Remove JFFS (version 1), as scheduled.

Unmaintained for years, few if any users.

Signed-off-by: Jeff Garzik <jeff@garzik.org>

10 files changed, 0 insertions, 6628 deletions

diff --git a/fs/Kconfig b/fs/Kconfig
index a722b5a3f75..3c4886b849f 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -1189,32 +1189,6 @@ config EFS_FS
 	  To compile the EFS file system support as a module, choose M here: the
 	  module will be called efs.
 
-config JFFS_FS
-	tristate "Journalling Flash File System (JFFS) support"
-	depends on MTD && BLOCK && BROKEN
-	help
-	  JFFS is the Journalling Flash File System developed by Axis
-	  Communications in Sweden, aimed at providing a crash/powerdown-safe
-	  file system for disk-less embedded devices. Further information is
-	  available at (<http://developer.axis.com/software/jffs/>).
-
-	  NOTE: This filesystem is deprecated and is scheduled for removal in
-	  2.6.21.  See Documentation/feature-removal-schedule.txt
-
-config JFFS_FS_VERBOSE
-	int "JFFS debugging verbosity (0 = quiet, 3 = noisy)"
-	depends on JFFS_FS
-	default "0"
-	help
-	  Determines the verbosity level of the JFFS debugging messages.
-
-config JFFS_PROC_FS
-	bool "JFFS stats available in /proc filesystem"
-	depends on JFFS_FS && PROC_FS
-	help
-	  Enabling this option will cause statistics from mounted JFFS file systems
-	  to be made available to the user in the /proc/fs/jffs/ directory.
-
 config JFFS2_FS
 	tristate "Journalling Flash File System v2 (JFFS2) support"
 	select CRC32
diff --git a/fs/Makefile b/fs/Makefile
index b9ffa63f77f..9edf4112bee 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -94,7 +94,6 @@ obj-$(CONFIG_HPFS_FS)		+= hpfs/
 obj-$(CONFIG_NTFS_FS)		+= ntfs/
 obj-$(CONFIG_UFS_FS)		+= ufs/
 obj-$(CONFIG_EFS_FS)		+= efs/
-obj-$(CONFIG_JFFS_FS)		+= jffs/
 obj-$(CONFIG_JFFS2_FS)		+= jffs2/
 obj-$(CONFIG_AFFS_FS)		+= affs/
 obj-$(CONFIG_ROMFS_FS)		+= romfs/
diff --git a/fs/jffs/Makefile b/fs/jffs/Makefile
deleted file mode 100644
index 9c1c0bb5969..00000000000
--- a/fs/jffs/Makefile
+++ /dev/null
@@ -1,11 +0,0 @@
-#
-# Makefile for the linux Journalling Flash FileSystem (JFFS) routines.
-#
-# $Id: Makefile,v 1.11 2001/09/25 20:59:41 dwmw2 Exp $
-#
-
-obj-$(CONFIG_JFFS_FS) += jffs.o
-
-jffs-y 				:= jffs_fm.o intrep.o inode-v23.o
-jffs-$(CONFIG_JFFS_PROC_FS)	+= jffs_proc.o
-jffs-objs			:= $(jffs-y)
diff --git a/fs/jffs/inode-v23.c b/fs/jffs/inode-v23.c
deleted file mode 100644
index 9602b925da0..00000000000
--- a/fs/jffs/inode-v23.c
+++ /dev/null
@@ -1,1847 +0,0 @@
-/*
- * JFFS -- Journalling Flash File System, Linux implementation.
- *
- * Copyright (C) 1999, 2000  Axis Communications AB.
- *
- * Created by Finn Hakansson <finn@axis.com>.
- *
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * $Id: inode-v23.c,v 1.70 2001/10/02 09:16:02 dwmw2 Exp $
- *
- * Ported to Linux 2.3.x and MTD:
- * Copyright (C) 2000  Alexander Larsson (alex@cendio.se), Cendio Systems AB
- *
- * Copyright 2000, 2001  Red Hat, Inc.
- */
-
-/* inode.c -- Contains the code that is called from the VFS.  */
-
-/* TODO-ALEX:
- * uid and gid are just 16 bit.
- * jffs_file_write reads from user-space pointers without xx_from_user
- * maybe other stuff do to.
- */
-
-#include <linux/time.h>
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/jffs.h>
-#include <linux/fs.h>
-#include <linux/smp_lock.h>
-#include <linux/ioctl.h>
-#include <linux/stat.h>
-#include <linux/blkdev.h>
-#include <linux/quotaops.h>
-#include <linux/highmem.h>
-#include <linux/vfs.h>
-#include <linux/mutex.h>
-#include <asm/byteorder.h>
-#include <asm/uaccess.h>
-
-#include "jffs_fm.h"
-#include "intrep.h"
-#ifdef CONFIG_JFFS_PROC_FS
-#include "jffs_proc.h"
-#endif
-
-static int jffs_remove(struct inode *dir, struct dentry *dentry, int type);
-
-static const struct super_operations jffs_ops;
-static const struct file_operations jffs_file_operations;
-static const struct inode_operations jffs_file_inode_operations;
-static const struct file_operations jffs_dir_operations;
-static const struct inode_operations jffs_dir_inode_operations;
-static const struct address_space_operations jffs_address_operations;
-
-struct kmem_cache     *node_cache = NULL;
-struct kmem_cache     *fm_cache = NULL;
-
-/* Called by the VFS at mount time to initialize the whole file system.  */
-static int jffs_fill_super(struct super_block *sb, void *data, int silent)
-{
-	struct inode *root_inode;
-	struct jffs_control *c;
-
-	sb->s_flags |= MS_NODIRATIME;
-
-	D1(printk(KERN_NOTICE "JFFS: Trying to mount device %s.\n",
-		  sb->s_id));
-
-	if (MAJOR(sb->s_dev) != MTD_BLOCK_MAJOR) {
-		printk(KERN_WARNING "JFFS: Trying to mount a "
-		       "non-mtd device.\n");
-		return -EINVAL;
-	}
-
-	sb->s_blocksize = PAGE_CACHE_SIZE;
-	sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
-	sb->s_fs_info = (void *) 0;
-	sb->s_maxbytes = 0xFFFFFFFF;
-
-	/* Build the file system.  */
-	if (jffs_build_fs(sb) < 0) {
-		goto jffs_sb_err1;
-	}
-
-	/*
-	 * set up enough so that we can read an inode
-	 */
-	sb->s_magic = JFFS_MAGIC_SB_BITMASK;
-	sb->s_op = &jffs_ops;
-
-	root_inode = iget(sb, JFFS_MIN_INO);
-	if (!root_inode)
-	        goto jffs_sb_err2;
-
-	/* Get the root directory of this file system.  */
-	if (!(sb->s_root = d_alloc_root(root_inode))) {
-		goto jffs_sb_err3;
-	}
-
-	c = (struct jffs_control *) sb->s_fs_info;
-
-#ifdef CONFIG_JFFS_PROC_FS
-	/* Set up the jffs proc file system.  */
-	if (jffs_register_jffs_proc_dir(MINOR(sb->s_dev), c) < 0) {
-		printk(KERN_WARNING "JFFS: Failed to initialize the JFFS "
-			"proc file system for device %s.\n",
-			sb->s_id);
-	}
-#endif
-
-	/* Set the Garbage Collection thresholds */
-
-	/* GC if free space goes below 5% of the total size */
-	c->gc_minfree_threshold = c->fmc->flash_size / 20;
-
-	if (c->gc_minfree_threshold < c->fmc->sector_size)
-		c->gc_minfree_threshold = c->fmc->sector_size;
-
-	/* GC if dirty space exceeds 33% of the total size. */
-	c->gc_maxdirty_threshold = c->fmc->flash_size / 3;
-
-	if (c->gc_maxdirty_threshold < c->fmc->sector_size)
-		c->gc_maxdirty_threshold = c->fmc->sector_size;
-
-
-	c->thread_pid = kernel_thread (jffs_garbage_collect_thread, 
-				        (void *) c, 
-				        CLONE_KERNEL);
-	D1(printk(KERN_NOTICE "JFFS: GC thread pid=%d.\n", (int) c->thread_pid));
-
-	D1(printk(KERN_NOTICE "JFFS: Successfully mounted device %s.\n",
-	       sb->s_id));
-	return 0;
-
-jffs_sb_err3:
-	iput(root_inode);
-jffs_sb_err2:
-	jffs_cleanup_control((struct jffs_control *)sb->s_fs_info);
-jffs_sb_err1:
-	printk(KERN_WARNING "JFFS: Failed to mount device %s.\n",
-	       sb->s_id);
-	return -EINVAL;
-}
-
-
-/* This function is called when the file system is umounted.  */
-static void
-jffs_put_super(struct super_block *sb)
-{
-	struct jffs_control *c = (struct jffs_control *) sb->s_fs_info;
-
-	D2(printk("jffs_put_super()\n"));
-
-#ifdef CONFIG_JFFS_PROC_FS
-	jffs_unregister_jffs_proc_dir(c);
-#endif
-
-	if (c->gc_task) {
-		D1(printk (KERN_NOTICE "jffs_put_super(): Telling gc thread to die.\n"));
-		send_sig(SIGKILL, c->gc_task, 1);
-	}
-	wait_for_completion(&c->gc_thread_comp);
-
-	D1(printk (KERN_NOTICE "jffs_put_super(): Successfully waited on thread.\n"));
-
-	jffs_cleanup_control((struct jffs_control *)sb->s_fs_info);
-	D1(printk(KERN_NOTICE "JFFS: Successfully unmounted device %s.\n",
-	       sb->s_id));
-}
-
-
-/* This function is called when user commands like chmod, chgrp and
-   chown are executed. System calls like trunc() results in a call
-   to this function.  */
-static int
-jffs_setattr(struct dentry *dentry, struct iattr *iattr)
-{
-	struct inode *inode = dentry->d_inode;
-	struct jffs_raw_inode raw_inode;
-	struct jffs_control *c;
-	struct jffs_fmcontrol *fmc;
-	struct jffs_file *f;
-	struct jffs_node *new_node;
-	int update_all;
-	int res = 0;
-	int recoverable = 0;
-
-	lock_kernel();
-
-	if ((res = inode_change_ok(inode, iattr))) 
-		goto out;
-
-	c = (struct jffs_control *)inode->i_sb->s_fs_info;
-	fmc = c->fmc;
-
-	D3(printk (KERN_NOTICE "notify_change(): down biglock\n"));
-	mutex_lock(&fmc->biglock);
-
-	f = jffs_find_file(c, inode->i_ino);
-
-	ASSERT(if (!f) {
-		printk("jffs_setattr(): Invalid inode number: %lu\n",
-		       inode->i_ino);
-		D3(printk (KERN_NOTICE "notify_change(): up biglock\n"));
-		mutex_unlock(&fmc->biglock);
-		res = -EINVAL;
-		goto out;
-	});
-
-	D1(printk("***jffs_setattr(): file: \"%s\", ino: %u\n",
-		  f->name, f->ino));
-
-	update_all = iattr->ia_valid & ATTR_FORCE;
-
-	if ( (update_all || iattr->ia_valid & ATTR_SIZE)
-	     && (iattr->ia_size + 128 < f->size) ) {
-		/* We're shrinking the file by more than 128 bytes.
-		   We'll be able to GC and recover this space, so
-		   allow it to go into the reserved space. */
-		recoverable = 1;
-        }
-
-	if (!(new_node = jffs_alloc_node())) {
-		D(printk("jffs_setattr(): Allocation failed!\n"));
-		D3(printk (KERN_NOTICE "notify_change(): up biglock\n"));
-		mutex_unlock(&fmc->biglock);
-		res = -ENOMEM;
-		goto out;
-	}
-
-	new_node->data_offset = 0;
-	new_node->removed_size = 0;
-	raw_inode.magic = JFFS_MAGIC_BITMASK;
-	raw_inode.ino = f->ino;
-	raw_inode.pino = f->pino;
-	raw_inode.mode = f->mode;
-	raw_inode.uid = f->uid;
-	raw_inode.gid = f->gid;
-	raw_inode.atime = f->atime;
-	raw_inode.mtime = f->mtime;
-	raw_inode.ctime = f->ctime;
-	raw_inode.dsize = 0;
-	raw_inode.offset = 0;
-	raw_inode.rsize = 0;
-	raw_inode.dsize = 0;
-	raw_inode.nsize = f->nsize;
-	raw_inode.nlink = f->nlink;
-	raw_inode.spare = 0;
-	raw_inode.rename = 0;
-	raw_inode.deleted = 0;
-
-	if (update_all || iattr->ia_valid & ATTR_MODE) {
-		raw_inode.mode = iattr->ia_mode;
-		inode->i_mode = iattr->ia_mode;
-	}
-	if (update_all || iattr->ia_valid & ATTR_UID) {
-		raw_inode.uid = iattr->ia_uid;
-		inode->i_uid = iattr->ia_uid;
-	}
-	if (update_all || iattr->ia_valid & ATTR_GID) {
-		raw_inode.gid = iattr->ia_gid;
-		inode->i_gid = iattr->ia_gid;
-	}
-	if (update_all || iattr->ia_valid & ATTR_SIZE) {
-		int len;
-		D1(printk("jffs_notify_change(): Changing size "
-			  "to %lu bytes!\n", (long)iattr->ia_size));
-		raw_inode.offset = iattr->ia_size;
-
-		/* Calculate how many bytes need to be removed from
-		   the end.  */
-		if (f->size < iattr->ia_size) {
-			len = 0;
-		}
-		else {
-			len = f->size - iattr->ia_size;
-		}
-
-		raw_inode.rsize = len;
-
-		/* The updated node will be a removal node, with
-		   base at the new size and size of the nbr of bytes
-		   to be removed.  */
-		new_node->data_offset = iattr->ia_size;
-		new_node->removed_size = len;
-		inode->i_size = iattr->ia_size;
-		inode->i_blocks = (inode->i_size + 511) >> 9;
-
-		if (len) {
-			invalidate_mapping_pages(inode->i_mapping, 0, -1);
-		}
-		inode->i_ctime = CURRENT_TIME_SEC;
-		inode->i_mtime = inode->i_ctime;
-	}
-	if (update_all || iattr->ia_valid & ATTR_ATIME) {
-		raw_inode.atime = iattr->ia_atime.tv_sec;
-		inode->i_atime = iattr->ia_atime;
-	}
-	if (update_all || iattr->ia_valid & ATTR_MTIME) {
-		raw_inode.mtime = iattr->ia_mtime.tv_sec;
-		inode->i_mtime = iattr->ia_mtime;
-	}
-	if (update_all || iattr->ia_valid & ATTR_CTIME) {
-		raw_inode.ctime = iattr->ia_ctime.tv_sec;
-		inode->i_ctime = iattr->ia_ctime;
-	}
-
-	/* Write this node to the flash.  */
-	if ((res = jffs_write_node(c, new_node, &raw_inode, f->name, NULL, recoverable, f)) < 0) {
-		D(printk("jffs_notify_change(): The write failed!\n"));
-		jffs_free_node(new_node);
-		D3(printk (KERN_NOTICE "n_c(): up biglock\n"));
-		mutex_unlock(&c->fmc->biglock);
-		goto out;
-	}
-
-	jffs_insert_node(c, f, &raw_inode, NULL, new_node);
-
-	mark_inode_dirty(inode);
-	D3(printk (KERN_NOTICE "n_c(): up biglock\n"));
-	mutex_unlock(&c->fmc->biglock);
-out:
-	unlock_kernel();
-	return res;
-} /* jffs_notify_change()  */
-
-
-static struct inode *
-jffs_new_inode(const struct inode * dir, struct jffs_raw_inode *raw_inode,
-	       int * err)
-{
-	struct super_block * sb;
-	struct inode * inode;
-	struct jffs_control *c;
-	struct jffs_file *f;
-
-	sb = dir->i_sb;
-	inode = new_inode(sb);
-	if (!inode) {
-		*err = -ENOMEM;
-		return NULL;
-	}
-
-	c = (struct jffs_control *)sb->s_fs_info;
-
-	inode->i_ino = raw_inode->ino;
-	inode->i_mode = raw_inode->mode;
-	inode->i_nlink = raw_inode->nlink;
-	inode->i_uid = raw_inode->uid;
-	inode->i_gid = raw_inode->gid;
-	inode->i_size = raw_inode->dsize;
-	inode->i_atime.tv_sec = raw_inode->atime;
-	inode->i_mtime.tv_sec = raw_inode->mtime;
-	inode->i_ctime.tv_sec = raw_inode->ctime;
-	inode->i_ctime.tv_nsec = 0;
-	inode->i_mtime.tv_nsec = 0;
-	inode->i_atime.tv_nsec = 0;
-	inode->i_blocks = (inode->i_size + 511) >> 9;
-
-	f = jffs_find_file(c, raw_inode->ino);
-
-	inode->i_private = (void *)f;
-	insert_inode_hash(inode);
-
-	return inode;
-}
-
-/* Get statistics of the file system.  */
-static int
-jffs_statfs(struct dentry *dentry, struct kstatfs *buf)
-{
-	struct jffs_control *c = (struct jffs_control *) dentry->d_sb->s_fs_info;
-	struct jffs_fmcontrol *fmc;
-
-	lock_kernel();
-
-	fmc = c->fmc;
-
-	D2(printk("jffs_statfs()\n"));
-
-	buf->f_type = JFFS_MAGIC_SB_BITMASK;
-	buf->f_bsize = PAGE_CACHE_SIZE;
-	buf->f_blocks = (fmc->flash_size / PAGE_CACHE_SIZE)
-		       - (fmc->min_free_size / PAGE_CACHE_SIZE);
-	buf->f_bfree = (jffs_free_size1(fmc) + jffs_free_size2(fmc) +
-		       fmc->dirty_size - fmc->min_free_size)
-			       >> PAGE_CACHE_SHIFT;
-	buf->f_bavail = buf->f_bfree;
-
-	/* Find out how many files there are in the filesystem.  */
-	buf->f_files = jffs_foreach_file(c, jffs_file_count);
-	buf->f_ffree = buf->f_bfree;
-	/* buf->f_fsid = 0; */
-	buf->f_namelen = JFFS_MAX_NAME_LEN;
-
-	unlock_kernel();
-
-	return 0;
-}
-
-
-/* Rename a file.  */
-static int
-jffs_rename(struct inode *old_dir, struct dentry *old_dentry,
-	    struct inode *new_dir, struct dentry *new_dentry)
-{
-	struct jffs_raw_inode raw_inode;
-	struct jffs_control *c;
-	struct jffs_file *old_dir_f;
-	struct jffs_file *new_dir_f;
-	struct jffs_file *del_f;
-	struct jffs_file *f;
-	struct jffs_node *node;
-	struct inode *inode;
-	int result = 0;
-	__u32 rename_data = 0;
-
-	D2(printk("***jffs_rename()\n"));
-
-	D(printk("jffs_rename(): old_dir: 0x%p, old name: 0x%p, "
-		 "new_dir: 0x%p, new name: 0x%p\n",
-		 old_dir, old_dentry->d_name.name,
-		 new_dir, new_dentry->d_name.name));
-
-	lock_kernel();
-	c = (struct jffs_control *)old_dir->i_sb->s_fs_info;
-	ASSERT(if (!c) {
-		printk(KERN_ERR "jffs_rename(): The old_dir inode "
-		       "didn't have a reference to a jffs_file struct\n");
-		unlock_kernel();
-		return -EIO;
-	});
-
-	result = -ENOTDIR;
-	if (!(old_dir_f = old_dir->i_private)) {
-		D(printk("jffs_rename(): Old dir invalid.\n"));
-		goto jffs_rename_end;
-	}
-
-	/* Try to find the file to move.  */
-	result = -ENOENT;
-	if (!(f = jffs_find_child(old_dir_f, old_dentry->d_name.name,
-				  old_dentry->d_name.len))) {
-		goto jffs_rename_end;
-	}
-
-	/* Find the new directory.  */
-	result = -ENOTDIR;
-	if (!(new_dir_f = new_dir->i_private)) {
-		D(printk("jffs_rename(): New dir invalid.\n"));
-		goto jffs_rename_end;
-	}
-	D3(printk (KERN_NOTICE "rename(): down biglock\n"));
-	mutex_lock(&c->fmc->biglock);
-	/* Create a node and initialize as much as needed.  */
-	result = -ENOMEM;
-	if (!(node = jffs_alloc_node())) {
-		D(printk("jffs_rename(): Allocation failed: node == 0\n"));
-		goto jffs_rename_end;
-	}
-	node->data_offset = 0;
-	node->removed_size = 0;
-
-	/* Initialize the raw inode.  */
-	raw_inode.magic = JFFS_MAGIC_BITMASK;
-	raw_inode.ino = f->ino;
-	raw_inode.pino = new_dir_f->ino;
-/*  	raw_inode.version = f->highest_version + 1; */
-	raw_inode.mode = f->mode;
-	raw_inode.uid = current->fsuid;
-	raw_inode.gid = current->fsgid;
-#if 0
-	raw_inode.uid = f->uid;
-	raw_inode.gid = f->gid;
-#endif
-	raw_inode.atime = get_seconds();
-	raw_inode.mtime = raw_inode.atime;
-	raw_inode.ctime = f->ctime;
-	raw_inode.offset = 0;
-	raw_inode.dsize = 0;
-	raw_inode.rsize = 0;
-	raw_inode.nsize = new_dentry->d_name.len;
-	raw_inode.nlink = f->nlink;
-	raw_inode.spare = 0;
-	raw_inode.rename = 0;
-	raw_inode.deleted = 0;
-
-	/* See if there already exists a file with the same name as
-	   new_name.  */
-	if ((del_f = jffs_find_child(new_dir_f, new_dentry->d_name.name,
-				     new_dentry->d_name.len))) {
-		raw_inode.rename = 1;
-		raw_inode.dsize = sizeof(__u32);
-		rename_data = del_f->ino;
-	}
-
-	/* Write the new node to the flash memory.  */
-	if ((result = jffs_write_node(c, node, &raw_inode,
-				      new_dentry->d_name.name,
-				      (unsigned char*)&rename_data, 0, f)) < 0) {
-		D(printk("jffs_rename(): Failed to write node to flash.\n"));
-		jffs_free_node(node);
-		goto jffs_rename_end;
-	}
-	raw_inode.dsize = 0;
-
-	if (raw_inode.rename) {
-		/* The file with the same name must be deleted.  */
-		//FIXME deadlock	        down(&c->fmc->gclock);
-		if ((result = jffs_remove(new_dir, new_dentry,
-					  del_f->mode)) < 0) {
-			/* This is really bad.  */
-			printk(KERN_ERR "JFFS: An error occurred in "
-			       "rename().\n");
-		}
-		//		up(&c->fmc->gclock);
-	}
-
-	if (old_dir_f != new_dir_f) {
-		/* Remove the file from its old position in the
-		   filesystem tree.  */
-		jffs_unlink_file_from_tree(f);
-	}
-
-	/* Insert the new node into the file system.  */
-	if ((result = jffs_insert_node(c, f, &raw_inode,
-				       new_dentry->d_name.name, node)) < 0) {
-		D(printk(KERN_ERR "jffs_rename(): jffs_insert_node() "
-			 "failed!\n"));
-	}
-
-	if (old_dir_f != new_dir_f) {
-		/* Insert the file to its new position in the
-		   file system.  */
-		jffs_insert_file_into_tree(f);
-	}
-
-	/* This is a kind of update of the inode we're about to make
-	   here.  This is what they do in ext2fs.  Kind of.  */
-	if ((inode = iget(new_dir->i_sb, f->ino))) {
-		inode->i_ctime = CURRENT_TIME_SEC;
-		mark_inode_dirty(inode);
-		iput(inode);
-	}
-
-jffs_rename_end:
-	D3(printk (KERN_NOTICE "rename(): up biglock\n"));
-	mutex_unlock(&c->fmc->biglock);
-	unlock_kernel();
-	return result;
-} /* jffs_rename()  */
-
-
-/* Read the contents of a directory.  Used by programs like `ls'
-   for instance.  */
-static int
-jffs_readdir(struct file *filp, void *dirent, filldir_t filldir)
-{
-	struct jffs_file *f;
-	struct dentry *dentry = filp->f_path.dentry;
-	struct inode *inode = dentry->d_inode;
-	struct jffs_control *c = (struct jffs_control *)inode->i_sb->s_fs_info;
-	int j;
-	int ddino;
-	lock_kernel();
-	D3(printk (KERN_NOTICE "readdir(): down biglock\n"));
-	mutex_lock(&c->fmc->biglock);
-
-	D2(printk("jffs_readdir(): inode: 0x%p, filp: 0x%p\n", inode, filp));
-	if (filp->f_pos == 0) {
-		D3(printk("jffs_readdir(): \".\" %lu\n", inode->i_ino));
-		if (filldir(dirent, ".", 1, filp->f_pos, inode->i_ino, DT_DIR) < 0) {
-			D3(printk (KERN_NOTICE "readdir(): up biglock\n"));
-			mutex_unlock(&c->fmc->biglock);
-			unlock_kernel();
-			return 0;
-		}
-		filp->f_pos = 1;
-	}
-	if (filp->f_pos == 1) {
-		if (inode->i_ino == JFFS_MIN_INO) {
-			ddino = JFFS_MIN_INO;
-		}
-		else {
-			ddino = ((struct jffs_file *)
-				 inode->i_private)->pino;
-		}
-		D3(printk("jffs_readdir(): \"..\" %u\n", ddino));
-		if (filldir(dirent, "..", 2, filp->f_pos, ddino, DT_DIR) < 0) {
-			D3(printk (KERN_NOTICE "readdir(): up biglock\n"));
-			mutex_unlock(&c->fmc->biglock);
-			unlock_kernel();
-			return 0;
-		}
-		filp->f_pos++;
-	}
-	f = ((struct jffs_file *)inode->i_private)->children;
-
-	j = 2;
-	while(f && (f->deleted || j++ < filp->f_pos )) {
-		f = f->sibling_next;
-	}
-
-	while (f) {
-		D3(printk("jffs_readdir(): \"%s\" ino: %u\n",
-			  (f->name ? f->name : ""), f->ino));
-		if (filldir(dirent, f->name, f->nsize,
-			    filp->f_pos , f->ino, DT_UNKNOWN) < 0) {
-		        D3(printk (KERN_NOTICE "readdir(): up biglock\n"));
-			mutex_unlock(&c->fmc->biglock);
-			unlock_kernel();
-			return 0;
-		}
-		filp->f_pos++;
-		do {
-			f = f->sibling_next;
-		} while(f && f->deleted);
-	}
-	D3(printk (KERN_NOTICE "readdir(): up biglock\n"));
-	mutex_unlock(&c->fmc->biglock);
-	unlock_kernel();
-	return filp->f_pos;
-} /* jffs_readdir()  */
-
-
-/* Find a file in a directory. If the file exists, return its
-   corresponding dentry.  */
-static struct dentry *
-jffs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
-{
-	struct jffs_file *d;
-	struct jffs_file *f;
-	struct jffs_control *c = (struct jffs_control *)dir->i_sb->s_fs_info;
-	int len;
-	int r = 0;
-	const char *name;
-	struct inode *inode = NULL;
-
-	len = dentry->d_name.len;
-	name = dentry->d_name.name;
-
-	lock_kernel();
-
-	D3({
-		char *s = kmalloc(len + 1, GFP_KERNEL);
-		memcpy(s, name, len);
-		s[len] = '\0';
-		printk("jffs_lookup(): dir: 0x%p, name: \"%s\"\n", dir, s);
-		kfree(s);
-	});
-
-	D3(printk (KERN_NOTICE "lookup(): down biglock\n"));
-	mutex_lock(&c->fmc->biglock);
-
-	r = -ENAMETOOLONG;
-	if (len > JFFS_MAX_NAME_LEN) {
-		goto jffs_lookup_end;
-	}
-
-	r = -EACCES;
-	if (!(d = (struct jffs_file *)dir->i_private)) {
-		D(printk("jffs_lookup(): No such inode! (%lu)\n",
-			 dir->i_ino));
-		goto jffs_lookup_end;
-	}
-
-	/* Get the corresponding inode to the file.  */
-
-	/* iget calls jffs_read_inode, so we need to drop the biglock
-           before calling iget.  Unfortunately, the GC has a tendency
-           to sneak in here, because iget sometimes calls schedule ().
-	*/
-
-	if ((len == 1) && (name[0] == '.')) {
-		D3(printk (KERN_NOTICE "lookup(): up biglock\n"));
-		mutex_unlock(&c->fmc->biglock);
-		if (!(inode = iget(dir->i_sb, d->ino))) {
-			D(printk("jffs_lookup(): . iget() ==> NULL\n"));
-			goto jffs_lookup_end_no_biglock;
-		}
-		D3(printk (KERN_NOTICE "lookup(): down biglock\n"));
-		mutex_lock(&c->fmc->biglock);
-	} else if ((len == 2) && (name[0] == '.') && (name[1] == '.')) {
-	        D3(printk (KERN_NOTICE "lookup(): up biglock\n"));
-		mutex_unlock(&c->fmc->biglock);
- 		if (!(inode = iget(dir->i_sb, d->pino))) {
-			D(printk("jffs_lookup(): .. iget() ==> NULL\n"));
-			goto jffs_lookup_end_no_biglock;
-		}
-		D3(printk (KERN_NOTICE "lookup(): down biglock\n"));
-		mutex_lock(&c->fmc->biglock);
-	} else if ((f = jffs_find_child(d, name, len))) {
-	        D3(printk (KERN_NOTICE "lookup(): up biglock\n"));
-		mutex_unlock(&c->fmc->biglock);
-		if (!(inode = iget(dir->i_sb, f->ino))) {
-			D(printk("jffs_lookup(): iget() ==> NULL\n"));
-			goto jffs_lookup_end_no_biglock;
-		}
-		D3(printk (KERN_NOTICE "lookup(): down biglock\n"));
-		mutex_lock(&c->fmc->biglock);
-	} else {
-		D3(printk("jffs_lookup(): Couldn't find the file. "
-			  "f = 0x%p, name = \"%s\", d = 0x%p, d->ino = %u\n",
-			  f, name, d, d->ino));
-		inode = NULL;
-	}
-
-	d_add(dentry, inode);
-	D3(printk (KERN_NOTICE "lookup(): up biglock\n"));
-	mutex_unlock(&c->fmc->biglock);
-	unlock_kernel();
-	return NULL;
-
-jffs_lookup_end:
-	D3(printk (KERN_NOTICE "lookup(): up biglock\n"));
-	mutex_unlock(&c->fmc->biglock);
-
-jffs_lookup_end_no_biglock:
-	unlock_kernel();
-	return ERR_PTR(r);
-} /* jffs_lookup()  */
-
-
-/* Try to read a page of data from a file.  */
-static int
-jffs_do_readpage_nolock(struct file *file, struct page *page)
-{
-	void *buf;
-	unsigned long read_len;
-	int result;
-	struct inode *inode = (struct inode*)page->mapping->host;
-	struct jffs_file *f = (struct jffs_file *)inode->i_private;
-	struct jffs_control *c = (struct jffs_control *)inode->i_sb->s_fs_info;
-	int r;
-	loff_t offset;
-
-	D2(printk("***jffs_readpage(): file = \"%s\", page->index = %lu\n",
-		  (f->name ? f->name : ""), (long)page->index));
-
-	get_page(page);
-	/* Don't SetPageLocked(page), should be locked already */
-	ClearPageUptodate(page);
-	ClearPageError(page);
-
-	D3(printk (KERN_NOTICE "readpage(): down biglock\n"));
-	mutex_lock(&c->fmc->biglock);
-
-	read_len = 0;
-	result = 0;
-	offset = page_offset(page);
-
-	kmap(page);
-	buf = page_address(page);
-	if (offset < inode->i_size) {
-		read_len = min_t(long, inode->i_size - offset, PAGE_SIZE);
-		r = jffs_read_data(f, buf, offset, read_len);
-		if (r != read_len) {
-			result = -EIO;
-			D(
-			        printk("***jffs_readpage(): Read error! "
-				       "Wanted to read %lu bytes but only "
-				       "read %d bytes.\n", read_len, r);
-			  );
-		}
-
-	}
-
-	/* This handles the case of partial or no read in above */
-	if(read_len < PAGE_SIZE)
-	        memset(buf + read_len, 0, PAGE_SIZE - read_len);
-	flush_dcache_page(page);
-	kunmap(page);
-
-	D3(printk (KERN_NOTICE "readpage(): up biglock\n"));
-	mutex_unlock(&c->fmc->biglock);
-
-	if (result) {
-	        SetPageError(page);
-	}else {
-	        SetPageUptodate(page);	        
-	}
-
-	page_cache_release(page);
-
-	D3(printk("jffs_readpage(): Leaving...\n"));
-
-	return result;
-} /* jffs_do_readpage_nolock()  */
-
-static int jffs_readpage(struct file *file, struct page *page)
-{
-	int ret = jffs_do_readpage_nolock(file, page);
-	unlock_page(page);
-	return ret;
-}
-
-/* Create a new directory.  */
-static int
-jffs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
-{
-	struct jffs_raw_inode raw_inode;
-	struct jffs_control *c;
-	struct jffs_node *node;
-	struct jffs_file *dir_f;
-	struct inode *inode;
-	int dir_mode;
-	int result = 0;
-	int err;
-
-	D1({
-	        int len = dentry->d_name.len;
-		char *_name = kmalloc(len + 1, GFP_KERNEL);
-		memcpy(_name, dentry->d_name.name, len);
-		_name[len] = '\0';
-		printk("***jffs_mkdir(): dir = 0x%p, name = \"%s\", "
-		       "len = %d, mode = 0x%08x\n", dir, _name, len, mode);
-		kfree(_name);
-	});
-
-	lock_kernel();
-	dir_f = dir->i_private;
-
-	ASSERT(if (!dir_f) {
-		printk(KERN_ERR "jffs_mkdir(): No reference to a "
-		       "jffs_file struct in inode.\n");
-		unlock_kernel();
-		return -EIO;
-	});
-
-	c = dir_f->c;
-	D3(printk (KERN_NOTICE "mkdir(): down biglock\n"));
-	mutex_lock(&c->fmc->biglock);
-
-	dir_mode = S_IFDIR | (mode & (S_IRWXUGO|S_ISVTX)
-			      & ~current->fs->umask);
-	if (dir->i_mode & S_ISGID) {
-		dir_mode |= S_ISGID;
-	}
-
-	/* Create a node and initialize it as much as needed.  */
-	if (!(node = jffs_alloc_node())) {
-		D(printk("jffs_mkdir(): Allocation failed: node == 0\n"));
-		result = -ENOMEM;
-		goto jffs_mkdir_end;
-	}
-	node->data_offset = 0;
-	node->removed_size = 0;
-
-	/* Initialize the raw inode.  */
-	raw_inode.magic = JFFS_MAGIC_BITMASK;
-	raw_inode.ino = c->next_ino++;
-	raw_inode.pino = dir_f->ino;
-	raw_inode.version = 1;
-	raw_inode.mode = dir_mode;
-	raw_inode.uid = current->fsuid;
-	raw_inode.gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid;
-	/*	raw_inode.gid = current->fsgid; */
-	raw_inode.atime = get_seconds();
-	raw_inode.mtime = raw_inode.atime;
-	raw_inode.ctime = raw_inode.atime;
-	raw_inode.offset = 0;
-	raw_inode.dsize = 0;
-	raw_inode.rsize = 0;
-	raw_inode.nsize = dentry->d_name.len;
-	raw_inode.nlink = 1;
-	raw_inode.spare = 0;
-	raw_inode.rename = 0;
-	raw_inode.deleted = 0;
-
-	/* Write the new node to the flash.  */
-	if ((result = jffs_write_node(c, node, &raw_inode,
-				     dentry->d_name.name, NULL, 0, NULL)) < 0) {
-		D(printk("jffs_mkdir(): jffs_write_node() failed.\n"));
-		jffs_free_node(node);
-		goto jffs_mkdir_end;
-	}
-
-	/* Insert the new node into the file system.  */
-	if ((result = jffs_insert_node(c, NULL, &raw_inode, dentry->d_name.name,
-				       node)) < 0) {
-		goto jffs_mkdir_end;
-	}
-
-	inode = jffs_new_inode(dir, &raw_inode, &err);
-	if (inode == NULL) {
-		result = err;
-		goto jffs_mkdir_end;
-	}
-
-	inode->i_op = &jffs_dir_inode_operations;
-	inode->i_fop = &jffs_dir_operations;
-
-	mark_inode_dirty(dir);
-	d_instantiate(dentry, inode);
-
-	result = 0;
-jffs_mkdir_end:
-	D3(printk (KERN_NOTICE "mkdir(): up biglock\n"));
-	mutex_unlock(&c->fmc->biglock);
-	unlock_kernel();
-	return result;
-} /* jffs_mkdir()  */
-
-
-/* Remove a directory.  */
-static int
-jffs_rmdir(struct inode *dir, struct dentry *dentry)
-{
-	struct jffs_control *c = (struct jffs_control *)dir->i_sb->s_fs_info;
-	int ret;
-	D3(printk("***jffs_rmdir()\n"));
-	D3(printk (KERN_NOTICE "rmdir(): down biglock\n"));
-	lock_kernel();
-	mutex_lock(&c->fmc->biglock);
-	ret = jffs_remove(dir, dentry, S_IFDIR);
-	D3(printk (KERN_NOTICE "rmdir(): up biglock\n"));
-	mutex_unlock(&c->fmc->biglock);
-	unlock_kernel();
-	return ret;
-}
-
-
-/* Remove any kind of file except for directories.  */
-static int
-jffs_unlink(struct inode *dir, struct dentry *dentry)
-{
-	struct jffs_control *c = (struct jffs_control *)dir->i_sb->s_fs_info;
-	int ret; 
-
-	lock_kernel();
-	D3(printk("***jffs_unlink()\n"));
-	D3(printk (KERN_NOTICE "unlink(): down biglock\n"));
-	mutex_lock(&c->fmc->biglock);
-	ret = jffs_remove(dir, dentry, 0);
-	D3(printk (KERN_NOTICE "unlink(): up biglock\n"));
-	mutex_unlock(&c->fmc->biglock);
-	unlock_kernel();
-	return ret;
-}
-
-
-/* Remove a JFFS entry, i.e. plain files, directories, etc.  Here we
-   shouldn't test for free space on the device.  */
-static int
-jffs_remove(struct inode *dir, struct dentry *dentry, int type)
-{
-	struct jffs_raw_inode raw_inode;
-	struct jffs_control *c;
-	struct jffs_file *dir_f; /* The file-to-remove's parent.  */
-	struct jffs_file *del_f; /* The file to remove.  */
-	struct jffs_node *del_node;
-	struct inode *inode = NULL;
-	int result = 0;
-
-	D1({
-		int len = dentry->d_name.len;
-		const char *name = dentry->d_name.name;
-		char *_name = kmalloc(len + 1, GFP_KERNEL);
-		memcpy(_name, name, len);
-		_name[len] = '\0';
-		printk("***jffs_remove(): file = \"%s\", ino = %ld\n", _name, dentry->d_inode->i_ino);
-		kfree(_name);
-	});
-
-	dir_f = dir->i_private;
-	c = dir_f->c;
-
-	result = -ENOENT;
-	if (!(del_f = jffs_find_child(dir_f, dentry->d_name.name,
-				      dentry->d_name.len))) {
-		D(printk("jffs_remove(): jffs_find_child() failed.\n"));
-		goto jffs_remove_end;
-	}
-
-	if (S_ISDIR(type)) {
-		struct jffs_file *child = del_f->children;
-		while(child) {
-			if( !child->deleted ) {
-				result = -ENOTEMPTY;
-				goto jffs_remove_end;
-			}
-			child = child->sibling_next;
-		}
-	}            
-	else if (S_ISDIR(del_f->mode)) {
-		D(printk("jffs_remove(): node is a directory "
-			 "but it shouldn't be.\n"));
-		result = -EPERM;
-		goto jffs_remove_end;
-	}
-
-	inode = dentry->d_inode;
-
-	result = -EIO;
-	if (del_f->ino != inode->i_ino)
-		goto jffs_remove_end;
-
-	if (!inode->i_nlink) {
-		printk("Deleting nonexistent file inode: %lu, nlink: %d\n",
-		       inode->i_ino, inode->i_nlink);
-		inode->i_nlink=1;
-	}
-
-	/* Create a node for the deletion.  */
-	result = -ENOMEM;
-	if (!(del_node = jffs_alloc_node())) {
-		D(printk("jffs_remove(): Allocation failed!\n"));
-		goto jffs_remove_end;
-	}
-	del_node->data_offset = 0;
-	del_node->removed_size = 0;
-
-	/* Initialize the raw inode.  */
-	raw_inode.magic = JFFS_MAGIC_BITMASK;
-	raw_inode.ino = del_f->ino;
-	raw_inode.pino = del_f->pino;
-/*  	raw_inode.version = del_f->highest_version + 1; */
-	raw_inode.mode = del_f->mode;
-	raw_inode.uid = current->fsuid;
-	raw_inode.gid = current->fsgid;
-	raw_inode.atime = get_seconds();
-	raw_inode.mtime = del_f->mtime;
-	raw_inode.ctime = raw_inode.atime;
-	raw_inode.offset = 0;
-	raw_inode.dsize = 0;
-	raw_inode.rsize = 0;
-	raw_inode.nsize = 0;
-	raw_inode.nlink = del_f->nlink;
-	raw_inode.spare = 0;
-	raw_inode.rename = 0;
-	raw_inode.deleted = 1;
-
-	/* Write the new node to the flash memory.  */
-	if (jffs_write_node(c, del_node, &raw_inode, NULL, NULL, 1, del_f) < 0) {
-		jffs_free_node(del_node);
-		result = -EIO;
-		goto jffs_remove_end;
-	}
-
-	/* Update the file.  This operation will make the file disappear
-	   from the in-memory file system structures.  */
-	jffs_insert_node(c, del_f, &raw_inode, NULL, del_node);
-
-	dir->i_ctime = dir->i_mtime = CURRENT_TIME_SEC;
-	mark_inode_dirty(dir);
-	inode->i_ctime = dir->i_ctime;
-	inode_dec_link_count(inode);
-
-	d_delete(dentry);	/* This also frees the inode */
-
-	result = 0;
-jffs_remove_end:
-	return result;
-} /* jffs_remove()  */
-
-
-static int
-jffs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev)
-{
-	struct jffs_raw_inode raw_inode;
-	struct jffs_file *dir_f;
-	struct jffs_node *node = NULL;
-	struct jffs_control *c;
-	struct inode *inode;
-	int result = 0;
-	u16 data = old_encode_dev(rdev);
-	int err;
-
-	D1(printk("***jffs_mknod()\n"));
-
-	if (!old_valid_dev(rdev))
-		return -EINVAL;
-	lock_kernel();
-	dir_f = dir->i_private;
-	c = dir_f->c;
-
-	D3(printk (KERN_NOTICE "mknod(): down biglock\n"));
-	mutex_lock(&c->fmc->biglock);
-
-	/* Create and initialize a new node.  */
-	if (!(node = jffs_alloc_node())) {
-		D(printk("jffs_mknod(): Allocation failed!\n"));
-		result = -ENOMEM;
-		goto jffs_mknod_err;
-	}
-	node->data_offset = 0;
-	node->removed_size = 0;
-
-	/* Initialize the raw inode.  */
-	raw_inode.magic = JFFS_MAGIC_BITMASK;
-	raw_inode.ino = c->next_ino++;
-	raw_inode.pino = dir_f->ino;
-	raw_inode.version = 1;
-	raw_inode.mode = mode;
-	raw_inode.uid = current->fsuid;
-	raw_inode.gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid;
-	/*	raw_inode.gid = current->fsgid; */
-	raw_inode.atime = get_seconds();
-	raw_inode.mtime = raw_inode.atime;
-	raw_inode.ctime = raw_inode.atime;
-	raw_inode.offset = 0;
-	raw_inode.dsize = 2;
-	raw_inode.rsize = 0;
-	raw_inode.nsize = dentry->d_name.len;
-	raw_inode.nlink = 1;
-	raw_inode.spare = 0;
-	raw_inode.rename = 0;
-	raw_inode.deleted = 0;
-
-	/* Write the new node to the flash.  */
-	if ((err = jffs_write_node(c, node, &raw_inode, dentry->d_name.name,
-				   (unsigned char *)&data, 0, NULL)) < 0) {
-		D(printk("jffs_mknod(): jffs_write_node() failed.\n"));
-		result = err;
-		goto jffs_mknod_err;
-	}
-
-	/* Insert the new node into the file system.  */
-	if ((err = jffs_insert_node(c, NULL, &raw_inode, dentry->d_name.name,
-				    node)) < 0) {
-		result = err;
-		goto jffs_mknod_end;
-	}
-
-	inode = jffs_new_inode(dir, &raw_inode, &err);
-	if (inode == NULL) {
-		result = err;
-		goto jffs_mknod_end;
-	}
-
-	init_special_inode(inode, mode, rdev);
-
-	d_instantiate(dentry, inode);
-
-	goto jffs_mknod_end;
-
-jffs_mknod_err:
-	if (node) {
-		jffs_free_node(node);
-	}
-
-jffs_mknod_end:
-	D3(printk (KERN_NOTICE "mknod(): up biglock\n"));
-	mutex_unlock(&c->fmc->biglock);
-	unlock_kernel();
-	return result;
-} /* jffs_mknod()  */
-
-
-static int
-jffs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
-{
-	struct jffs_raw_inode raw_inode;
-	struct jffs_control *c;
-	struct jffs_file *dir_f;
-	struct jffs_node *node;
-	struct inode *inode;
-
-	int symname_len = strlen(symname);
-	int err;
-
-	lock_kernel();
-	D1({
-		int len = dentry->d_name.len; 
-		char *_name = kmalloc(len + 1, GFP_KERNEL);
-		char *_symname = kmalloc(symname_len + 1, GFP_KERNEL);
-		memcpy(_name, dentry->d_name.name, len);
-		_name[len] = '\0';
-		memcpy(_symname, symname, symname_len);
-		_symname[symname_len] = '\0';
-		printk("***jffs_symlink(): dir = 0x%p, "
-		       "dentry->dname.name = \"%s\", "
-		       "symname = \"%s\"\n", dir, _name, _symname);
-		kfree(_name);
-		kfree(_symname);
-	});
-
-	dir_f = dir->i_private;
-	ASSERT(if (!dir_f) {
-		printk(KERN_ERR "jffs_symlink(): No reference to a "
-		       "jffs_file struct in inode.\n");
-		unlock_kernel();
-		return -EIO;
-	});
-
-	c = dir_f->c;
-
-	/* Create a node and initialize it as much as needed.  */
-	if (!(node = jffs_alloc_node())) {
-		D(printk("jffs_symlink(): Allocation failed: node = NULL\n"));
-		unlock_kernel();
-		return -ENOMEM;
-	}
-	D3(printk (KERN_NOTICE "symlink(): down biglock\n"));
-	mutex_lock(&c->fmc->biglock);
-
-	node->data_offset = 0;
-	node->removed_size = 0;
-
-	/* Initialize the raw inode.  */
-	raw_inode.magic = JFFS_MAGIC_BITMASK;
-	raw_inode.ino = c->next_ino++;
-	raw_inode.pino = dir_f->ino;
-	raw_inode.version = 1;
-	raw_inode.mode = S_IFLNK | S_IRWXUGO;
-	raw_inode.uid = current->fsuid;
-	raw_inode.gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid;
-	raw_inode.atime = get_seconds();
-	raw_inode.mtime = raw_inode.atime;
-	raw_inode.ctime = raw_inode.atime;
-	raw_inode.offset = 0;
-	raw_inode.dsize = symname_len;
-	raw_inode.rsize = 0;
-	raw_inode.nsize = dentry->d_name.len;
-	raw_inode.nlink = 1;
-	raw_inode.spare = 0;
-	raw_inode.rename = 0;
-	raw_inode.deleted = 0;
-
-	/* Write the new node to the flash.  */
-	if ((err = jffs_write_node(c, node, &raw_inode, dentry->d_name.name,
-				   (const unsigned char *)symname, 0, NULL)) < 0) {
-		D(printk("jffs_symlink(): jffs_write_node() failed.\n"));
-		jffs_free_node(node);
-		goto jffs_symlink_end;
-	}
-
-	/* Insert the new node into the file system.  */
-	if ((err = jffs_insert_node(c, NULL, &raw_inode, dentry->d_name.name,
-				    node)) < 0) {
-		goto jffs_symlink_end;
-	}
-
-	inode = jffs_new_inode(dir, &raw_inode, &err);
-	if (inode == NULL) {
-		goto jffs_symlink_end;
-	}
-	err = 0;
-	inode->i_op = &page_symlink_inode_operations;
-	inode->i_mapping->a_ops = &jffs_address_operations;
-
-	d_instantiate(dentry, inode);
- jffs_symlink_end:
-	D3(printk (KERN_NOTICE "symlink(): up biglock\n"));
-	mutex_unlock(&c->fmc->biglock);
-	unlock_kernel();
-	return err;
-} /* jffs_symlink()  */
-
-
-/* Create an inode inside a JFFS directory (dir) and return it.
- *
- * By the time this is called, we already have created
- * the directory cache entry for the new file, but it
- * is so far negative - it has no inode.
- *
- * If the create succeeds, we fill in the inode information
- * with d_instantiate().
- */
-static int
-jffs_create(struct inode *dir, struct dentry *dentry, int mode,
-		struct nameidata *nd)
-{
-	struct jffs_raw_inode raw_inode;
-	struct jffs_control *c;
-	struct jffs_node *node;
-	struct jffs_file *dir_f; /* JFFS representation of the directory.  */
-	struct inode *inode;
-	int err;
-
-	lock_kernel();
-	D1({
-		int len = dentry->d_name.len;
-		char *s = kmalloc(len + 1, GFP_KERNEL);
-		memcpy(s, dentry->d_name.name, len);
-		s[len] = '\0';
-		printk("jffs_create(): dir: 0x%p, name: \"%s\"\n", dir, s);
-		kfree(s);
-	});
-
-	dir_f = dir->i_private;
-	ASSERT(if (!dir_f) {
-		printk(KERN_ERR "jffs_create(): No reference to a "
-		       "jffs_file struct in inode.\n");
-		unlock_kernel();
-		return -EIO;
-	});
-
-	c = dir_f->c;
-
-	/* Create a node and initialize as much as needed.  */
-	if (!(node = jffs_alloc_node())) {
-		D(printk("jffs_create(): Allocation failed: node == 0\n"));
-		unlock_kernel();
-		return -ENOMEM;
-	}
-	D3(printk (KERN_NOTICE "create(): down biglock\n"));
-	mutex_lock(&c->fmc->biglock);
-
-	node->data_offset = 0;
-	node->removed_size = 0;
-
-	/* Initialize the raw inode.  */
-	raw_inode.magic = JFFS_MAGIC_BITMASK;
-	raw_inode.ino = c->next_ino++;
-	raw_inode.pino = dir_f->ino;
-	raw_inode.version = 1;
-	raw_inode.mode = mode;
-	raw_inode.uid = current->fsuid;
-	raw_inode.gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid;
-	raw_inode.atime = get_seconds();
-	raw_inode.mtime = raw_inode.atime;
-	raw_inode.ctime = raw_inode.atime;
-	raw_inode.offset = 0;
-	raw_inode.dsize = 0;
-	raw_inode.rsize = 0;
-	raw_inode.nsize = dentry->d_name.len;
-	raw_inode.nlink = 1;
-	raw_inode.spare = 0;
-	raw_inode.rename = 0;
-	raw_inode.deleted = 0;
-
-	/* Write the new node to the flash.  */
-	if ((err = jffs_write_node(c, node, &raw_inode,
-				   dentry->d_name.name, NULL, 0, NULL)) < 0) {
-		D(printk("jffs_create(): jffs_write_node() failed.\n"));
-		jffs_free_node(node);
-		goto jffs_create_end;
-	}
-
-	/* Insert the new node into the file system.  */
-	if ((err = jffs_insert_node(c, NULL, &raw_inode, dentry->d_name.name,
-				    node)) < 0) {
-		goto jffs_create_end;
-	}
-
-	/* Initialize an inode.  */
-	inode = jffs_new_inode(dir, &raw_inode, &err);
-	if (inode == NULL) {
-		goto jffs_create_end;
-	}
-	err = 0;
-	inode->i_op = &jffs_file_inode_operations;
-	inode->i_fop = &jffs_file_operations;
-	inode->i_mapping->a_ops = &jffs_address_operations;
-	inode->i_mapping->nrpages = 0;
-
-	d_instantiate(dentry, inode);
- jffs_create_end:
-	D3(printk (KERN_NOTICE "create(): up biglock\n"));
-	mutex_unlock(&c->fmc->biglock);
-	unlock_kernel();
-	return err;
-} /* jffs_create()  */
-
-
-/* Write, append or rewrite data to an existing file.  */
-static ssize_t
-jffs_file_write(struct file *filp, const char *buf, size_t count,
-		loff_t *ppos)
-{
-	struct jffs_raw_inode raw_inode;
-	struct jffs_control *c;
-	struct jffs_file *f;
-	struct jffs_node *node;
-	struct dentry *dentry = filp->f_path.dentry;
-	struct inode *inode = dentry->d_inode;
-	int recoverable = 0;
-	size_t written = 0;
-	__u32 thiscount = count;
-	loff_t pos = *ppos;
-	int err;
-
-	inode = filp->f_path.dentry->d_inode;
-
-	D2(printk("***jffs_file_write(): inode: 0x%p (ino: %lu), "
-		  "filp: 0x%p, buf: 0x%p, count: %d\n",
-		  inode, inode->i_ino, filp, buf, count));
-
-#if 0
-	if (inode->i_sb->s_flags & MS_RDONLY) {
-		D(printk("jffs_file_write(): MS_RDONLY\n"));
-		err = -EROFS;
-		goto out_isem;
-	}
-#endif	
-	err = -EINVAL;
-
-	if (!S_ISREG(inode->i_mode)) {
-		D(printk("jffs_file_write(): inode->i_mode == 0x%08x\n",
-				inode->i_mode));
-		goto out_isem;
-	}
-
-	if (!(f = inode->i_private)) {
-		D(printk("jffs_file_write(): inode->i_private = 0x%p\n",
-				inode->i_private));
-		goto out_isem;
-	}
-
-	c = f->c;
-
-	/*
-	 * This will never trigger with sane page sizes.  leave it in
-	 * anyway, since I'm thinking about how to merge larger writes
-	 * (the current idea is to poke a thread that does the actual
-	 * I/O and starts by doing a mutex_lock(&inode->i_mutex).  then we
-	 * would need to get the page cache pages and have a list of
-	 * I/O requests and do write-merging here.
-	 * -- prumpf
-	 */
-	thiscount = min(c->fmc->max_chunk_size - sizeof(struct jffs_raw_inode), count);
-
-	D3(printk (KERN_NOTICE "file_write(): down biglock\n"));
-	mutex_lock(&c->fmc->biglock);
-
-	/* Urgh. POSIX says we can do short writes if we feel like it. 
-	 * In practice, we can't. Nothing will cope. So we loop until
-	 * we're done.
-	 *
-	 * <_Anarchy_> posix and reality are not interconnected on this issue
-	 */
-	while (count) {
-		/* Things are going to be written so we could allocate and
-		   initialize the necessary data structures now.  */
-		if (!(node = jffs_alloc_node())) {
-			D(printk("jffs_file_write(): node == 0\n"));
-			err = -ENOMEM;
-			goto out;
-		}
-
-		node->data_offset = pos;
-		node->removed_size = 0;
-
-		/* Initialize the raw inode.  */
-		raw_inode.magic = JFFS_MAGIC_BITMASK;
-		raw_inode.ino = f->ino;
-		raw_inode.pino = f->pino;
-
-		raw_inode.mode = f->mode;
-
-		raw_inode.uid = f->uid;
-		raw_inode.gid = f->gid;
-		raw_inode.atime = get_seconds();
-		raw_inode.mtime = raw_inode.atime;
-		raw_inode.ctime = f->ctime;
-		raw_inode.offset = pos;
-		raw_inode.dsize = thiscount;
-		raw_inode.rsize = 0;
-		raw_inode.nsize = f->nsize;
-		raw_inode.nlink = f->nlink;
-		raw_inode.spare = 0;
-		raw_inode.rename = 0;
-		raw_inode.deleted = 0;
-
-		if (pos < f->size) {
-			node->removed_size = raw_inode.rsize = min(thiscount, (__u32)(f->size - pos));
-
-			/* If this node is going entirely over the top of old data,
-			   we can allow it to go into the reserved space, because
-			   we know that GC can reclaim the space later.
-			*/
-			if (pos + thiscount < f->size) {
-				/* If all the data we're overwriting are _real_,
-				   not just holes, then:
-				   recoverable = 1;
-				*/
-			}
-		}
-
-		/* Write the new node to the flash.  */
-		/* NOTE: We would be quite happy if jffs_write_node() wrote a
-		   smaller node than we were expecting. There's no need for it
-		   to waste the space at the end of the flash just because it's
-		   a little smaller than what we asked for. But that's a whole
-		   new can of worms which I'm not going to open this week. 
-		   -- dwmw2.
-		*/
-		if ((err = jffs_write_node(c, node, &raw_inode, f->name,
-					   (const unsigned char *)buf,
-					   recoverable, f)) < 0) {
-			D(printk("jffs_file_write(): jffs_write_node() failed.\n"));
-			jffs_free_node(node);
-			goto out;
-		}
-
-		written += err;
-		buf += err;
-		count -= err;
-		pos += err;
-
-		/* Insert the new node into the file system.  */
-		if ((err = jffs_insert_node(c, f, &raw_inode, NULL, node)) < 0) {
-			goto out;
-		}
-
-		D3(printk("jffs_file_write(): new f_pos %ld.\n", (long)pos));
-
-		thiscount = min(c->fmc->max_chunk_size - sizeof(struct jffs_raw_inode), count);
-	}
- out:
-	D3(printk (KERN_NOTICE "file_write(): up biglock\n"));
-	mutex_unlock(&c->fmc->biglock);
-
-	/* Fix things in the real inode.  */
-	if (pos > inode->i_size) {
-		inode->i_size = pos;
-		inode->i_blocks = (inode->i_size + 511) >> 9;
-	}
-	inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC;
-	mark_inode_dirty(inode);
-	invalidate_mapping_pages(inode->i_mapping, 0, -1);
-
- out_isem:
-	return err;
-} /* jffs_file_write()  */
-
-static int
-jffs_prepare_write(struct file *filp, struct page *page,
-                  unsigned from, unsigned to)
-{
-	/* FIXME: we should detect some error conditions here */
-
-	/* Bugger that. We should make sure the page is uptodate */
-	if (!PageUptodate(page) && (from || to < PAGE_CACHE_SIZE))
-		return jffs_do_readpage_nolock(filp, page);
-
-	return 0;
-} /* jffs_prepare_write() */
-
-static int
-jffs_commit_write(struct file *filp, struct page *page,
-                 unsigned from, unsigned to)
-{
-       void *addr = page_address(page) + from;
-       /* XXX: PAGE_CACHE_SHIFT or PAGE_SHIFT */
-       loff_t pos = page_offset(page) + from;
-
-       return jffs_file_write(filp, addr, to-from, &pos);
-} /* jffs_commit_write() */
-
-/* This is our ioctl() routine.  */
-static int
-jffs_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
-	   unsigned long arg)
-{
-	struct jffs_control *c;
-	int ret = 0;
-
-	D2(printk("***jffs_ioctl(): cmd = 0x%08x, arg = 0x%08lx\n",
-		  cmd, arg));
-
-	if (!(c = (struct jffs_control *)inode->i_sb->s_fs_info)) {
-		printk(KERN_ERR "JFFS: Bad inode in ioctl() call. "
-		       "(cmd = 0x%08x)\n", cmd);
-		return -EIO;
-	}
-	D3(printk (KERN_NOTICE "ioctl(): down biglock\n"));
-	mutex_lock(&c->fmc->biglock);
-
-	switch (cmd) {
-	case JFFS_PRINT_HASH:
-		jffs_print_hash_table(c);
-		break;
-	case JFFS_PRINT_TREE:
-		jffs_print_tree(c->root, 0);
-		break;
-	case JFFS_GET_STATUS:
-		{
-			struct jffs_flash_status fst;
-			struct jffs_fmcontrol *fmc = c->fmc;
-			printk("Flash status -- ");
-			if (!access_ok(VERIFY_WRITE,
-				       (struct jffs_flash_status __user *)arg,
-				       sizeof(struct jffs_flash_status))) {
-				D(printk("jffs_ioctl(): Bad arg in "
-					 "JFFS_GET_STATUS ioctl!\n"));
-				ret = -EFAULT;
-				break;
-			}
-			fst.size = fmc->flash_size;
-			fst.used = fmc->used_size;
-			fst.dirty = fmc->dirty_size;
-			fst.begin = fmc->head->offset;
-			fst.end = fmc->tail->offset + fmc->tail->size;
-			printk("size: %d, used: %d, dirty: %d, "
-			       "begin: %d, end: %d\n",
-			       fst.size, fst.used, fst.dirty,
-			       fst.begin, fst.end);
-			if (copy_to_user((struct jffs_flash_status __user *)arg,
-					 &fst,
-					 sizeof(struct jffs_flash_status))) {
-				ret = -EFAULT;
-			}
-		}
-		break;
-	default:
-		ret = -ENOTTY;
-	}
-	D3(printk (KERN_NOTICE "ioctl(): up biglock\n"));
-	mutex_unlock(&c->fmc->biglock);
-	return ret;
-} /* jffs_ioctl()  */
-
-
-static const struct address_space_operations jffs_address_operations = {
-	.readpage	= jffs_readpage,
-	.prepare_write	= jffs_prepare_write,
-	.commit_write	= jffs_commit_write,
-};
-
-static int jffs_fsync(struct file *f, struct dentry *d, int datasync)
-{
-	/* We currently have O_SYNC operations at all times.
-	   Do nothing.
-	*/
-	return 0;
-}
-
-
-static const struct file_operations jffs_file_operations =
-{
-	.open		= generic_file_open,
-	.llseek		= generic_file_llseek,
-	.read		= do_sync_read,
-	.aio_read	= generic_file_aio_read,
-	.write		= do_sync_write,
-	.aio_write	= generic_file_aio_write,
-	.ioctl		= jffs_ioctl,
-	.mmap		= generic_file_readonly_mmap,
-	.fsync		= jffs_fsync,
-	.sendfile	= generic_file_sendfile,
-};
-
-
-static const struct inode_operations jffs_file_inode_operations =
-{
-	.lookup		= jffs_lookup,          /* lookup */
-	.setattr	= jffs_setattr,
-};
-
-
-static const struct file_operations jffs_dir_operations =
-{
-	.readdir	= jffs_readdir,
-};
-
-
-static const struct inode_operations jffs_dir_inode_operations =
-{
-	.create		= jffs_create,
-	.lookup		= jffs_lookup,
-	.unlink		= jffs_unlink,
-	.symlink	= jffs_symlink,
-	.mkdir		= jffs_mkdir,
-	.rmdir		= jffs_rmdir,
-	.mknod		= jffs_mknod,
-	.rename		= jffs_rename,
-	.setattr	= jffs_setattr,
-};
-
-
-/* Initialize an inode for the VFS.  */
-static void
-jffs_read_inode(struct inode *inode)
-{
-	struct jffs_file *f;
-	struct jffs_control *c;
-
-	D3(printk("jffs_read_inode(): inode->i_ino == %lu\n", inode->i_ino));
-
-	if (!inode->i_sb) {
-		D(printk("jffs_read_inode(): !inode->i_sb ==> "
-			 "No super block!\n"));
-		return;
-	}
-	c = (struct jffs_control *)inode->i_sb->s_fs_info;
-	D3(printk (KERN_NOTICE "read_inode(): down biglock\n"));
-	mutex_lock(&c->fmc->biglock);
-	if (!(f = jffs_find_file(c, inode->i_ino))) {
-		D(printk("jffs_read_inode(): No such inode (%lu).\n",
-			 inode->i_ino));
-		D3(printk (KERN_NOTICE "read_inode(): up biglock\n"));
-		mutex_unlock(&c->fmc->biglock);
-		return;
-	}
-	inode->i_private = f;
-	inode->i_mode = f->mode;
-	inode->i_nlink = f->nlink;
-	inode->i_uid = f->uid;
-	inode->i_gid = f->gid;
-	inode->i_size = f->size;
-	inode->i_atime.tv_sec = f->atime;
-	inode->i_mtime.tv_sec = f->mtime;
-	inode->i_ctime.tv_sec = f->ctime;
-	inode->i_atime.tv_nsec = 
-	inode->i_mtime.tv_nsec = 
-	inode->i_ctime.tv_nsec = 0;
-
-	inode->i_blocks = (inode->i_size + 511) >> 9;
-	if (S_ISREG(inode->i_mode)) {
-		inode->i_op = &jffs_file_inode_operations;
-		inode->i_fop = &jffs_file_operations;
-		inode->i_mapping->a_ops = &jffs_address_operations;
-	}
-	else if (S_ISDIR(inode->i_mode)) {
-		inode->i_op = &jffs_dir_inode_operations;
-		inode->i_fop = &jffs_dir_operations;
-	}
-	else if (S_ISLNK(inode->i_mode)) {
-		inode->i_op = &page_symlink_inode_operations;
-		inode->i_mapping->a_ops = &jffs_address_operations;
-	}
-	else {
-		/* If the node is a device of some sort, then the number of
-		   the device should be read from the flash memory and then
-		   added to the inode's i_rdev member.  */
-		u16 val;
-		jffs_read_data(f, (char *)&val, 0, 2);
-		init_special_inode(inode, inode->i_mode,
-			old_decode_dev(val));
-	}
-
-	D3(printk (KERN_NOTICE "read_inode(): up biglock\n"));
-	mutex_unlock(&c->fmc->biglock);
-}
-
-
-static void
-jffs_delete_inode(struct inode *inode)
-{
-	struct jffs_file *f;
-	struct jffs_control *c;
-	D3(printk("jffs_delete_inode(): inode->i_ino == %lu\n",
-		  inode->i_ino));
-
-	truncate_inode_pages(&inode->i_data, 0);
-	lock_kernel();
-	inode->i_size = 0;
-	inode->i_blocks = 0;
-	inode->i_private = NULL;
-	clear_inode(inode);
-	if (inode->i_nlink == 0) {
-		c = (struct jffs_control *) inode->i_sb->s_fs_info;
-		f = (struct jffs_file *) jffs_find_file (c, inode->i_ino);
-		jffs_possibly_delete_file(f);
-	}
-
-	unlock_kernel();
-}
-
-
-static void
-jffs_write_super(struct super_block *sb)
-{
-	struct jffs_control *c = (struct jffs_control *)sb->s_fs_info;
-	lock_kernel();
-	jffs_garbage_collect_trigger(c);
-	unlock_kernel();
-}
-
-static int jffs_remount(struct super_block *sb, int *flags, char *data)
-{
-	*flags |= MS_NODIRATIME;
-	return 0;
-}
-
-static const struct super_operations jffs_ops =
-{
-	.read_inode	= jffs_read_inode,
-	.delete_inode 	= jffs_delete_inode,
-	.put_super	= jffs_put_super,
-	.write_super	= jffs_write_super,
-	.statfs		= jffs_statfs,
-	.remount_fs	= jffs_remount,
-};
-
-static int jffs_get_sb(struct file_system_type *fs_type,
-	int flags, const char *dev_name, void *data, struct vfsmount *mnt)
-{
-	return get_sb_bdev(fs_type, flags, dev_name, data, jffs_fill_super,
-			   mnt);
-}
-
-static struct file_system_type jffs_fs_type = {
-	.owner		= THIS_MODULE,
-	.name		= "jffs",
-	.get_sb		= jffs_get_sb,
-	.kill_sb	= kill_block_super,
-	.fs_flags	= FS_REQUIRES_DEV,
-};
-
-static int __init
-init_jffs_fs(void)
-{
-	printk(KERN_INFO "JFFS version " JFFS_VERSION_STRING
-		", (C) 1999, 2000  Axis Communications AB\n");
-	
-#ifdef CONFIG_JFFS_PROC_FS
-	jffs_proc_root = proc_mkdir("jffs", proc_root_fs);
-	if (!jffs_proc_root) {
-		printk(KERN_WARNING "cannot create /proc/jffs entry\n");
-	}
-#endif
-	fm_cache = kmem_cache_create("jffs_fm", sizeof(struct jffs_fm),
-		       0,
-		       SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
-		       NULL, NULL);
-	if (!fm_cache) {
-		return -ENOMEM;
-	}
-
-	node_cache = kmem_cache_create("jffs_node",sizeof(struct jffs_node),
-		       0,
-		       SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
-		       NULL, NULL);
-	if (!node_cache) {
-		kmem_cache_destroy(fm_cache);
-		return -ENOMEM;
-	}
-
-	return register_filesystem(&jffs_fs_type);
-}
-
-static void __exit
-exit_jffs_fs(void)
-{
-	unregister_filesystem(&jffs_fs_type);
-	kmem_cache_destroy(fm_cache);
-	kmem_cache_destroy(node_cache);
-}
-
-module_init(init_jffs_fs)
-module_exit(exit_jffs_fs)
-
-MODULE_DESCRIPTION("The Journalling Flash File System");
-MODULE_AUTHOR("Axis Communications AB.");
-MODULE_LICENSE("GPL");
diff --git a/fs/jffs/intrep.c b/fs/jffs/intrep.c
deleted file mode 100644
index 6dd18911b44..00000000000
--- a/fs/jffs/intrep.c
+++ /dev/null
@@ -1,3449 +0,0 @@
-/*
- * JFFS -- Journaling Flash File System, Linux implementation.
- *
- * Copyright (C) 1999, 2000  Axis Communications, Inc.
- *
- * Created by Finn Hakansson <finn@axis.com>.
- *
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * $Id: intrep.c,v 1.102 2001/09/23 23:28:36 dwmw2 Exp $
- *
- * Ported to Linux 2.3.x and MTD:
- * Copyright (C) 2000  Alexander Larsson (alex@cendio.se), Cendio Systems AB
- *
- */
-
-/* This file contains the code for the internal structure of the
-   Journaling Flash File System, JFFS.  */
-
-/*
- * Todo list:
- *
- * memcpy_to_flash() and memcpy_from_flash() functions.
- *
- * Implementation of hard links.
- *
- * Organize the source code in a better way. Against the VFS we could
- * have jffs_ext.c, and against the block device jffs_int.c.
- * A better file-internal organization too.
- *
- * A better checksum algorithm.
- *
- * Consider endianness stuff. ntohl() etc.
- *
- * Are we handling the atime, mtime, ctime members of the inode right?
- *
- * Remove some duplicated code. Take a look at jffs_write_node() and
- * jffs_rewrite_data() for instance.
- *
- * Implement more meaning of the nlink member in various data structures.
- * nlink could be used in conjunction with hard links for instance.
- *
- * Better memory management. Allocate data structures in larger chunks
- * if possible.
- *
- * If too much meta data is stored, a garbage collect should be issued.
- * We have experienced problems with too much meta data with for instance
- * log files.
- *
- * Improve the calls to jffs_ioctl(). We would like to retrieve more
- * information to be able to debug (or to supervise) JFFS during run-time.
- *
- */
-
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/jffs.h>
-#include <linux/fs.h>
-#include <linux/stat.h>
-#include <linux/pagemap.h>
-#include <linux/mutex.h>
-#include <asm/byteorder.h>
-#include <linux/smp_lock.h>
-#include <linux/time.h>
-#include <linux/ctype.h>
-#include <linux/freezer.h>
-
-#include "intrep.h"
-#include "jffs_fm.h"
-
-long no_jffs_node = 0;
-static long no_jffs_file = 0;
-#if defined(JFFS_MEMORY_DEBUG) && JFFS_MEMORY_DEBUG
-long no_jffs_control = 0;
-long no_jffs_raw_inode = 0;
-long no_jffs_node_ref = 0;
-long no_jffs_fm = 0;
-long no_jffs_fmcontrol = 0;
-long no_hash = 0;
-long no_name = 0;
-#endif
-
-static int jffs_scan_flash(struct jffs_control *c);
-static int jffs_update_file(struct jffs_file *f, struct jffs_node *node);
-static int jffs_build_file(struct jffs_file *f);
-static int jffs_free_file(struct jffs_file *f);
-static int jffs_free_node_list(struct jffs_file *f);
-static int jffs_garbage_collect_now(struct jffs_control *c);
-static int jffs_insert_file_into_hash(struct jffs_file *f);
-static int jffs_remove_redundant_nodes(struct jffs_file *f);
-
-/* Is there enough space on the flash?  */
-static inline int JFFS_ENOUGH_SPACE(struct jffs_control *c, __u32 space)
-{
-	struct jffs_fmcontrol *fmc = c->fmc;
-
-	while (1) {
-		if ((fmc->flash_size - (fmc->used_size + fmc->dirty_size))
-			>= fmc->min_free_size + space) {
-			return 1;
-		}
-		if (fmc->dirty_size < fmc->sector_size)
-			return 0;
-
-		if (jffs_garbage_collect_now(c)) {
-		  D1(printk("JFFS_ENOUGH_SPACE: jffs_garbage_collect_now() failed.\n"));
-		  return 0;
-		}
-	}
-}
-
-#if CONFIG_JFFS_FS_VERBOSE > 0
-static __u8
-flash_read_u8(struct mtd_info *mtd, loff_t from)
-{
-	size_t retlen;
-	__u8 ret;
-	int res;
-
-	res = MTD_READ(mtd, from, 1, &retlen, &ret);
-	if (retlen != 1) {
-		printk("Didn't read a byte in flash_read_u8(). Returned %d\n", res);
-		return 0;
-	}
-
-	return ret;
-}
-
-static void
-jffs_hexdump(struct mtd_info *mtd, loff_t pos, int size)
-{
-	char line[16];
-	int j = 0;
-
-	while (size > 0) {
-		int i;
-
-		printk("%ld:", (long) pos);
-		for (j = 0; j < 16; j++) {
-			line[j] = flash_read_u8(mtd, pos++);
-		}
-		for (i = 0; i < j; i++) {
-			if (!(i & 1)) {
-				printk(" %.2x", line[i] & 0xff);
-			}
-			else {
-				printk("%.2x", line[i] & 0xff);
-			}
-		}
-
-		/* Print empty space */
-		for (; i < 16; i++) {
-			if (!(i & 1)) {
-				printk("   ");
-			}
-			else {
-				printk("  ");
-			}
-		}
-		printk("  ");
-
-		for (i = 0; i < j; i++) {
-			if (isgraph(line[i])) {
-				printk("%c", line[i]);
-			}
-			else {
-				printk(".");
-			}
-		}
-		printk("\n");
-		size -= 16;
-	}
-}
-
-/* Print the contents of a node.  */
-static void
-jffs_print_node(struct jffs_node *n)
-{
-	D(printk("jffs_node: 0x%p\n", n));
-	D(printk("{\n"));
-	D(printk("        0x%08x, /* version  */\n", n->version));
-	D(printk("        0x%08x, /* data_offset  */\n", n->data_offset));
-	D(printk("        0x%08x, /* data_size  */\n", n->data_size));
-	D(printk("        0x%08x, /* removed_size  */\n", n->removed_size));
-	D(printk("        0x%08x, /* fm_offset  */\n", n->fm_offset));
-	D(printk("        0x%02x,       /* name_size  */\n", n->name_size));
-	D(printk("        0x%p, /* fm,  fm->offset: %u  */\n",
-		 n->fm, (n->fm ? n->fm->offset : 0)));
-	D(printk("        0x%p, /* version_prev  */\n", n->version_prev));
-	D(printk("        0x%p, /* version_next  */\n", n->version_next));
-	D(printk("        0x%p, /* range_prev  */\n", n->range_prev));
-	D(printk("        0x%p, /* range_next  */\n", n->range_next));
-	D(printk("}\n"));
-}
-
-#endif
-
-/* Print the contents of a raw inode.  */
-static void
-jffs_print_raw_inode(struct jffs_raw_inode *raw_inode)
-{
-	D(printk("jffs_raw_inode: inode number: %u\n", raw_inode->ino));
-	D(printk("{\n"));
-	D(printk("        0x%08x, /* magic  */\n", raw_inode->magic));
-	D(printk("        0x%08x, /* ino  */\n", raw_inode->ino));
-	D(printk("        0x%08x, /* pino  */\n", raw_inode->pino));
-	D(printk("        0x%08x, /* version  */\n", raw_inode->version));
-	D(printk("        0x%08x, /* mode  */\n", raw_inode->mode));
-	D(printk("        0x%04x,     /* uid  */\n", raw_inode->uid));
-	D(printk("        0x%04x,     /* gid  */\n", raw_inode->gid));
-	D(printk("        0x%08x, /* atime  */\n", raw_inode->atime));
-	D(printk("        0x%08x, /* mtime  */\n", raw_inode->mtime));
-	D(printk("        0x%08x, /* ctime  */\n", raw_inode->ctime));
-	D(printk("        0x%08x, /* offset  */\n", raw_inode->offset));
-	D(printk("        0x%08x, /* dsize  */\n", raw_inode->dsize));
-	D(printk("        0x%08x, /* rsize  */\n", raw_inode->rsize));
-	D(printk("        0x%02x,       /* nsize  */\n", raw_inode->nsize));
-	D(printk("        0x%02x,       /* nlink  */\n", raw_inode->nlink));
-	D(printk("        0x%02x,       /* spare  */\n",
-		 raw_inode->spare));
-	D(printk("        %u,          /* rename  */\n",
-		 raw_inode->rename));
-	D(printk("        %u,          /* deleted  */\n",
-		 raw_inode->deleted));
-	D(printk("        0x%02x,       /* accurate  */\n",
-		 raw_inode->accurate));
-	D(printk("        0x%08x, /* dchksum  */\n", raw_inode->dchksum));
-	D(printk("        0x%04x,     /* nchksum  */\n", raw_inode->nchksum));
-	D(printk("        0x%04x,     /* chksum  */\n", raw_inode->chksum));
-	D(printk("}\n"));
-}
-
-#define flash_safe_acquire(arg)
-#define flash_safe_release(arg)
-
-
-static int
-flash_safe_read(struct mtd_info *mtd, loff_t from,
-		u_char *buf, size_t count)
-{
-	size_t retlen;
-	int res;
-
-	D3(printk(KERN_NOTICE "flash_safe_read(%p, %08x, %p, %08x)\n",
-		  mtd, (unsigned int) from, buf, count));
-
-	res = mtd->read(mtd, from, count, &retlen, buf);
-	if (retlen != count) {
-		panic("Didn't read all bytes in flash_safe_read(). Returned %d\n", res);
-	}
-	return res?res:retlen;
-}
-
-
-static __u32
-flash_read_u32(struct mtd_info *mtd, loff_t from)
-{
-	size_t retlen;
-	__u32 ret;
-	int res;
-
-	res = mtd->read(mtd, from, 4, &retlen, (unsigned char *)&ret);
-	if (retlen != 4) {
-		printk("Didn't read all bytes in flash_read_u32(). Returned %d\n", res);
-		return 0;
-	}
-
-	return ret;
-}
-
-
-static int
-flash_safe_write(struct mtd_info *mtd, loff_t to,
-		 const u_char *buf, size_t count)
-{
-	size_t retlen;
-	int res;
-
-	D3(printk(KERN_NOTICE "flash_safe_write(%p, %08x, %p, %08x)\n",
-		  mtd, (unsigned int) to, buf, count));
-
-	res = mtd->write(mtd, to, count, &retlen, buf);
-	if (retlen != count) {
-		printk("Didn't write all bytes in flash_safe_write(). Returned %d\n", res);
-	}
-	return res?res:retlen;
-}
-
-
-static int
-flash_safe_writev(struct mtd_info *mtd, const struct kvec *vecs,
-			unsigned long iovec_cnt, loff_t to)
-{
-	size_t retlen, retlen_a;
-	int i;
-	int res;
-
-	D3(printk(KERN_NOTICE "flash_safe_writev(%p, %08x, %p)\n",
-		  mtd, (unsigned int) to, vecs));
-
-	if (mtd->writev) {
-		res = mtd->writev(mtd, vecs, iovec_cnt, to, &retlen);
-		return res ? res : retlen;
-	}
-	/* Not implemented writev. Repeatedly use write - on the not so
-	   unreasonable assumption that the mtd driver doesn't care how
-	   many write cycles we use. */
-	res=0;
-	retlen=0;
-
-	for (i=0; !res && i<iovec_cnt; i++) {
-		res = mtd->write(mtd, to, vecs[i].iov_len, &retlen_a,
-				 vecs[i].iov_base);
-		if (retlen_a != vecs[i].iov_len) {
-			printk("Didn't write all bytes in flash_safe_writev(). Returned %d\n", res);
-			if (i != iovec_cnt-1)
-				return -EIO;
-		}
-		/* If res is non-zero, retlen_a is undefined, but we don't
-		   care because in that case it's not going to be 
-		   returned anyway.
-		*/
-		to += retlen_a;
-		retlen += retlen_a;
-	}
-	return res?res:retlen;
-}
-
-
-static int
-flash_memset(struct mtd_info *mtd, loff_t to,
-	     const u_char c, size_t size)
-{
-	static unsigned char pattern[64];
-	int i;
-
-	/* fill up pattern */
-
-	for(i = 0; i < 64; i++)
-		pattern[i] = c;
-
-	/* write as many 64-byte chunks as we can */
-
-	while (size >= 64) {
-		flash_safe_write(mtd, to, pattern, 64);
-		size -= 64;
-		to += 64;
-	}
-
-	/* and the rest */
-
-	if(size)
-		flash_safe_write(mtd, to, pattern, size);
-
-	return size;
-}
-
-
-static void
-intrep_erase_callback(struct erase_info *done)
-{
-	wait_queue_head_t *wait_q;
-
-	wait_q = (wait_queue_head_t *)done->priv;
-
-	wake_up(wait_q);
-}
-
-
-static int
-flash_erase_region(struct mtd_info *mtd, loff_t start,
-		   size_t size)
-{
-	struct erase_info *erase;
-	DECLARE_WAITQUEUE(wait, current);
-	wait_queue_head_t wait_q;
-
-	erase = kmalloc(sizeof(struct erase_info), GFP_KERNEL);
-	if (!erase)
-		return -ENOMEM;
-
-	init_waitqueue_head(&wait_q);
-
-	erase->mtd = mtd;
-	erase->callback = intrep_erase_callback;
-	erase->addr = start;
-	erase->len = size;
-	erase->priv = (u_long)&wait_q;
-
-	/* FIXME: Use TASK_INTERRUPTIBLE and deal with being interrupted */
-	set_current_state(TASK_UNINTERRUPTIBLE);
-	add_wait_queue(&wait_q, &wait);
-
-	if (mtd->erase(mtd, erase) < 0) {
-		set_current_state(TASK_RUNNING);
-		remove_wait_queue(&wait_q, &wait);
-		kfree(erase);
-
-		printk(KERN_WARNING "flash: erase of region [0x%lx, 0x%lx] "
-		       "totally failed\n", (long)start, (long)start + size);
-
-		return -1;
-	}
-
-	schedule(); /* Wait for flash to finish. */
-	remove_wait_queue(&wait_q, &wait);
-
-	kfree(erase);
-
-	return 0;
-}
-
-/* This routine calculates checksums in JFFS.  */
-static __u32
-jffs_checksum(const void *data, int size)
-{
-	__u32 sum = 0;
-	__u8 *ptr = (__u8 *)data;
-	while (size-- > 0) {
-		sum += *ptr++;
-	}
-	D3(printk(", result: 0x%08x\n", sum));
-	return sum;
-}
-
-
-static int
-jffs_checksum_flash(struct mtd_info *mtd, loff_t start, int size, __u32 *result)
-{
-	__u32 sum = 0;
-	loff_t ptr = start;
-	__u8 *read_buf;
-	int i, length;
-
-	/* Allocate read buffer */
-	read_buf = kmalloc(sizeof(__u8) * 4096, GFP_KERNEL);
-	if (!read_buf) {
-		printk(KERN_NOTICE "kmalloc failed in jffs_checksum_flash()\n");
-		return -ENOMEM;
-	}
-	/* Loop until checksum done */
-	while (size) {
-		/* Get amount of data to read */
-		if (size < 4096)
-			length = size;
-		else
-			length = 4096;
-
-		/* Perform flash read */
-		D3(printk(KERN_NOTICE "jffs_checksum_flash\n"));
-		flash_safe_read(mtd, ptr, &read_buf[0], length);
-
-		/* Compute checksum */
-		for (i=0; i < length ; i++)
-			sum += read_buf[i];
-
-		/* Update pointer and size */
-		size -= length;
-		ptr += length;
-	}
-
-	/* Free read buffer */
-	kfree(read_buf);
-
-	/* Return result */
-	D3(printk("checksum result: 0x%08x\n", sum));
-	*result = sum;
-	return 0;
-}
-
-static __inline__ void jffs_fm_write_lock(struct jffs_fmcontrol *fmc)
-{
-  //	down(&fmc->wlock);
-}
-
-static __inline__ void jffs_fm_write_unlock(struct jffs_fmcontrol *fmc)
-{
-  //	up(&fmc->wlock);
-}
-
-
-/* Create and initialize a new struct jffs_file.  */
-static struct jffs_file *
-jffs_create_file(struct jffs_control *c,
-		 const struct jffs_raw_inode *raw_inode)
-{
-	struct jffs_file *f;
-
-	if (!(f = kzalloc(sizeof(*f), GFP_KERNEL))) {
-		D(printk("jffs_create_file(): Failed!\n"));
-		return NULL;
-	}
-	no_jffs_file++;
-	f->ino = raw_inode->ino;
-	f->pino = raw_inode->pino;
-	f->nlink = raw_inode->nlink;
-	f->deleted = raw_inode->deleted;
-	f->c = c;
-
-	return f;
-}
-
-
-/* Build a control block for the file system.  */
-static struct jffs_control *
-jffs_create_control(struct super_block *sb)
-{
-	struct jffs_control *c;
-	register int s = sizeof(struct jffs_control);
-	int i;
-	D(char *t = 0);
-
-	D2(printk("jffs_create_control()\n"));
-
-	if (!(c = kmalloc(s, GFP_KERNEL))) {
-		goto fail_control;
-	}
-	DJM(no_jffs_control++);
-	c->root = NULL;
-	c->gc_task = NULL;
-	c->hash_len = JFFS_HASH_SIZE;
-	s = sizeof(struct list_head) * c->hash_len;
-	if (!(c->hash = kmalloc(s, GFP_KERNEL))) {
-		goto fail_hash;
-	}
-	DJM(no_hash++);
-	for (i = 0; i < c->hash_len; i++)
-		INIT_LIST_HEAD(&c->hash[i]);
-	if (!(c->fmc = jffs_build_begin(c, MINOR(sb->s_dev)))) {
-		goto fail_fminit;
-	}
-	c->next_ino = JFFS_MIN_INO + 1;
-	c->delete_list = (struct jffs_delete_list *) 0;
-	return c;
-
-fail_fminit:
-	D(t = "c->fmc");
-fail_hash:
-	kfree(c);
-	DJM(no_jffs_control--);
-	D(t = t ? t : "c->hash");
-fail_control:
-	D(t = t ? t : "control");
-	D(printk("jffs_create_control(): Allocation failed: (%s)\n", t));
-	return (struct jffs_control *)0;
-}
-
-
-/* Clean up all data structures associated with the file system.  */
-void
-jffs_cleanup_control(struct jffs_control *c)
-{
-	D2(printk("jffs_cleanup_control()\n"));
-
-	if (!c) {
-		D(printk("jffs_cleanup_control(): c == NULL !!!\n"));
-		return;
-	}
-
-	while (c->delete_list) {
-		struct jffs_delete_list *delete_list_element;
-		delete_list_element = c->delete_list;
-		c->delete_list = c->delete_list->next;
-		kfree(delete_list_element);
-	}
-
-	/* Free all files and nodes.  */
-	if (c->hash) {
-		jffs_foreach_file(c, jffs_free_node_list);
-		jffs_foreach_file(c, jffs_free_file);
-		kfree(c->hash);
-		DJM(no_hash--);
-	}
-	jffs_cleanup_fmcontrol(c->fmc);
-	kfree(c);
-	DJM(no_jffs_control--);
-	D3(printk("jffs_cleanup_control(): Leaving...\n"));
-}
-
-
-/* This function adds a virtual root node to the in-RAM representation.
-   Called by jffs_build_fs().  */
-static int
-jffs_add_virtual_root(struct jffs_control *c)
-{
-	struct jffs_file *root;
-	struct jffs_node *node;
-
-	D2(printk("jffs_add_virtual_root(): "
-		  "Creating a virtual root directory.\n"));
-
-	if (!(root = kzalloc(sizeof(struct jffs_file), GFP_KERNEL))) {
-		return -ENOMEM;
-	}
-	no_jffs_file++;
-	if (!(node = jffs_alloc_node())) {
-		kfree(root);
-		no_jffs_file--;
-		return -ENOMEM;
-	}
-	DJM(no_jffs_node++);
-	memset(node, 0, sizeof(struct jffs_node));
-	node->ino = JFFS_MIN_INO;
-	root->ino = JFFS_MIN_INO;
-	root->mode = S_IFDIR | S_IRWXU | S_IRGRP
-		     | S_IXGRP | S_IROTH | S_IXOTH;
-	root->atime = root->mtime = root->ctime = get_seconds();
-	root->nlink = 1;
-	root->c = c;
-	root->version_head = root->version_tail = node;
-	jffs_insert_file_into_hash(root);
-	return 0;
-}
-
-
-/* This is where the file system is built and initialized.  */
-int
-jffs_build_fs(struct super_block *sb)
-{
-	struct jffs_control *c;
-	int err = 0;
-
-	D2(printk("jffs_build_fs()\n"));
-
-	if (!(c = jffs_create_control(sb))) {
-		return -ENOMEM;
-	}
-	c->building_fs = 1;
-	c->sb = sb;
-	if ((err = jffs_scan_flash(c)) < 0) {
-		if(err == -EAGAIN){
-			/* scan_flash() wants us to try once more. A flipping 
-			   bits sector was detect in the middle of the scan flash.
-			   Clean up old allocated memory before going in.
-			*/
-			D1(printk("jffs_build_fs: Cleaning up all control structures,"
-				  " reallocating them and trying mount again.\n"));
-			jffs_cleanup_control(c);
-			if (!(c = jffs_create_control(sb))) {
-				return -ENOMEM;
-			}
-			c->building_fs = 1;
-			c->sb = sb;
-
-			if ((err = jffs_scan_flash(c)) < 0) {
-				goto jffs_build_fs_fail;
-			}			
-		}else{
-			goto jffs_build_fs_fail;
-		}
-	}
-
-	/* Add a virtual root node if no one exists.  */
-	if (!jffs_find_file(c, JFFS_MIN_INO)) {
-		if ((err = jffs_add_virtual_root(c)) < 0) {
-			goto jffs_build_fs_fail;
-		}
-	}
-
-	while (c->delete_list) {
-		struct jffs_file *f;
-		struct jffs_delete_list *delete_list_element;
-
-		if ((f = jffs_find_file(c, c->delete_list->ino))) {
-			f->deleted = 1;
-		}
-		delete_list_element = c->delete_list;
-		c->delete_list = c->delete_list->next;
-		kfree(delete_list_element);
-	}
-
-	/* Remove deleted nodes.  */
-	if ((err = jffs_foreach_file(c, jffs_possibly_delete_file)) < 0) {
-		printk(KERN_ERR "JFFS: Failed to remove deleted nodes.\n");
-		goto jffs_build_fs_fail;
-	}
-	/* Remove redundant nodes.  (We are not interested in the
-	   return value in this case.)  */
-	jffs_foreach_file(c, jffs_remove_redundant_nodes);
-	/* Try to build a tree from all the nodes.  */
-	if ((err = jffs_foreach_file(c, jffs_insert_file_into_tree)) < 0) {
-		printk("JFFS: Failed to build tree.\n");
-		goto jffs_build_fs_fail;
-	}
-	/* Compute the sizes of all files in the filesystem.  Adjust if
-	   necessary.  */
-	if ((err = jffs_foreach_file(c, jffs_build_file)) < 0) {
-		printk("JFFS: Failed to build file system.\n");
-		goto jffs_build_fs_fail;
-	}
-	sb->s_fs_info = (void *)c;
-	c->building_fs = 0;
-
-	D1(jffs_print_hash_table(c));
-	D1(jffs_print_tree(c->root, 0));
-
-	return 0;
-
-jffs_build_fs_fail:
-	jffs_cleanup_control(c);
-	return err;
-} /* jffs_build_fs()  */
-
-
-/*
-  This checks for sectors that were being erased in their previous 
-  lifetimes and for some reason or the other (power fail etc.), 
-  the erase cycles never completed.
-  As the flash array would have reverted back to read status, 
-  these sectors are detected by the symptom of the "flipping bits",
-  i.e. bits being read back differently from the same location in
-  flash if read multiple times.
-  The only solution to this is to re-erase the entire
-  sector.
-  Unfortunately detecting "flipping bits" is not a simple exercise
-  as a bit may be read back at 1 or 0 depending on the alignment 
-  of the stars in the universe.
-  The level of confidence is in direct proportion to the number of 
-  scans done. By power fail testing I (Vipin) have been able to 
-  proove that reading twice is not enough.
-  Maybe 4 times? Change NUM_REREADS to a higher number if you want
-  a (even) higher degree of confidence in your mount process. 
-  A higher number would of course slow down your mount.
-*/
-static int check_partly_erased_sectors(struct jffs_fmcontrol *fmc){
-
-#define NUM_REREADS             4 /* see note above */
-#define READ_AHEAD_BYTES        4096 /* must be a multiple of 4, 
-					usually set to kernel page size */
-
-	__u8 *read_buf1;
-	__u8 *read_buf2;
-
-	int err = 0;
-	int retlen;
-	int i;
-	int cnt;
-	__u32 offset;
-	loff_t pos = 0;
-	loff_t end = fmc->flash_size;
-
-
-	/* Allocate read buffers */
-	read_buf1 = kmalloc(sizeof(__u8) * READ_AHEAD_BYTES, GFP_KERNEL);
-	if (!read_buf1)
-		return -ENOMEM;
-
-	read_buf2 = kmalloc(sizeof(__u8) * READ_AHEAD_BYTES, GFP_KERNEL);
-	if (!read_buf2) {
-		kfree(read_buf1);
-		return -ENOMEM;
-	}
-
- CHECK_NEXT:
-	while(pos < end){
-		
-		D1(printk("check_partly_erased_sector():checking sector which contains"
-			  " offset 0x%x for flipping bits..\n", (__u32)pos));
-		
-		retlen = flash_safe_read(fmc->mtd, pos,
-					 &read_buf1[0], READ_AHEAD_BYTES);
-		retlen &= ~3;
-		
-		for(cnt = 0; cnt < NUM_REREADS; cnt++){
-			(void)flash_safe_read(fmc->mtd, pos,
-					      &read_buf2[0], READ_AHEAD_BYTES);
-			
-			for (i=0 ; i < retlen ; i+=4) {
-				/* buffers MUST match, double word for word! */
-				if(*((__u32 *) &read_buf1[i]) !=
-				   *((__u32 *) &read_buf2[i])
-				   ){
-				        /* flipping bits detected, time to erase sector */
-					/* This will help us log some statistics etc. */
-					D1(printk("Flipping bits detected in re-read round:%i of %i\n",
-					       cnt, NUM_REREADS));
-					D1(printk("check_partly_erased_sectors:flipping bits detected"
-						  " @offset:0x%x(0x%x!=0x%x)\n",
-						  (__u32)pos+i, *((__u32 *) &read_buf1[i]), 
-						  *((__u32 *) &read_buf2[i])));
-					
-				        /* calculate start of present sector */
-					offset = (((__u32)pos+i)/(__u32)fmc->sector_size) * (__u32)fmc->sector_size;
-					
-					D1(printk("check_partly_erased_sector():erasing sector starting 0x%x.\n",
-						  offset));
-					
-					if (flash_erase_region(fmc->mtd,
-							       offset, fmc->sector_size) < 0) {
-						printk(KERN_ERR "JFFS: Erase of flash failed. "
-						       "offset = %u, erase_size = %d\n",
-						       offset , fmc->sector_size);
-						
-						err = -EIO;
-						goto returnBack;
-
-					}else{
-						D1(printk("JFFS: Erase of flash sector @0x%x successful.\n",
-						       offset));
-						/* skip ahead to the next sector */
-						pos = (((__u32)pos+i)/(__u32)fmc->sector_size) * (__u32)fmc->sector_size;
-						pos += fmc->sector_size;
-						goto CHECK_NEXT;
-					}
-				}
-			}
-		}
-		pos += READ_AHEAD_BYTES;
-	}
-
- returnBack:
-	kfree(read_buf1);
-	kfree(read_buf2);
-
-	D2(printk("check_partly_erased_sector():Done checking all sectors till offset 0x%x for flipping bits.\n",
-		  (__u32)pos));
-
-	return err;
-
-}/* end check_partly_erased_sectors() */
-
-
-
-/* Scan the whole flash memory in order to find all nodes in the
-   file systems.  */
-static int
-jffs_scan_flash(struct jffs_control *c)
-{
-	char name[JFFS_MAX_NAME_LEN + 2];
-	struct jffs_raw_inode raw_inode;
-	struct jffs_node *node = NULL;
-	struct jffs_fmcontrol *fmc = c->fmc;
-	__u32 checksum;
-	__u8 tmp_accurate;
-	__u16 tmp_chksum;
-	__u32 deleted_file;
-	loff_t pos = 0;
-	loff_t start;
-	loff_t test_start;
-	loff_t end = fmc->flash_size;
-	__u8 *read_buf;
-	int i, len, retlen;
-	__u32 offset;
-
-	__u32 free_chunk_size1;
-	__u32 free_chunk_size2;
-
-	
-#define NUMFREEALLOWED     2        /* 2 chunks of at least erase size space allowed */
-	int num_free_space = 0;       /* Flag err if more than TWO
-				       free blocks found. This is NOT allowed
-				       by the current jffs design.
-				    */
-	int num_free_spc_not_accp = 0; /* For debugging purposed keep count 
-					of how much free space was rejected and
-					marked dirty
-				     */
-
-	D1(printk("jffs_scan_flash(): start pos = 0x%lx, end = 0x%lx\n",
-		  (long)pos, (long)end));
-
-	flash_safe_acquire(fmc->mtd);
-
-	/*
-	  check and make sure that any sector does not suffer
-	  from the "partly erased, bit flipping syndrome" (TM Vipin :)
-	  If so, offending sectors will be erased.
-	*/
-	if(check_partly_erased_sectors(fmc) < 0){
-
-		flash_safe_release(fmc->mtd);
-		return -EIO; /* bad, bad, bad error. Cannot continue.*/
-	}
-
-	/* Allocate read buffer */
-	read_buf = kmalloc(sizeof(__u8) * 4096, GFP_KERNEL);
-	if (!read_buf) {
-		flash_safe_release(fmc->mtd);
-		return -ENOMEM;
-	}
-			      
-	/* Start the scan.  */
-	while (pos < end) {
-		deleted_file = 0;
-
-		/* Remember the position from where we started this scan.  */
-		start = pos;
-
-		switch (flash_read_u32(fmc->mtd, pos)) {
-		case JFFS_EMPTY_BITMASK:
-			/* We have found 0xffffffff at this position.  We have to
-			   scan the rest of the flash till the end or till
-			   something else than 0xffffffff is found.
-		           Keep going till we do not find JFFS_EMPTY_BITMASK 
-			   anymore */
-
-			D1(printk("jffs_scan_flash(): 0xffffffff at pos 0x%lx.\n",
-				  (long)pos));
-
-		        while(pos < end){
-
-			      len = end - pos < 4096 ? end - pos : 4096;
-			      
-			      retlen = flash_safe_read(fmc->mtd, pos,
-						 &read_buf[0], len);
-
-			      retlen &= ~3;
-			      
-			      for (i=0 ; i < retlen ; i+=4, pos += 4) {
-				      if(*((__u32 *) &read_buf[i]) !=
-					 JFFS_EMPTY_BITMASK)
-					break;
-			      }
-			      if (i == retlen)
-				    continue;
-			      else
-				    break;
-			}
-
-			D1(printk("jffs_scan_flash():0xffffffff ended at pos 0x%lx.\n",
-				  (long)pos));
-			
-			/* If some free space ends in the middle of a sector,
-			   treat it as dirty rather than clean.
-			   This is to handle the case where one thread 
-			   allocated space for a node, but didn't get to
-			   actually _write_ it before power was lost, leaving
-			   a gap in the log. Shifting all node writes into
-			   a single kernel thread will fix the original problem.
-			*/
-			if ((__u32) pos % fmc->sector_size) {
-				/* If there was free space in previous 
-				   sectors, don't mark that dirty too - 
-				   only from the beginning of this sector
-				   (or from start) 
-				*/
-
-			        test_start = pos & ~(fmc->sector_size-1); /* end of last sector */
-
-				if (start < test_start) {
-
-				        /* free space started in the previous sector! */
-
-					if((num_free_space < NUMFREEALLOWED) && 
-					   ((unsigned int)(test_start - start) >= fmc->sector_size)){
-
-				                /*
-						  Count it in if we are still under NUMFREEALLOWED *and* it is 
-						  at least 1 erase sector in length. This will keep us from 
-						  picking any little ole' space as "free".
-						*/
-					  
-					        D1(printk("Reducing end of free space to 0x%x from 0x%x\n",
-							  (unsigned int)test_start, (unsigned int)pos));
-
-						D1(printk("Free space accepted: Starting 0x%x for 0x%x bytes\n",
-							  (unsigned int) start,
-							  (unsigned int)(test_start - start)));
-
-						/* below, space from "start" to "pos" will be marked dirty. */
-						start = test_start; 
-						
-						/* Being in here means that we have found at least an entire 
-						   erase sector size of free space ending on a sector boundary.
-						   Keep track of free spaces accepted.
-						*/
-						num_free_space++;
-					}else{
-					        num_free_spc_not_accp++;
-					        D1(printk("Free space (#%i) found but *Not* accepted: Starting"
-							  " 0x%x for 0x%x bytes\n",
-							  num_free_spc_not_accp, (unsigned int)start, 
-							  (unsigned int)((unsigned int)(pos & ~(fmc->sector_size-1)) - (unsigned int)start)));
-					        
-					}
-					
-				}
-				if((((__u32)(pos - start)) != 0)){
-
-				        D1(printk("Dirty space: Starting 0x%x for 0x%x bytes\n",
-						  (unsigned int) start, (unsigned int) (pos - start)));
-					jffs_fmalloced(fmc, (__u32) start,
-						       (__u32) (pos - start), NULL);
-				}else{
-					/* "Flipping bits" detected. This means that our scan for them
-					   did not catch this offset. See check_partly_erased_sectors() for
-					   more info.
-					*/
-				        
-					D1(printk("jffs_scan_flash():wants to allocate dirty flash "
-						  "space for 0 bytes.\n"));
-					D1(printk("jffs_scan_flash(): Flipping bits! We will free "
-						  "all allocated memory, erase this sector and remount\n"));
-
-					/* calculate start of present sector */
-					offset = (((__u32)pos)/(__u32)fmc->sector_size) * (__u32)fmc->sector_size;
-					
-					D1(printk("jffs_scan_flash():erasing sector starting 0x%x.\n",
-						  offset));
-					
-					if (flash_erase_region(fmc->mtd,
-							       offset, fmc->sector_size) < 0) {
-						printk(KERN_ERR "JFFS: Erase of flash failed. "
-						       "offset = %u, erase_size = %d\n",
-						       offset , fmc->sector_size);
-
-						flash_safe_release(fmc->mtd);
-						kfree(read_buf);
-						return -1; /* bad, bad, bad! */
-
-					}
-					flash_safe_release(fmc->mtd);
-					kfree(read_buf);
-
-					return -EAGAIN; /* erased offending sector. Try mount one more time please. */
-				}
-			}else{
-			        /* Being in here means that we have found free space that ends on an erase sector
-				   boundary.
-				   Count it in if we are still under NUMFREEALLOWED *and* it is at least 1 erase 
-				   sector in length. This will keep us from picking any little ole' space as "free".
-				 */
-			         if((num_free_space < NUMFREEALLOWED) && 
-				    ((unsigned int)(pos - start) >= fmc->sector_size)){
-				           /* We really don't do anything to mark space as free, except *not* 
-					      mark it dirty and just advance the "pos" location pointer. 
-					      It will automatically be picked up as free space.
-					    */ 
-				           num_free_space++;
-				           D1(printk("Free space accepted: Starting 0x%x for 0x%x bytes\n",
-						     (unsigned int) start, (unsigned int) (pos - start)));
-				 }else{
-				         num_free_spc_not_accp++;
-					 D1(printk("Free space (#%i) found but *Not* accepted: Starting "
-						   "0x%x for 0x%x bytes\n", num_free_spc_not_accp, 
-						   (unsigned int) start, 
-						   (unsigned int) (pos - start)));
-					 
-					 /* Mark this space as dirty. We already have our free space. */
-					 D1(printk("Dirty space: Starting 0x%x for 0x%x bytes\n",
-						   (unsigned int) start, (unsigned int) (pos - start)));
-					 jffs_fmalloced(fmc, (__u32) start,
-							(__u32) (pos - start), NULL);				           
-				 }
-				 
-			}
-			if(num_free_space > NUMFREEALLOWED){
-			         printk(KERN_WARNING "jffs_scan_flash(): Found free space "
-					"number %i. Only %i free space is allowed.\n",
-					num_free_space, NUMFREEALLOWED);			      
-			}
-			continue;
-
-		case JFFS_DIRTY_BITMASK:
-			/* We have found 0x00000000 at this position.  Scan as far
-			   as possible to find out how much is dirty.  */
-			D1(printk("jffs_scan_flash(): 0x00000000 at pos 0x%lx.\n",
-				  (long)pos));
-			for (; pos < end
-			       && JFFS_DIRTY_BITMASK == flash_read_u32(fmc->mtd, pos);
-			     pos += 4);
-			D1(printk("jffs_scan_flash(): 0x00 ended at "
-				  "pos 0x%lx.\n", (long)pos));
-			jffs_fmalloced(fmc, (__u32) start,
-				       (__u32) (pos - start), NULL);
-			continue;
-
-		case JFFS_MAGIC_BITMASK:
-			/* We have probably found a new raw inode.  */
-			break;
-
-		default:
-		bad_inode:
-			/* We're f*cked.  This is not solved yet.  We have
-			   to scan for the magic pattern.  */
-			D1(printk("*************** Dirty flash memory or "
-				  "bad inode: "
-				  "hexdump(pos = 0x%lx, len = 128):\n",
-				  (long)pos));
-			D1(jffs_hexdump(fmc->mtd, pos, 128));
-
-			for (pos += 4; pos < end; pos += 4) {
-				switch (flash_read_u32(fmc->mtd, pos)) {
-				case JFFS_MAGIC_BITMASK:
-				case JFFS_EMPTY_BITMASK:
-					/* handle these in the main switch() loop */
-					goto cont_scan;
-
-				default:
-					break;
-				}
-			}
-
-			cont_scan:
-			/* First, mark as dirty the region
-			   which really does contain crap. */
-			jffs_fmalloced(fmc, (__u32) start,
-				       (__u32) (pos - start),
-				       NULL);
-			
-			continue;
-		}/* switch */
-
-		/* We have found the beginning of an inode.  Create a
-		   node for it unless there already is one available.  */
-		if (!node) {
-			if (!(node = jffs_alloc_node())) {
-				/* Free read buffer */
-				kfree(read_buf);
-
-				/* Release the flash device */
-				flash_safe_release(fmc->mtd);
-	
-				return -ENOMEM;
-			}
-			DJM(no_jffs_node++);
-		}
-
-		/* Read the next raw inode.  */
-
-		flash_safe_read(fmc->mtd, pos, (u_char *) &raw_inode,
-				sizeof(struct jffs_raw_inode));
-
-		/* When we compute the checksum for the inode, we never
-		   count the 'accurate' or the 'checksum' fields.  */
-		tmp_accurate = raw_inode.accurate;
-		tmp_chksum = raw_inode.chksum;
-		raw_inode.accurate = 0;
-		raw_inode.chksum = 0;
-		checksum = jffs_checksum(&raw_inode,
-					 sizeof(struct jffs_raw_inode));
-		raw_inode.accurate = tmp_accurate;
-		raw_inode.chksum = tmp_chksum;
-
-		D3(printk("*** We have found this raw inode at pos 0x%lx "
-			  "on the flash:\n", (long)pos));
-		D3(jffs_print_raw_inode(&raw_inode));
-
-		if (checksum != raw_inode.chksum) {
-			D1(printk("jffs_scan_flash(): Bad checksum: "
-				  "checksum = %u, "
-				  "raw_inode.chksum = %u\n",
-				  checksum, raw_inode.chksum));
-			pos += sizeof(struct jffs_raw_inode);
-			jffs_fmalloced(fmc, (__u32) start,
-				       (__u32) (pos - start), NULL);
-			/* Reuse this unused struct jffs_node.  */
-			continue;
-		}
-
-		/* Check the raw inode read so far.  Start with the
-		   maximum length of the filename.  */
-		if (raw_inode.nsize > JFFS_MAX_NAME_LEN) {
-			printk(KERN_WARNING "jffs_scan_flash: Found a "
-			       "JFFS node with name too large\n");
-			goto bad_inode;
-		}
-
-		if (raw_inode.rename && raw_inode.dsize != sizeof(__u32)) {
-			printk(KERN_WARNING "jffs_scan_flash: Found a "
-			       "rename node with dsize %u.\n",
-			       raw_inode.dsize);
-			jffs_print_raw_inode(&raw_inode);
-			goto bad_inode;
-		}
-
-		/* The node's data segment should not exceed a
-		   certain length.  */
-		if (raw_inode.dsize > fmc->max_chunk_size) {
-			printk(KERN_WARNING "jffs_scan_flash: Found a "
-			       "JFFS node with dsize (0x%x) > max_chunk_size (0x%x)\n",
-			       raw_inode.dsize, fmc->max_chunk_size);
-			goto bad_inode;
-		}
-
-		pos += sizeof(struct jffs_raw_inode);
-
-		/* This shouldn't be necessary because a node that
-		   violates the flash boundaries shouldn't be written
-		   in the first place. */
-		if (pos >= end) {
-			goto check_node;
-		}
-
-		/* Read the name.  */
-		*name = 0;
-		if (raw_inode.nsize) {
-		        flash_safe_read(fmc->mtd, pos, name, raw_inode.nsize);
-			name[raw_inode.nsize] = '\0';
-			pos += raw_inode.nsize
-			       + JFFS_GET_PAD_BYTES(raw_inode.nsize);
-			D3(printk("name == \"%s\"\n", name));
-			checksum = jffs_checksum(name, raw_inode.nsize);
-			if (checksum != raw_inode.nchksum) {
-				D1(printk("jffs_scan_flash(): Bad checksum: "
-					  "checksum = %u, "
-					  "raw_inode.nchksum = %u\n",
-					  checksum, raw_inode.nchksum));
-				jffs_fmalloced(fmc, (__u32) start,
-					       (__u32) (pos - start), NULL);
-				/* Reuse this unused struct jffs_node.  */
-				continue;
-			}
-			if (pos >= end) {
-				goto check_node;
-			}
-		}
-
-		/* Read the data, if it exists, in order to be sure it
-		   matches the checksum.  */
-		if (raw_inode.dsize) {
-			if (raw_inode.rename) {
-				deleted_file = flash_read_u32(fmc->mtd, pos);
-			}
-			if (jffs_checksum_flash(fmc->mtd, pos, raw_inode.dsize, &checksum)) {
-				printk("jffs_checksum_flash() failed to calculate a checksum\n");
-				jffs_fmalloced(fmc, (__u32) start,
-					       (__u32) (pos - start), NULL);
-				/* Reuse this unused struct jffs_node.  */
-				continue;
-			}				
-			pos += raw_inode.dsize
-			       + JFFS_GET_PAD_BYTES(raw_inode.dsize);
-
-			if (checksum != raw_inode.dchksum) {
-				D1(printk("jffs_scan_flash(): Bad checksum: "
-					  "checksum = %u, "
-					  "raw_inode.dchksum = %u\n",
-					  checksum, raw_inode.dchksum));
-				jffs_fmalloced(fmc, (__u32) start,
-					       (__u32) (pos - start), NULL);
-				/* Reuse this unused struct jffs_node.  */
-				continue;
-			}
-		}
-
-		check_node:
-
-		/* Remember the highest inode number in the whole file
-		   system.  This information will be used when assigning
-		   new files new inode numbers.  */
-		if (c->next_ino <= raw_inode.ino) {
-			c->next_ino = raw_inode.ino + 1;
-		}
-
-		if (raw_inode.accurate) {
-			int err;
-			node->data_offset = raw_inode.offset;
-			node->data_size = raw_inode.dsize;
-			node->removed_size = raw_inode.rsize;
-			/* Compute the offset to the actual data in the
-			   on-flash node.  */
-			node->fm_offset
-			= sizeof(struct jffs_raw_inode)
-			  + raw_inode.nsize
-			  + JFFS_GET_PAD_BYTES(raw_inode.nsize);
-			node->fm = jffs_fmalloced(fmc, (__u32) start,
-						  (__u32) (pos - start),
-						  node);
-			if (!node->fm) {
-				D(printk("jffs_scan_flash(): !node->fm\n"));
-				jffs_free_node(node);
-				DJM(no_jffs_node--);
-
-				/* Free read buffer */
-				kfree(read_buf);
-
-				/* Release the flash device */
-				flash_safe_release(fmc->mtd);
-
-				return -ENOMEM;
-			}
-			if ((err = jffs_insert_node(c, NULL, &raw_inode,
-						    name, node)) < 0) {
-				printk("JFFS: Failed to handle raw inode. "
-				       "(err = %d)\n", err);
-				break;
-			}
-			if (raw_inode.rename) {
-				struct jffs_delete_list *dl
-				= (struct jffs_delete_list *)
-				  kmalloc(sizeof(struct jffs_delete_list),
-					  GFP_KERNEL);
-				if (!dl) {
-					D(printk("jffs_scan_flash: !dl\n"));
-					jffs_free_node(node);
-					DJM(no_jffs_node--);
-
-					/* Release the flash device */
-					flash_safe_release(fmc->flash_part);
-
-					/* Free read buffer */
-					kfree(read_buf);
-
-					return -ENOMEM;
-				}
-				dl->ino = deleted_file;
-				dl->next = c->delete_list;
-				c->delete_list = dl;
-				node->data_size = 0;
-			}
-			D3(jffs_print_node(node));
-			node = NULL; /* Don't free the node!  */
-		}
-		else {
-			jffs_fmalloced(fmc, (__u32) start,
-				       (__u32) (pos - start), NULL);
-			D3(printk("jffs_scan_flash(): Just found an obsolete "
-				  "raw_inode. Continuing the scan...\n"));
-			/* Reuse this unused struct jffs_node.  */
-		}
-	}
-
-	if (node) {
-		jffs_free_node(node);
-		DJM(no_jffs_node--);
-	}
-	jffs_build_end(fmc);
-
-	/* Free read buffer */
-	kfree(read_buf);
-
-	if(!num_free_space){
-	        printk(KERN_WARNING "jffs_scan_flash(): Did not find even a single "
-		       "chunk of free space. This is BAD!\n");
-	}
-
-	/* Return happy */
-	D3(printk("jffs_scan_flash(): Leaving...\n"));
-	flash_safe_release(fmc->mtd);
-
-	/* This is to trap the "free size accounting screwed error. */
-	free_chunk_size1 = jffs_free_size1(fmc);
-	free_chunk_size2 = jffs_free_size2(fmc);
-
-	if (free_chunk_size1 + free_chunk_size2 != fmc->free_size) {
-
-		printk(KERN_WARNING "jffs_scan_falsh():Free size accounting screwed\n");
-		printk(KERN_WARNING "jfffs_scan_flash():free_chunk_size1 == 0x%x, "
-		       "free_chunk_size2 == 0x%x, fmc->free_size == 0x%x\n", 
-		       free_chunk_size1, free_chunk_size2, fmc->free_size);
-
-		return -1; /* Do NOT mount f/s so that we can inspect what happened.
-			      Mounting this  screwed up f/s will screw us up anyway.
-			    */
-	}	
-
-	return 0; /* as far as we are concerned, we are happy! */
-} /* jffs_scan_flash()  */
-
-
-/* Insert any kind of node into the file system.  Take care of data
-   insertions and deletions.  Also remove redundant information. The
-   memory allocated for the `name' is regarded as "given away" in the
-   caller's perspective.  */
-int
-jffs_insert_node(struct jffs_control *c, struct jffs_file *f,
-		 const struct jffs_raw_inode *raw_inode,
-		 const char *name, struct jffs_node *node)
-{
-	int update_name = 0;
-	int insert_into_tree = 0;
-
-	D2(printk("jffs_insert_node(): ino = %u, version = %u, "
-		  "name = \"%s\", deleted = %d\n",
-		  raw_inode->ino, raw_inode->version,
-		  ((name && *name) ? name : ""), raw_inode->deleted));
-
-	/* If there doesn't exist an associated jffs_file, then
-	   create, initialize and insert one into the file system.  */
-	if (!f && !(f = jffs_find_file(c, raw_inode->ino))) {
-		if (!(f = jffs_create_file(c, raw_inode))) {
-			return -ENOMEM;
-		}
-		jffs_insert_file_into_hash(f);
-		insert_into_tree = 1;
-	}
-	node->ino = raw_inode->ino;
-	node->version = raw_inode->version;
-	node->data_size = raw_inode->dsize;
-	node->fm_offset = sizeof(struct jffs_raw_inode) + raw_inode->nsize
-			  + JFFS_GET_PAD_BYTES(raw_inode->nsize);
-	node->name_size = raw_inode->nsize;
-
-	/* Now insert the node at the correct position into the file's
-	   version list.  */
-	if (!f->version_head) {
-		/* This is the first node.  */
-		f->version_head = node;
-		f->version_tail = node;
-		node->version_prev = NULL;
-		node->version_next = NULL;
-		f->highest_version = node->version;
-		update_name = 1;
-		f->mode = raw_inode->mode;
-		f->uid = raw_inode->uid;
-		f->gid = raw_inode->gid;
-		f->atime = raw_inode->atime;
-		f->mtime = raw_inode->mtime;
-		f->ctime = raw_inode->ctime;
-	}
-	else if ((f->highest_version < node->version)
-		 || (node->version == 0)) {
-		/* Insert at the end of the list.  I.e. this node is the
-		   newest one so far.  */
-		node->version_prev = f->version_tail;
-		node->version_next = NULL;
-		f->version_tail->version_next = node;
-		f->version_tail = node;
-		f->highest_version = node->version;
-		update_name = 1;
-		f->pino = raw_inode->pino;
-		f->mode = raw_inode->mode;
-		f->uid = raw_inode->uid;
-		f->gid = raw_inode->gid;
-		f->atime = raw_inode->atime;
-		f->mtime = raw_inode->mtime;
-		f->ctime = raw_inode->ctime;
-	}
-	else if (f->version_head->version > node->version) {
-		/* Insert at the bottom of the list.  */
-		node->version_prev = NULL;
-		node->version_next = f->version_head;
-		f->version_head->version_prev = node;
-		f->version_head = node;
-		if (!f->name) {
-			update_name = 1;
-		}
-	}
-	else {
-		struct jffs_node *n;
-		int newer_name = 0;
-		/* Search for the insertion position starting from
-		   the tail (newest node).  */
-		for (n = f->version_tail; n; n = n->version_prev) {
-			if (n->version < node->version) {
-				node->version_prev = n;
-				node->version_next = n->version_next;
-				node->version_next->version_prev = node;
-				n->version_next = node;
-				if (!newer_name) {
-					update_name = 1;
-				}
-				break;
-			}
-			if (n->name_size) {
-				newer_name = 1;
-			}
-		}
-	}
-
-	/* Deletion is irreversible. If any 'deleted' node is ever
-	   written, the file is deleted */
-	if (raw_inode->deleted)
-		f->deleted = raw_inode->deleted;
-
-	/* Perhaps update the name.  */
-	if (raw_inode->nsize && update_name && name && *name && (name != f->name)) {
-		if (f->name) {
-			kfree(f->name);
-			DJM(no_name--);
-		}
-		if (!(f->name = kmalloc(raw_inode->nsize + 1,
-						 GFP_KERNEL))) {
-			return -ENOMEM;
-		}
-		DJM(no_name++);
-		memcpy(f->name, name, raw_inode->nsize);
-		f->name[raw_inode->nsize] = '\0';
-		f->nsize = raw_inode->nsize;
-		D3(printk("jffs_insert_node(): Updated the name of "
-			  "the file to \"%s\".\n", name));
-	}
-
-	if (!c->building_fs) {
-		D3(printk("jffs_insert_node(): ---------------------------"
-			  "------------------------------------------- 1\n"));
-		if (insert_into_tree) {
-			jffs_insert_file_into_tree(f);
-		}
-		/* Once upon a time, we would call jffs_possibly_delete_file()
-		   here. That causes an oops if someone's still got the file
-		   open, so now we only do it in jffs_delete_inode()
-		   -- dwmw2
-		*/
-		if (node->data_size || node->removed_size) {
-			jffs_update_file(f, node);
-		}
-		jffs_remove_redundant_nodes(f);
-
-		jffs_garbage_collect_trigger(c);
-
-		D3(printk("jffs_insert_node(): ---------------------------"
-			  "------------------------------------------- 2\n"));
-	}
-
-	return 0;
-} /* jffs_insert_node()  */
-
-
-/* Unlink a jffs_node from the version list it is in.  */
-static inline void
-jffs_unlink_node_from_version_list(struct jffs_file *f,
-				   struct jffs_node *node)
-{
-	if (node->version_prev) {
-		node->version_prev->version_next = node->version_next;
-	} else {
-		f->version_head = node->version_next;
-	}
-	if (node->version_next) {
-		node->version_next->version_prev = node->version_prev;
-	} else {
-		f->version_tail = node->version_prev;
-	}
-}
-
-
-/* Unlink a jffs_node from the range list it is in.  */
-static inline void
-jffs_unlink_node_from_range_list(struct jffs_file *f, struct jffs_node *node)
-{
-	if (node->range_prev) {
-		node->range_prev->range_next = node->range_next;
-	}
-	else {
-		f->range_head = node->range_next;
-	}
-	if (node->range_next) {
-		node->range_next->range_prev = node->range_prev;
-	}
-	else {
-		f->range_tail = node->range_prev;
-	}
-}
-
-
-/* Function used by jffs_remove_redundant_nodes() below.  This function
-   classifies what kind of information a node adds to a file.  */
-static inline __u8
-jffs_classify_node(struct jffs_node *node)
-{
-	__u8 mod_type = JFFS_MODIFY_INODE;
-
-	if (node->name_size) {
-		mod_type |= JFFS_MODIFY_NAME;
-	}
-	if (node->data_size || node->removed_size) {
-		mod_type |= JFFS_MODIFY_DATA;
-	}
-	return mod_type;
-}
-
-
-/* Remove redundant nodes from a file.  Mark the on-flash memory
-   as dirty.  */
-static int
-jffs_remove_redundant_nodes(struct jffs_file *f)
-{
-	struct jffs_node *newest_node;
-	struct jffs_node *cur;
-	struct jffs_node *prev;
-	__u8 newest_type;
-	__u8 mod_type;
-	__u8 node_with_name_later = 0;
-
-	if (!(newest_node = f->version_tail)) {
-		return 0;
-	}
-
-	/* What does the `newest_node' modify?  */
-	newest_type = jffs_classify_node(newest_node);
-	node_with_name_later = newest_type & JFFS_MODIFY_NAME;
-
-	D3(printk("jffs_remove_redundant_nodes(): ino: %u, name: \"%s\", "
-		  "newest_type: %u\n", f->ino, (f->name ? f->name : ""),
-		  newest_type));
-
-	/* Traverse the file's nodes and determine which of them that are
-	   superfluous.  Yeah, this might look very complex at first
-	   glance but it is actually very simple.  */
-	for (cur = newest_node->version_prev; cur; cur = prev) {
-		prev = cur->version_prev;
-		mod_type = jffs_classify_node(cur);
-		if ((mod_type <= JFFS_MODIFY_INODE)
-		    || ((newest_type & JFFS_MODIFY_NAME)
-			&& (mod_type
-			    <= (JFFS_MODIFY_INODE + JFFS_MODIFY_NAME)))
-		    || (cur->data_size == 0 && cur->removed_size
-			&& !cur->version_prev && node_with_name_later)) {
-			/* Yes, this node is redundant. Remove it.  */
-			D2(printk("jffs_remove_redundant_nodes(): "
-				  "Removing node: ino: %u, version: %u, "
-				  "mod_type: %u\n", cur->ino, cur->version,
-				  mod_type));
-			jffs_unlink_node_from_version_list(f, cur);
-			jffs_fmfree(f->c->fmc, cur->fm, cur);
-			jffs_free_node(cur);
-			DJM(no_jffs_node--);
-		}
-		else {
-			node_with_name_later |= (mod_type & JFFS_MODIFY_NAME);
-		}
-	}
-
-	return 0;
-}
-
-
-/* Insert a file into the hash table.  */
-static int
-jffs_insert_file_into_hash(struct jffs_file *f)
-{
-	int i = f->ino % f->c->hash_len;
-
-	D3(printk("jffs_insert_file_into_hash(): f->ino: %u\n", f->ino));
-
-	list_add(&f->hash, &f->c->hash[i]);
-	return 0;
-}
-
-
-/* Insert a file into the file system tree.  */
-int
-jffs_insert_file_into_tree(struct jffs_file *f)
-{
-	struct jffs_file *parent;
-
-	D3(printk("jffs_insert_file_into_tree(): name: \"%s\"\n",
-		  (f->name ? f->name : "")));
-
-	if (!(parent = jffs_find_file(f->c, f->pino))) {
-		if (f->pino == 0) {
-			f->c->root = f;
-			f->parent = NULL;
-			f->sibling_prev = NULL;
-			f->sibling_next = NULL;
-			return 0;
-		}
-		else {
-			D1(printk("jffs_insert_file_into_tree(): Found "
-				  "inode with no parent and pino == %u\n",
-				  f->pino));
-			return -1;
-		}
-	}
-	f->parent = parent;
-	f->sibling_next = parent->children;
-	if (f->sibling_next) {
-		f->sibling_next->sibling_prev = f;
-	}
-	f->sibling_prev = NULL;
-	parent->children = f;
-	return 0;
-}
-
-
-/* Remove a file from the hash table.  */
-static int
-jffs_unlink_file_from_hash(struct jffs_file *f)
-{
-	D3(printk("jffs_unlink_file_from_hash(): f: 0x%p, "
-		  "ino %u\n", f, f->ino));
-
-	list_del(&f->hash);
-	return 0;
-}
-
-
-/* Just remove the file from the parent's children.  Don't free
-   any memory.  */
-int
-jffs_unlink_file_from_tree(struct jffs_file *f)
-{
-	D3(printk("jffs_unlink_file_from_tree(): ino: %d, pino: %d, name: "
-		  "\"%s\"\n", f->ino, f->pino, (f->name ? f->name : "")));
-
-	if (f->sibling_prev) {
-		f->sibling_prev->sibling_next = f->sibling_next;
-	}
-	else if (f->parent) {
-	        D3(printk("f->parent=%p\n", f->parent));
-		f->parent->children = f->sibling_next;
-	}
-	if (f->sibling_next) {
-		f->sibling_next->sibling_prev = f->sibling_prev;
-	}
-	return 0;
-}
-
-
-/* Find a file with its inode number.  */
-struct jffs_file *
-jffs_find_file(struct jffs_control *c, __u32 ino)
-{
-	struct jffs_file *f;
-	int i = ino % c->hash_len;
-
-	D3(printk("jffs_find_file(): ino: %u\n", ino));
-
-	list_for_each_entry(f, &c->hash[i], hash) {
-		if (ino != f->ino)
-			continue;
-		D3(printk("jffs_find_file(): Found file with ino "
-			       "%u. (name: \"%s\")\n",
-			       ino, (f->name ? f->name : ""));
-		);
-		return f;
-	}
-	D3(printk("jffs_find_file(): Didn't find file "
-			 "with ino %u.\n", ino);
-	);
-	return NULL;
-}
-
-
-/* Find a file in a directory.  We are comparing the names.  */
-struct jffs_file *
-jffs_find_child(struct jffs_file *dir, const char *name, int len)
-{
-	struct jffs_file *f;
-
-	D3(printk("jffs_find_child()\n"));
-
-	for (f = dir->children; f; f = f->sibling_next) {
-		if (!f->deleted && f->name
-		    && !strncmp(f->name, name, len)
-		    && f->name[len] == '\0') {
-			break;
-		}
-	}
-
-	D3(if (f) {
-		printk("jffs_find_child(): Found \"%s\".\n", f->name);
-	}
-	else {
-		char *copy = kmalloc(len + 1, GFP_KERNEL);
-		if (copy) {
-			memcpy(copy, name, len);
-			copy[len] = '\0';
-		}
-		printk("jffs_find_child(): Didn't find the file \"%s\".\n",
-		       (copy ? copy : ""));
-		kfree(copy);
-	});
-
-	return f;
-}
-
-
-/* Write a raw inode that takes up a certain amount of space in the flash
-   memory.  At the end of the flash device, there is often space that is
-   impossible to use.  At these times we want to mark this space as not
-   used.  In the cases when the amount of space is greater or equal than
-   a struct jffs_raw_inode, we write a "dummy node" that takes up this
-   space.  The space after the raw inode, if it exists, is left as it is.
-   Since this space after the raw inode contains JFFS_EMPTY_BITMASK bytes,
-   we can compute the checksum of it; we don't have to manipulate it any
-   further.
-
-   If the space left on the device is less than the size of a struct
-   jffs_raw_inode, this space is filled with JFFS_DIRTY_BITMASK bytes.
-   No raw inode is written this time.  */
-static int
-jffs_write_dummy_node(struct jffs_control *c, struct jffs_fm *dirty_fm)
-{
-	struct jffs_fmcontrol *fmc = c->fmc;
-	int err;
-
-	D1(printk("jffs_write_dummy_node(): dirty_fm->offset = 0x%08x, "
-		  "dirty_fm->size = %u\n",
-		  dirty_fm->offset, dirty_fm->size));
-
-	if (dirty_fm->size >= sizeof(struct jffs_raw_inode)) {
-		struct jffs_raw_inode raw_inode;
-		memset(&raw_inode, 0, sizeof(struct jffs_raw_inode));
-		raw_inode.magic = JFFS_MAGIC_BITMASK;
-		raw_inode.dsize = dirty_fm->size
-				  - sizeof(struct jffs_raw_inode);
-		raw_inode.dchksum = raw_inode.dsize * 0xff;
-		raw_inode.chksum
-		= jffs_checksum(&raw_inode, sizeof(struct jffs_raw_inode));
-
-		if ((err = flash_safe_write(fmc->mtd,
-					    dirty_fm->offset,
-					    (u_char *)&raw_inode,
-					    sizeof(struct jffs_raw_inode)))
-		    < 0) {
-			printk(KERN_ERR "JFFS: jffs_write_dummy_node: "
-			       "flash_safe_write failed!\n");
-			return err;
-		}
-	}
-	else {
-		flash_safe_acquire(fmc->mtd);
-		flash_memset(fmc->mtd, dirty_fm->offset, 0, dirty_fm->size);
-		flash_safe_release(fmc->mtd);
-	}
-
-	D3(printk("jffs_write_dummy_node(): Leaving...\n"));
-	return 0;
-}
-
-
-/* Write a raw inode, possibly its name and possibly some data.  */
-int
-jffs_write_node(struct jffs_control *c, struct jffs_node *node,
-		struct jffs_raw_inode *raw_inode,
-		const char *name, const unsigned char *data,
-		int recoverable,
-		struct jffs_file *f)
-{
-	struct jffs_fmcontrol *fmc = c->fmc;
-	struct jffs_fm *fm;
-	struct kvec node_iovec[4];
-	unsigned long iovec_cnt;
-
-	__u32 pos;
-	int err;
-	__u32 slack = 0;
-
-	__u32 total_name_size = raw_inode->nsize
-				+ JFFS_GET_PAD_BYTES(raw_inode->nsize);
-	__u32 total_data_size = raw_inode->dsize
-				+ JFFS_GET_PAD_BYTES(raw_inode->dsize);
-	__u32 total_size = sizeof(struct jffs_raw_inode)
-			   + total_name_size + total_data_size;
-	
-	/* If this node isn't something that will eventually let
-	   GC free even more space, then don't allow it unless
-	   there's at least max_chunk_size space still available
-	*/
-	if (!recoverable)
-		slack = fmc->max_chunk_size;
-		
-
-	/* Fire the retrorockets and shoot the fruiton torpedoes, sir!  */
-
-	ASSERT(if (!node) {
-		printk("jffs_write_node(): node == NULL\n");
-		return -EINVAL;
-	});
-	ASSERT(if (raw_inode && raw_inode->nsize && !name) {
-		printk("*** jffs_write_node(): nsize = %u but name == NULL\n",
-		       raw_inode->nsize);
-		return -EINVAL;
-	});
-
-	D1(printk("jffs_write_node(): filename = \"%s\", ino = %u, "
-		  "total_size = %u\n",
-		  (name ? name : ""), raw_inode->ino,
-		  total_size));
-
-	jffs_fm_write_lock(fmc);
-
-retry:
-	fm = NULL;
-	err = 0;
-	while (!fm) {
-
-		/* Deadlocks suck. */
-		while(fmc->free_size < fmc->min_free_size + total_size + slack) {
-			jffs_fm_write_unlock(fmc);
-			if (!JFFS_ENOUGH_SPACE(c, total_size + slack))
-				return -ENOSPC;
-			jffs_fm_write_lock(fmc);
-		}
-
-		/* First try to allocate some flash memory.  */
-		err = jffs_fmalloc(fmc, total_size, node, &fm);
-		
-		if (err == -ENOSPC) {
-			/* Just out of space. GC and try again */
-			if (fmc->dirty_size < fmc->sector_size) {
-				D(printk("jffs_write_node(): jffs_fmalloc(0x%p, %u) "
-					 "failed, no dirty space to GC\n", fmc,
-					 total_size));
-				return err;
-			}
-			
-			D1(printk(KERN_INFO "jffs_write_node(): Calling jffs_garbage_collect_now()\n"));
-			jffs_fm_write_unlock(fmc);
-			if ((err = jffs_garbage_collect_now(c))) {
-				D(printk("jffs_write_node(): jffs_garbage_collect_now() failed\n"));
-				return err;
-			}
-			jffs_fm_write_lock(fmc);
-			continue;
-		} 
-
-		if (err < 0) {
-			jffs_fm_write_unlock(fmc);
-
-			D(printk("jffs_write_node(): jffs_fmalloc(0x%p, %u) "
-				 "failed!\n", fmc, total_size));
-			return err;
-		}
-
-		if (!fm->nodes) {
-			/* The jffs_fm struct that we got is not good enough.
-			   Make that space dirty and try again  */
-			if ((err = jffs_write_dummy_node(c, fm)) < 0) {
-				kfree(fm);
-				DJM(no_jffs_fm--);
-				jffs_fm_write_unlock(fmc);
-				D(printk("jffs_write_node(): "
-					 "jffs_write_dummy_node(): Failed!\n"));
-				return err;
-			}
-			fm = NULL;
-		}
-	} /* while(!fm) */
-	node->fm = fm;
-
-	ASSERT(if (fm->nodes == 0) {
-		printk(KERN_ERR "jffs_write_node(): fm->nodes == 0\n");
-	});
-
-	pos = node->fm->offset;
-
-	/* Increment the version number here. We can't let the caller
-	   set it beforehand, because we might have had to do GC on a node
-	   of this file - and we'd end up reusing version numbers.
-	*/
-	if (f) {
-		raw_inode->version = f->highest_version + 1;
-		D1(printk (KERN_NOTICE "jffs_write_node(): setting version of %s to %d\n", f->name, raw_inode->version));
-
-		/* if the file was deleted, set the deleted bit in the raw inode */
-		if (f->deleted)
-			raw_inode->deleted = 1;
-	}
-
-	/* Compute the checksum for the data and name chunks.  */
-	raw_inode->dchksum = jffs_checksum(data, raw_inode->dsize);
-	raw_inode->nchksum = jffs_checksum(name, raw_inode->nsize);
-
-	/* The checksum is calculated without the chksum and accurate
-	   fields so set them to zero first.  */
-	raw_inode->accurate = 0;
-	raw_inode->chksum = 0;
-	raw_inode->chksum = jffs_checksum(raw_inode,
-					  sizeof(struct jffs_raw_inode));
-	raw_inode->accurate = 0xff;
-
-	D3(printk("jffs_write_node(): About to write this raw inode to the "
-		  "flash at pos 0x%lx:\n", (long)pos));
-	D3(jffs_print_raw_inode(raw_inode));
-
-	/* The actual raw JFFS node */
-	node_iovec[0].iov_base = (void *) raw_inode;
-	node_iovec[0].iov_len = (size_t) sizeof(struct jffs_raw_inode);
-	iovec_cnt = 1;
-
-	/* Get name and size if there is one */
-	if (raw_inode->nsize) {
-		node_iovec[iovec_cnt].iov_base = (void *) name;
-		node_iovec[iovec_cnt].iov_len = (size_t) raw_inode->nsize;
-		iovec_cnt++;
-
-		if (JFFS_GET_PAD_BYTES(raw_inode->nsize)) {
-			static unsigned char allff[3]={255,255,255};
-			/* Add some extra padding if necessary */
-			node_iovec[iovec_cnt].iov_base = allff;
-			node_iovec[iovec_cnt].iov_len =
-				JFFS_GET_PAD_BYTES(raw_inode->nsize);
-			iovec_cnt++;
-		}
-	}
-
-	/* Get data and size if there is any */
-	if (raw_inode->dsize) {
-		node_iovec[iovec_cnt].iov_base = (void *) data;
-		node_iovec[iovec_cnt].iov_len = (size_t) raw_inode->dsize;
-		iovec_cnt++;
-		/* No need to pad this because we're not actually putting
-		   anything after it.
-		*/
-	}
-
-	if ((err = flash_safe_writev(fmc->mtd, node_iovec, iovec_cnt,
-				    pos)) < 0) {
-		jffs_fmfree_partly(fmc, fm, 0);
-		jffs_fm_write_unlock(fmc);
-		printk(KERN_ERR "JFFS: jffs_write_node: Failed to write, "
-		       "requested %i, wrote %i\n", total_size, err);
-		goto retry;
-	}
-	if (raw_inode->deleted)
-		f->deleted = 1;
-
-	jffs_fm_write_unlock(fmc);
-	D3(printk("jffs_write_node(): Leaving...\n"));
-	return raw_inode->dsize;
-} /* jffs_write_node()  */
-
-
-/* Read data from the node and write it to the buffer.  'node_offset'
-   is how much we have read from this particular node before and which
-   shouldn't be read again.  'max_size' is how much space there is in
-   the buffer.  */
-static int
-jffs_get_node_data(struct jffs_file *f, struct jffs_node *node, 
-		   unsigned char *buf,__u32 node_offset, __u32 max_size)
-{
-	struct jffs_fmcontrol *fmc = f->c->fmc;
-	__u32 pos = node->fm->offset + node->fm_offset + node_offset;
-	__u32 avail = node->data_size - node_offset;
-	__u32 r;
-
-	D2(printk("  jffs_get_node_data(): file: \"%s\", ino: %u, "
-		  "version: %u, node_offset: %u\n",
-		  f->name, node->ino, node->version, node_offset));
-
-	r = min(avail, max_size);
-	D3(printk(KERN_NOTICE "jffs_get_node_data\n"));
-	flash_safe_read(fmc->mtd, pos, buf, r);
-
-	D3(printk("  jffs_get_node_data(): Read %u byte%s.\n",
-		  r, (r == 1 ? "" : "s")));
-
-	return r;
-}
-
-
-/* Read data from the file's nodes.  Write the data to the buffer
-   'buf'.  'read_offset' tells how much data we should skip.  */
-int
-jffs_read_data(struct jffs_file *f, unsigned char *buf, __u32 read_offset,
-	       __u32 size)
-{
-	struct jffs_node *node;
-	__u32 read_data = 0; /* Total amount of read data.  */
-	__u32 node_offset = 0;
-	__u32 pos = 0; /* Number of bytes traversed.  */
-
-	D2(printk("jffs_read_data(): file = \"%s\", read_offset = %d, "
-		  "size = %u\n",
-		  (f->name ? f->name : ""), read_offset, size));
-
-	if (read_offset >= f->size) {
-		D(printk("  f->size: %d\n", f->size));
-		return 0;
-	}
-
-	/* First find the node to read data from.  */
-	node = f->range_head;
-	while (pos <= read_offset) {
-		node_offset = read_offset - pos;
-		if (node_offset >= node->data_size) {
-			pos += node->data_size;
-			node = node->range_next;
-		}
-		else {
-			break;
-		}
-	}
-
-	/* "Cats are living proof that not everything in nature
-	   has to be useful."
-	   - Garrison Keilor ('97)  */
-
-	/* Fill the buffer.  */
-	while (node && (read_data < size)) {
-		int r;
-		if (!node->fm) {
-			/* This node does not refer to real data.  */
-			r = min(size - read_data,
-				     node->data_size - node_offset);
-			memset(&buf[read_data], 0, r);
-		}
-		else if ((r = jffs_get_node_data(f, node, &buf[read_data],
-						 node_offset,
-						 size - read_data)) < 0) {
-			return r;
-		}
-		read_data += r;
-		node_offset = 0;
-		node = node->range_next;
-	}
-	D3(printk("  jffs_read_data(): Read %u bytes.\n", read_data));
-	return read_data;
-}
-
-
-/* Used for traversing all nodes in the hash table.  */
-int
-jffs_foreach_file(struct jffs_control *c, int (*func)(struct jffs_file *))
-{
-	int pos;
-	int r;
-	int result = 0;
-
-	for (pos = 0; pos < c->hash_len; pos++) {
-		struct jffs_file *f, *next;
-
-		/* We must do _safe, because 'func' might remove the
-		   current file 'f' from the list.  */
-		list_for_each_entry_safe(f, next, &c->hash[pos], hash) {
-			r = func(f);
-			if (r < 0)
-				return r;
-			result += r;
-		}
-	}
-
-	return result;
-}
-
-
-/* Free all nodes associated with a file.  */
-static int
-jffs_free_node_list(struct jffs_file *f)
-{
-	struct jffs_node *node;
-	struct jffs_node *p;
-
-	D3(printk("jffs_free_node_list(): f #%u, \"%s\"\n",
-		  f->ino, (f->name ? f->name : "")));
-	node = f->version_head;
-	while (node) {
-		p = node;
-		node = node->version_next;
-		jffs_free_node(p);
-		DJM(no_jffs_node--);
-	}
-	return 0;
-}
-
-
-/* Free a file and its name.  */
-static int
-jffs_free_file(struct jffs_file *f)
-{
-	D3(printk("jffs_free_file: f #%u, \"%s\"\n",
-		  f->ino, (f->name ? f->name : "")));
-
-	if (f->name) {
-		kfree(f->name);
-		DJM(no_name--);
-	}
-	kfree(f);
-	no_jffs_file--;
-	return 0;
-}
-
-static long
-jffs_get_file_count(void)
-{
-	return no_jffs_file;
-}
-
-/* See if a file is deleted. If so, mark that file's nodes as obsolete.  */
-int
-jffs_possibly_delete_file(struct jffs_file *f)
-{
-	struct jffs_node *n;
-
-	D3(printk("jffs_possibly_delete_file(): ino: %u\n",
-		  f->ino));
-
-	ASSERT(if (!f) {
-		printk(KERN_ERR "jffs_possibly_delete_file(): f == NULL\n");
-		return -1;
-	});
-
-	if (f->deleted) {
-		/* First try to remove all older versions.  Commence with
-		   the oldest node.  */
-		for (n = f->version_head; n; n = n->version_next) {
-			if (!n->fm) {
-				continue;
-			}
-			if (jffs_fmfree(f->c->fmc, n->fm, n) < 0) {
-				break;
-			}
-		}
-		/* Unlink the file from the filesystem.  */
-		if (!f->c->building_fs) {
-			jffs_unlink_file_from_tree(f);
-		}
-		jffs_unlink_file_from_hash(f);
-		jffs_free_node_list(f);
-		jffs_free_file(f);
-	}
-	return 0;
-}
-
-
-/* Used in conjunction with jffs_foreach_file() to count the number
-   of files in the file system.  */
-int
-jffs_file_count(struct jffs_file *f)
-{
-	return 1;
-}
-
-
-/* Build up a file's range list from scratch by going through the
-   version list.  */
-static int
-jffs_build_file(struct jffs_file *f)
-{
-	struct jffs_node *n;
-
-	D3(printk("jffs_build_file(): ino: %u, name: \"%s\"\n",
-		  f->ino, (f->name ? f->name : "")));
-
-	for (n = f->version_head; n; n = n->version_next) {
-		jffs_update_file(f, n);
-	}
-	return 0;
-}
-
-
-/* Remove an amount of data from a file. If this amount of data is
-   zero, that could mean that a node should be split in two parts.
-   We remove or change the appropriate nodes in the lists.
-
-   Starting offset of area to be removed is node->data_offset,
-   and the length of the area is in node->removed_size.   */
-static int
-jffs_delete_data(struct jffs_file *f, struct jffs_node *node)
-{
-	struct jffs_node *n;
-	__u32 offset = node->data_offset;
-	__u32 remove_size = node->removed_size;
-
-	D3(printk("jffs_delete_data(): offset = %u, remove_size = %u\n",
-		  offset, remove_size));
-
-	if (remove_size == 0
-	    && f->range_tail
-	    && f->range_tail->data_offset + f->range_tail->data_size
-	       == offset) {
-		/* A simple append; nothing to remove or no node to split.  */
-		return 0;
-	}
-
-	/* Find the node where we should begin the removal.  */
-	for (n = f->range_head; n; n = n->range_next) {
-		if (n->data_offset + n->data_size > offset) {
-			break;
-		}
-	}
-	if (!n) {
-		/* If there's no data in the file there's no data to
-		   remove either.  */
-		return 0;
-	}
-
-	if (n->data_offset > offset) {
-		/* XXX: Not implemented yet.  */
-		printk(KERN_WARNING "JFFS: An unexpected situation "
-		       "occurred in jffs_delete_data.\n");
-	}
-	else if (n->data_offset < offset) {
-		/* See if the node has to be split into two parts.  */
-		if (n->data_offset + n->data_size > offset + remove_size) {
-			/* Do the split.  */
-			struct jffs_node *new_node;
-			D3(printk("jffs_delete_data(): Split node with "
-				  "version number %u.\n", n->version));
-
-			if (!(new_node = jffs_alloc_node())) {
-				D(printk("jffs_delete_data(): -ENOMEM\n"));
-				return -ENOMEM;
-			}
-			DJM(no_jffs_node++);
-
-			new_node->ino = n->ino;
-			new_node->version = n->version;
-			new_node->data_offset = offset;
-			new_node->data_size = n->data_size - (remove_size + (offset - n->data_offset));
-			new_node->fm_offset = n->fm_offset + (remove_size + (offset - n->data_offset));
-			new_node->name_size = n->name_size;
-			new_node->fm = n->fm;
-			new_node->version_prev = n;
-			new_node->version_next = n->version_next;
-			if (new_node->version_next) {
-				new_node->version_next->version_prev
-				= new_node;
-			}
-			else {
-				f->version_tail = new_node;
-			}
-			n->version_next = new_node;
-			new_node->range_prev = n;
-			new_node->range_next = n->range_next;
-			if (new_node->range_next) {
-				new_node->range_next->range_prev = new_node;
-			}
-			else {
-				f->range_tail = new_node;
-			}
-			/* A very interesting can of worms.  */
-			n->range_next = new_node;
-			n->data_size = offset - n->data_offset;
-			if (new_node->fm)
-				jffs_add_node(new_node);
-			else {
-				D1(printk(KERN_WARNING "jffs_delete_data(): Splitting an empty node (file hold).\n!"));
-				D1(printk(KERN_WARNING "FIXME: Did dwmw2 do the right thing here?\n"));
-			}
-			n = new_node->range_next;
-			remove_size = 0;
-		}
-		else {
-			/* No.  No need to split the node.  Just remove
-			   the end of the node.  */
-			int r = min(n->data_offset + n->data_size
-					 - offset, remove_size);
-			n->data_size -= r;
-			remove_size -= r;
-			n = n->range_next;
-		}
-	}
-
-	/* Remove as many nodes as necessary.  */
-	while (n && remove_size) {
-		if (n->data_size <= remove_size) {
-			struct jffs_node *p = n;
-			remove_size -= n->data_size;
-			n = n->range_next;
-			D3(printk("jffs_delete_data(): Removing node: "
-				  "ino: %u, version: %u%s\n",
-				  p->ino, p->version,
-				  (p->fm ? "" : " (virtual)")));
-			if (p->fm) {
-				jffs_fmfree(f->c->fmc, p->fm, p);
-			}
-			jffs_unlink_node_from_range_list(f, p);
-			jffs_unlink_node_from_version_list(f, p);
-			jffs_free_node(p);
-			DJM(no_jffs_node--);
-		}
-		else {
-			n->data_size -= remove_size;
-			n->fm_offset += remove_size;
-			n->data_offset -= (node->removed_size - remove_size);
-			n = n->range_next;
-			break;
-		}
-	}
-
-	/* Adjust the following nodes' information about offsets etc.  */
-	while (n && node->removed_size) {
-		n->data_offset -= node->removed_size;
-		n = n->range_next;
-	}
-
-	if (node->removed_size > (f->size - node->data_offset)) {
-		/* It's possible that the removed_size is in fact
-		 * greater than the amount of data we actually thought
-		 * were present in the first place - some of the nodes 
-		 * which this node originally obsoleted may already have
-		 * been deleted from the flash by subsequent garbage 
-		 * collection.
-		 *
-		 * If this is the case, don't let f->size go negative.
-		 * Bad things would happen :)
-		 */
-		f->size = node->data_offset;
-	} else {
-		f->size -= node->removed_size;
-	}
-	D3(printk("jffs_delete_data(): f->size = %d\n", f->size));
-	return 0;
-} /* jffs_delete_data()  */
-
-
-/* Insert some data into a file.  Prior to the call to this function,
-   jffs_delete_data should be called.  */
-static int
-jffs_insert_data(struct jffs_file *f, struct jffs_node *node)
-{
-	D3(printk("jffs_insert_data(): node->data_offset = %u, "
-		  "node->data_size = %u, f->size = %u\n",
-		  node->data_offset, node->data_size, f->size));
-
-	/* Find the position where we should insert data.  */
-	retry:
-	if (node->data_offset == f->size) {
-		/* A simple append.  This is the most common operation.  */
-		node->range_next = NULL;
-		node->range_prev = f->range_tail;
-		if (node->range_prev) {
-			node->range_prev->range_next = node;
-		}
-		f->range_tail = node;
-		f->size += node->data_size;
-		if (!f->range_head) {
-			f->range_head = node;
-		}
-	}
-	else if (node->data_offset < f->size) {
-		/* Trying to insert data into the middle of the file.  This
-		   means no problem because jffs_delete_data() has already
-		   prepared the range list for us.  */
-		struct jffs_node *n;
-
-		/* Find the correct place for the insertion and then insert
-		   the node.  */
-		for (n = f->range_head; n; n = n->range_next) {
-			D2(printk("Cool stuff's happening!\n"));
-
-			if (n->data_offset == node->data_offset) {
-				node->range_prev = n->range_prev;
-				if (node->range_prev) {
-					node->range_prev->range_next = node;
-				}
-				else {
-					f->range_head = node;
-				}
-				node->range_next = n;
-				n->range_prev = node;
-				break;
-			}
-			ASSERT(else if (n->data_offset + n->data_size >
-					node->data_offset) {
-				printk(KERN_ERR "jffs_insert_data(): "
-				       "Couldn't find a place to insert "
-				       "the data!\n");
-				return -1;
-			});
-		}
-
-		/* Adjust later nodes' offsets etc.  */
-		n = node->range_next;
-		while (n) {
-			n->data_offset += node->data_size;
-			n = n->range_next;
-		}
-		f->size += node->data_size;
-	}
-	else if (node->data_offset > f->size) {
-		/* Okay.  This is tricky.  This means that we want to insert
-		   data at a place that is beyond the limits of the file as
-		   it is constructed right now.  This is actually a common
-		   event that for instance could occur during the mounting
-		   of the file system if a large file have been truncated,
-		   rewritten and then only partially garbage collected.  */
-
-		struct jffs_node *n;
-
-		/* We need a place holder for the data that is missing in
-		   front of this insertion.  This "virtual node" will not
-		   be associated with any space on the flash device.  */
-		struct jffs_node *virtual_node;
-		if (!(virtual_node = jffs_alloc_node())) {
-			return -ENOMEM;
-		}
-
-		D(printk("jffs_insert_data: Inserting a virtual node.\n"));
-		D(printk("  node->data_offset = %u\n", node->data_offset));
-		D(printk("  f->size = %u\n", f->size));
-
-		virtual_node->ino = node->ino;
-		virtual_node->version = node->version;
-		virtual_node->removed_size = 0;
-		virtual_node->fm_offset = 0;
-		virtual_node->name_size = 0;
-		virtual_node->fm = NULL; /* This is a virtual data holder.  */
-		virtual_node->version_prev = NULL;
-		virtual_node->version_next = NULL;
-		virtual_node->range_next = NULL;
-
-		/* Are there any data at all in the file yet?  */
-		if (f->range_head) {
-			virtual_node->data_offset
-			= f->range_tail->data_offset
-			  + f->range_tail->data_size;
-			virtual_node->data_size
-			= node->data_offset - virtual_node->data_offset;
-			virtual_node->range_prev = f->range_tail;
-			f->range_tail->range_next = virtual_node;
-		}
-		else {
-			virtual_node->data_offset = 0;
-			virtual_node->data_size = node->data_offset;
-			virtual_node->range_prev = NULL;
-			f->range_head = virtual_node;
-		}
-
-		f->range_tail = virtual_node;
-		f->size += virtual_node->data_size;
-
-		/* Insert this virtual node in the version list as well.  */
-		for (n = f->version_head; n ; n = n->version_next) {
-			if (n->version == virtual_node->version) {
-				virtual_node->version_prev = n->version_prev;
-				n->version_prev = virtual_node;
-				if (virtual_node->version_prev) {
-					virtual_node->version_prev
-					->version_next = virtual_node;
-				}
-				else {
-					f->version_head = virtual_node;
-				}
-				virtual_node->version_next = n;
-				break;
-			}
-		}
-
-		D(jffs_print_node(virtual_node));
-
-		/* Make a new try to insert the node.  */
-		goto retry;
-	}
-
-	D3(printk("jffs_insert_data(): f->size = %d\n", f->size));
-	return 0;
-}
-
-
-/* A new node (with data) has been added to the file and now the range
-   list has to be modified.  */
-static int
-jffs_update_file(struct jffs_file *f, struct jffs_node *node)
-{
-	int err;
-
-	D3(printk("jffs_update_file(): ino: %u, version: %u\n",
-		  f->ino, node->version));
-
-	if (node->data_size == 0) {
-		if (node->removed_size == 0) {
-			/* data_offset == X  */
-			/* data_size == 0  */
-			/* remove_size == 0  */
-		}
-		else {
-			/* data_offset == X  */
-			/* data_size == 0  */
-			/* remove_size != 0  */
-			if ((err = jffs_delete_data(f, node)) < 0) {
-				return err;
-			}
-		}
-	}
-	else {
-		/* data_offset == X  */
-		/* data_size != 0  */
-		/* remove_size == Y  */
-		if ((err = jffs_delete_data(f, node)) < 0) {
-			return err;
-		}
-		if ((err = jffs_insert_data(f, node)) < 0) {
-			return err;
-		}
-	}
-	return 0;
-}
-
-/* Print the contents of a file.  */
-#if 0
-int
-jffs_print_file(struct jffs_file *f)
-{
-	D(int i);
-	D(printk("jffs_file: 0x%p\n", f));
-	D(printk("{\n"));
-	D(printk("        0x%08x, /* ino  */\n", f->ino));
-	D(printk("        0x%08x, /* pino  */\n", f->pino));
-	D(printk("        0x%08x, /* mode  */\n", f->mode));
-	D(printk("        0x%04x,     /* uid  */\n", f->uid));
-	D(printk("        0x%04x,     /* gid  */\n", f->gid));
-	D(printk("        0x%08x, /* atime  */\n", f->atime));
-	D(printk("        0x%08x, /* mtime  */\n", f->mtime));
-	D(printk("        0x%08x, /* ctime  */\n", f->ctime));
-	D(printk("        0x%02x,       /* nsize  */\n", f->nsize));
-	D(printk("        0x%02x,       /* nlink  */\n", f->nlink));
-	D(printk("        0x%02x,       /* deleted  */\n", f->deleted));
-	D(printk("        \"%s\", ", (f->name ? f->name : "")));
-	D(for (i = strlen(f->name ? f->name : ""); i < 8; ++i) {
-		printk(" ");
-	});
-	D(printk("/* name  */\n"));
-	D(printk("        0x%08x, /* size  */\n", f->size));
-	D(printk("        0x%08x, /* highest_version  */\n",
-		 f->highest_version));
-	D(printk("        0x%p, /* c  */\n", f->c));
-	D(printk("        0x%p, /* parent  */\n", f->parent));
-	D(printk("        0x%p, /* children  */\n", f->children));
-	D(printk("        0x%p, /* sibling_prev  */\n", f->sibling_prev));
-	D(printk("        0x%p, /* sibling_next  */\n", f->sibling_next));
-	D(printk("        0x%p, /* hash_prev  */\n", f->hash.prev));
-	D(printk("        0x%p, /* hash_next  */\n", f->hash.next));
-	D(printk("        0x%p, /* range_head  */\n", f->range_head));
-	D(printk("        0x%p, /* range_tail  */\n", f->range_tail));
-	D(printk("        0x%p, /* version_head  */\n", f->version_head));
-	D(printk("        0x%p, /* version_tail  */\n", f->version_tail));
-	D(printk("}\n"));
-	return 0;
-}
-#endif  /*  0  */
-
-void
-jffs_print_hash_table(struct jffs_control *c)
-{
-	int i;
-
-	printk("JFFS: Dumping the file system's hash table...\n");
-	for (i = 0; i < c->hash_len; i++) {
-		struct jffs_file *f;
-		list_for_each_entry(f, &c->hash[i], hash) {
-			printk("*** c->hash[%u]: \"%s\" "
-			       "(ino: %u, pino: %u)\n",
-			       i, (f->name ? f->name : ""),
-			       f->ino, f->pino);
-		}
-	}
-}
-
-
-void
-jffs_print_tree(struct jffs_file *first_file, int indent)
-{
-	struct jffs_file *f;
-	char *space;
-	int dir;
-
-	if (!first_file) {
-		return;
-	}
-
-	if (!(space = kmalloc(indent + 1, GFP_KERNEL))) {
-		printk("jffs_print_tree(): Out of memory!\n");
-		return;
-	}
-
-	memset(space, ' ', indent);
-	space[indent] = '\0';
-
-	for (f = first_file; f; f = f->sibling_next) {
-		dir = S_ISDIR(f->mode);
-		printk("%s%s%s (ino: %u, highest_version: %u, size: %u)\n",
-		       space, (f->name ? f->name : ""), (dir ? "/" : ""),
-		       f->ino, f->highest_version, f->size);
-		if (dir) {
-			jffs_print_tree(f->children, indent + 2);
-		}
-	}
-
-	kfree(space);
-}
-
-
-#if defined(JFFS_MEMORY_DEBUG) && JFFS_MEMORY_DEBUG
-void
-jffs_print_memory_allocation_statistics(void)
-{
-	static long printout;
-	printk("________ Memory printout #%ld ________\n", ++printout);
-	printk("no_jffs_file = %ld\n", no_jffs_file);
-	printk("no_jffs_node = %ld\n", no_jffs_node);
-	printk("no_jffs_control = %ld\n", no_jffs_control);
-	printk("no_jffs_raw_inode = %ld\n", no_jffs_raw_inode);
-	printk("no_jffs_node_ref = %ld\n", no_jffs_node_ref);
-	printk("no_jffs_fm = %ld\n", no_jffs_fm);
-	printk("no_jffs_fmcontrol = %ld\n", no_jffs_fmcontrol);
-	printk("no_hash = %ld\n", no_hash);
-	printk("no_name = %ld\n", no_name);
-	printk("\n");
-}
-#endif
-
-
-/* Rewrite `size' bytes, and begin at `node'.  */
-static int
-jffs_rewrite_data(struct jffs_file *f, struct jffs_node *node, __u32 size)
-{
-	struct jffs_control *c = f->c;
-	struct jffs_fmcontrol *fmc = c->fmc;
-	struct jffs_raw_inode raw_inode;
-	struct jffs_node *new_node;
-	struct jffs_fm *fm;
-	__u32 pos;
-	__u32 pos_dchksum;
-	__u32 total_name_size;
-	__u32 total_data_size;
-	__u32 total_size;
-	int err;
-
-	D1(printk("***jffs_rewrite_data(): node: %u, name: \"%s\", size: %u\n",
-		  f->ino, (f->name ? f->name : "(null)"), size));
-
-	/* Create and initialize the new node.  */
-	if (!(new_node = jffs_alloc_node())) {
-		D(printk("jffs_rewrite_data(): "
-			 "Failed to allocate node.\n"));
-		return -ENOMEM;
-	}
-	DJM(no_jffs_node++);
-	new_node->data_offset = node->data_offset;
-	new_node->removed_size = size;
-	total_name_size = JFFS_PAD(f->nsize);
-	total_data_size = JFFS_PAD(size);
-	total_size = sizeof(struct jffs_raw_inode)
-		     + total_name_size + total_data_size;
-	new_node->fm_offset = sizeof(struct jffs_raw_inode)
-			      + total_name_size;
-
-retry:
-	jffs_fm_write_lock(fmc);
-	err = 0;
-
-	if ((err = jffs_fmalloc(fmc, total_size, new_node, &fm)) < 0) {
-		DJM(no_jffs_node--);
-		jffs_fm_write_unlock(fmc);
-		D(printk("jffs_rewrite_data(): Failed to allocate fm.\n"));
-		jffs_free_node(new_node);
-		return err;
-	}
-	else if (!fm->nodes) {
-		/* The jffs_fm struct that we got is not big enough.  */
-		/* This should never happen, because we deal with this case
-		   in jffs_garbage_collect_next().*/
-		printk(KERN_WARNING "jffs_rewrite_data(): Allocated node is too small (%d bytes of %d)\n", fm->size, total_size);
-		if ((err = jffs_write_dummy_node(c, fm)) < 0) {
-			D(printk("jffs_rewrite_data(): "
-				 "jffs_write_dummy_node() Failed!\n"));
-		} else {
-			err = -ENOSPC;
-		}
-		DJM(no_jffs_fm--);
-		jffs_fm_write_unlock(fmc);
-		kfree(fm);
-		
-		return err;
-	}
-	new_node->fm = fm;
-
-	/* Initialize the raw inode.  */
-	raw_inode.magic = JFFS_MAGIC_BITMASK;
-	raw_inode.ino = f->ino;
-	raw_inode.pino = f->pino;
-	raw_inode.version = f->highest_version + 1;
-	raw_inode.mode = f->mode;
-	raw_inode.uid = f->uid;
-	raw_inode.gid = f->gid;
-	raw_inode.atime = f->atime;
-	raw_inode.mtime = f->mtime;
-	raw_inode.ctime = f->ctime;
-	raw_inode.offset = node->data_offset;
-	raw_inode.dsize = size;
-	raw_inode.rsize = size;
-	raw_inode.nsize = f->nsize;
-	raw_inode.nlink = f->nlink;
-	raw_inode.spare = 0;
-	raw_inode.rename = 0;
-	raw_inode.deleted = f->deleted;
-	raw_inode.accurate = 0xff;
-	raw_inode.dchksum = 0;
-	raw_inode.nchksum = 0;
-
-	pos = new_node->fm->offset;
-	pos_dchksum = pos +JFFS_RAW_INODE_DCHKSUM_OFFSET;
-
-	D3(printk("jffs_rewrite_data(): Writing this raw inode "
-		  "to pos 0x%ul.\n", pos));
-	D3(jffs_print_raw_inode(&raw_inode));
-
-	if ((err = flash_safe_write(fmc->mtd, pos,
-				    (u_char *) &raw_inode,
-				    sizeof(struct jffs_raw_inode)
-				    - sizeof(__u32)
-				    - sizeof(__u16) - sizeof(__u16))) < 0) {
-		jffs_fmfree_partly(fmc, fm,
-				   total_name_size + total_data_size);
-		jffs_fm_write_unlock(fmc);
-		printk(KERN_ERR "JFFS: jffs_rewrite_data: Write error during "
-			"rewrite. (raw inode)\n");
-		printk(KERN_ERR "JFFS: jffs_rewrite_data: Now retrying "
-			"rewrite. (raw inode)\n");
-		goto retry;
-	}
-	pos += sizeof(struct jffs_raw_inode);
-
-	/* Write the name to the flash memory.  */
-	if (f->nsize) {
-		D3(printk("jffs_rewrite_data(): Writing name \"%s\" to "
-			  "pos 0x%ul.\n", f->name, (unsigned int) pos));
-		if ((err = flash_safe_write(fmc->mtd, pos,
-					    (u_char *)f->name,
-					    f->nsize)) < 0) {
-			jffs_fmfree_partly(fmc, fm, total_data_size);
-			jffs_fm_write_unlock(fmc);
-			printk(KERN_ERR "JFFS: jffs_rewrite_data: Write "
-				"error during rewrite. (name)\n");
-			printk(KERN_ERR "JFFS: jffs_rewrite_data: Now retrying "
-				"rewrite. (name)\n");
-			goto retry;
-		}
-		pos += total_name_size;
-		raw_inode.nchksum = jffs_checksum(f->name, f->nsize);
-	}
-
-	/* Write the data.  */
-	if (size) {
-		int r;
-		unsigned char *page;
-		__u32 offset = node->data_offset;
-
-		if (!(page = (unsigned char *)__get_free_page(GFP_KERNEL))) {
-			jffs_fmfree_partly(fmc, fm, 0);
-			return -1;
-		}
-
-		while (size) {
-			__u32 s = min(size, (__u32)PAGE_SIZE);
-			if ((r = jffs_read_data(f, (char *)page,
-						offset, s)) < s) {
-				free_page((unsigned long)page);
-				jffs_fmfree_partly(fmc, fm, 0);
-				jffs_fm_write_unlock(fmc);
-				printk(KERN_ERR "JFFS: jffs_rewrite_data: "
-					 "jffs_read_data() "
-					 "failed! (r = %d)\n", r);
-				return -1;
-			}
-			if ((err = flash_safe_write(fmc->mtd,
-						    pos, page, r)) < 0) {
-				free_page((unsigned long)page);
-				jffs_fmfree_partly(fmc, fm, 0);
-				jffs_fm_write_unlock(fmc);
-				printk(KERN_ERR "JFFS: jffs_rewrite_data: "
-				       "Write error during rewrite. "
-				       "(data)\n");
-				goto retry;
-			}
-			pos += r;
-			size -= r;
-			offset += r;
-			raw_inode.dchksum += jffs_checksum(page, r);
-		}
-
-	        free_page((unsigned long)page);
-	}
-
-	raw_inode.accurate = 0;
-	raw_inode.chksum = jffs_checksum(&raw_inode,
-					 sizeof(struct jffs_raw_inode)
-					 - sizeof(__u16));
-
-	/* Add the checksum.  */
-	if ((err
-	     = flash_safe_write(fmc->mtd, pos_dchksum,
-				&((u_char *)
-				&raw_inode)[JFFS_RAW_INODE_DCHKSUM_OFFSET],
-				sizeof(__u32) + sizeof(__u16)
-				+ sizeof(__u16))) < 0) {
-		jffs_fmfree_partly(fmc, fm, 0);
-		jffs_fm_write_unlock(fmc);
-		printk(KERN_ERR "JFFS: jffs_rewrite_data: Write error during "
-		       "rewrite. (checksum)\n");
-		goto retry;
-	}
-
-	/* Now make the file system aware of the newly written node.  */
-	jffs_insert_node(c, f, &raw_inode, f->name, new_node);
-	jffs_fm_write_unlock(fmc);
-
-	D3(printk("jffs_rewrite_data(): Leaving...\n"));
-	return 0;
-} /* jffs_rewrite_data()  */
-
-
-/* jffs_garbage_collect_next implements one step in the garbage collect
-   process and is often called multiple times at each occasion of a
-   garbage collect.  */
-
-static int
-jffs_garbage_collect_next(struct jffs_control *c)
-{
-	struct jffs_fmcontrol *fmc = c->fmc;
-	struct jffs_node *node;
-	struct jffs_file *f;
-	int err = 0;
-	__u32 size;
-	__u32 data_size;
-	__u32 total_name_size;
-	__u32 extra_available;
-	__u32 space_needed;
-	__u32 free_chunk_size1 = jffs_free_size1(fmc);
-	D2(__u32 free_chunk_size2 = jffs_free_size2(fmc));
-
-	/* Get the oldest node in the flash.  */
-	node = jffs_get_oldest_node(fmc);
-	ASSERT(if (!node) {
-		printk(KERN_ERR "JFFS: jffs_garbage_collect_next: "
-		       "No oldest node found!\n");
-                err = -1;
-                goto jffs_garbage_collect_next_end;
-		
-
-	});
-
-	/* Find its corresponding file too.  */
-	f = jffs_find_file(c, node->ino);
-
-	if (!f) {
-	  printk (KERN_ERR "JFFS: jffs_garbage_collect_next: "
-                  "No file to garbage collect! "
-		  "(ino = 0x%08x)\n", node->ino);
-          /* FIXME: Free the offending node and recover. */
-          err = -1;
-          goto jffs_garbage_collect_next_end;
-	}
-
-	/* We always write out the name. Theoretically, we don't need
-	   to, but for now it's easier - because otherwise we'd have
-	   to keep track of how many times the current name exists on
-	   the flash and make sure it never reaches zero.
-
-	   The current approach means that would be possible to cause
-	   the GC to end up eating its tail by writing lots of nodes
-	   with no name for it to garbage-collect. Hence the change in
-	   inode.c to write names with _every_ node.
-
-	   It sucks, but it _should_ work.
-	*/
-	total_name_size = JFFS_PAD(f->nsize);
-
-	D1(printk("jffs_garbage_collect_next(): \"%s\", "
-		  "ino: %u, version: %u, location 0x%x, dsize %u\n",
-		  (f->name ? f->name : ""), node->ino, node->version, 
-		  node->fm->offset, node->data_size));
-
-	/* Compute how many data it's possible to rewrite at the moment.  */
-	data_size = f->size - node->data_offset;
-
-	/* And from that, the total size of the chunk we want to write */
-	size = sizeof(struct jffs_raw_inode) + total_name_size
-	       + data_size + JFFS_GET_PAD_BYTES(data_size);
-
-	/* If that's more than max_chunk_size, reduce it accordingly */
-	if (size > fmc->max_chunk_size) {
-		size = fmc->max_chunk_size;
-		data_size = size - sizeof(struct jffs_raw_inode)
-			    - total_name_size;
-	}
-
-	/* If we're asking to take up more space than free_chunk_size1
-	   but we _could_ fit in it, shrink accordingly.
-	*/
-	if (size > free_chunk_size1) {
-
-		if (free_chunk_size1 <
-		    (sizeof(struct jffs_raw_inode) + total_name_size + BLOCK_SIZE)){
-			/* The space left is too small to be of any
-			   use really.  */
-			struct jffs_fm *dirty_fm
-			= jffs_fmalloced(fmc,
-					 fmc->tail->offset + fmc->tail->size,
-					 free_chunk_size1, NULL);
-			if (!dirty_fm) {
-				printk(KERN_ERR "JFFS: "
-				       "jffs_garbage_collect_next: "
-				       "Failed to allocate `dirty' "
-				       "flash memory!\n");
-				err = -1;
-                                goto jffs_garbage_collect_next_end;
-			}
-			D1(printk("Dirtying end of flash - too small\n"));
-			jffs_write_dummy_node(c, dirty_fm);
-                        err = 0;
-			goto jffs_garbage_collect_next_end;
-		}
-		D1(printk("Reducing size of new node from %d to %d to avoid "
-			  " exceeding free_chunk_size1\n",
-			  size, free_chunk_size1));
-
-		size = free_chunk_size1;
-		data_size = size - sizeof(struct jffs_raw_inode)
-			    - total_name_size;
-	}
-
-
-	/* Calculate the amount of space needed to hold the nodes
-	   which are remaining in the tail */
-	space_needed = fmc->min_free_size - (node->fm->offset % fmc->sector_size);
-
-	/* From that, calculate how much 'extra' space we can use to
-	   increase the size of the node we're writing from the size
-	   of the node we're obsoleting
-	*/
-	if (space_needed > fmc->free_size) {
-		/* If we've gone below min_free_size for some reason,
-		   don't fuck up. This is why we have 
-		   min_free_size > sector_size. Whinge about it though,
-		   just so I can convince myself my maths is right.
-		*/
-		D1(printk(KERN_WARNING "jffs_garbage_collect_next(): "
-			  "space_needed %d exceeded free_size %d\n",
-			  space_needed, fmc->free_size));
-		extra_available = 0;
-	} else {
-		extra_available = fmc->free_size - space_needed;
-	}
-
-	/* Check that we don't use up any more 'extra' space than
-	   what's available */
-	if (size > JFFS_PAD(node->data_size) + total_name_size + 
-	    sizeof(struct jffs_raw_inode) + extra_available) {
-		D1(printk("Reducing size of new node from %d to %ld to avoid "
-		       "catching our tail\n", size, 
-			  (long) (JFFS_PAD(node->data_size) + JFFS_PAD(node->name_size) + 
-			  sizeof(struct jffs_raw_inode) + extra_available)));
-		D1(printk("space_needed = %d, extra_available = %d\n", 
-			  space_needed, extra_available));
-
-		size = JFFS_PAD(node->data_size) + total_name_size + 
-		  sizeof(struct jffs_raw_inode) + extra_available;
-		data_size = size - sizeof(struct jffs_raw_inode)
-			- total_name_size;
-	};
-
-	D2(printk("  total_name_size: %u\n", total_name_size));
-	D2(printk("  data_size: %u\n", data_size));
-	D2(printk("  size: %u\n", size));
-	D2(printk("  f->nsize: %u\n", f->nsize));
-	D2(printk("  f->size: %u\n", f->size));
-	D2(printk("  node->data_offset: %u\n", node->data_offset));
-	D2(printk("  free_chunk_size1: %u\n", free_chunk_size1));
-	D2(printk("  free_chunk_size2: %u\n", free_chunk_size2));
-	D2(printk("  node->fm->offset: 0x%08x\n", node->fm->offset));
-
-	if ((err = jffs_rewrite_data(f, node, data_size))) {
-		printk(KERN_WARNING "jffs_rewrite_data() failed: %d\n", err);
-		return err;
-	}
-	  
-jffs_garbage_collect_next_end:
-	D3(printk("jffs_garbage_collect_next: Leaving...\n"));
-	return err;
-} /* jffs_garbage_collect_next */
-
-
-/* If an obsolete node is partly going to be erased due to garbage
-   collection, the part that isn't going to be erased must be filled
-   with zeroes so that the scan of the flash will work smoothly next
-   time.  (The data in the file could for instance be a JFFS image
-   which could cause enormous confusion during a scan of the flash
-   device if we didn't do this.)
-     There are two phases in this procedure: First, the clearing of
-   the name and data parts of the node. Second, possibly also clearing
-   a part of the raw inode as well.  If the box is power cycled during
-   the first phase, only the checksum of this node-to-be-cleared-at-
-   the-end will be wrong.  If the box is power cycled during, or after,
-   the clearing of the raw inode, the information like the length of
-   the name and data parts are zeroed.  The next time the box is
-   powered up, the scanning algorithm manages this faulty data too
-   because:
-
-   - The checksum is invalid and thus the raw inode must be discarded
-     in any case.
-   - If the lengths of the data part or the name part are zeroed, the
-     scanning just continues after the raw inode.  But after the inode
-     the scanning procedure just finds zeroes which is the same as
-     dirt.
-
-   So, in the end, this could never fail. :-)  Even if it does fail,
-   the scanning algorithm should manage that too.  */
-
-static int
-jffs_clear_end_of_node(struct jffs_control *c, __u32 erase_size)
-{
-	struct jffs_fm *fm;
-	struct jffs_fmcontrol *fmc = c->fmc;
-	__u32 zero_offset;
-	__u32 zero_size;
-	__u32 zero_offset_data;
-	__u32 zero_size_data;
-	__u32 cutting_raw_inode = 0;
-
-	if (!(fm = jffs_cut_node(fmc, erase_size))) {
-		D3(printk("jffs_clear_end_of_node(): fm == NULL\n"));
-		return 0;
-	}
-
-	/* Where and how much shall we clear?  */
-	zero_offset = fmc->head->offset + erase_size;
-	zero_size = fm->offset + fm->size - zero_offset;
-
-	/* Do we have to clear the raw_inode explicitly?  */
-	if (fm->size - zero_size < sizeof(struct jffs_raw_inode)) {
-		cutting_raw_inode = sizeof(struct jffs_raw_inode)
-				    - (fm->size - zero_size);
-	}
-
-	/* First, clear the name and data fields.  */
-	zero_offset_data = zero_offset + cutting_raw_inode;
-	zero_size_data = zero_size - cutting_raw_inode;
-	flash_safe_acquire(fmc->mtd);
-	flash_memset(fmc->mtd, zero_offset_data, 0, zero_size_data);
-	flash_safe_release(fmc->mtd);
-
-	/* Should we clear a part of the raw inode?  */
-	if (cutting_raw_inode) {
-		/* I guess it is ok to clear the raw inode in this order.  */
-		flash_safe_acquire(fmc->mtd);
-		flash_memset(fmc->mtd, zero_offset, 0,
-			     cutting_raw_inode);
-		flash_safe_release(fmc->mtd);
-	}
-
-	return 0;
-} /* jffs_clear_end_of_node()  */
-
-/* Try to erase as much as possible of the dirt in the flash memory.  */
-static long
-jffs_try_to_erase(struct jffs_control *c)
-{
-	struct jffs_fmcontrol *fmc = c->fmc;
-	long erase_size;
-	int err;
-	__u32 offset;
-
-	D3(printk("jffs_try_to_erase()\n"));
-
-	erase_size = jffs_erasable_size(fmc);
-
-	D2(printk("jffs_try_to_erase(): erase_size = %ld\n", erase_size));
-
-	if (erase_size == 0) {
-		return 0;
-	}
-	else if (erase_size < 0) {
-		printk(KERN_ERR "JFFS: jffs_try_to_erase: "
-		       "jffs_erasable_size returned %ld.\n", erase_size);
-		return erase_size;
-	}
-
-	if ((err = jffs_clear_end_of_node(c, erase_size)) < 0) {
-		printk(KERN_ERR "JFFS: jffs_try_to_erase: "
-		       "Clearing of node failed.\n");
-		return err;
-	}
-
-	offset = fmc->head->offset;
-
-	/* Now, let's try to do the erase.  */
-	if ((err = flash_erase_region(fmc->mtd,
-				      offset, erase_size)) < 0) {
-		printk(KERN_ERR "JFFS: Erase of flash failed. "
-		       "offset = %u, erase_size = %ld\n",
-		       offset, erase_size);
-		/* XXX: Here we should allocate this area as dirty
-		   with jffs_fmalloced or something similar.  Now
-		   we just report the error.  */
-		return err;
-	}
-
-#if 0
-	/* Check if the erased sectors really got erased.  */
-	{
-		__u32 pos;
-		__u32 end;
-
-		pos = (__u32)flash_get_direct_pointer(to_kdev_t(c->sb->s_dev), offset);
-		end = pos + erase_size;
-
-		D2(printk("JFFS: Checking erased sector(s)...\n"));
-
-		flash_safe_acquire(fmc->mtd);
-
-		for (; pos < end; pos += 4) {
-			if (*(__u32 *)pos != JFFS_EMPTY_BITMASK) {
-				printk("JFFS: Erase failed! pos = 0x%lx\n",
-				       (long)pos);
-				jffs_hexdump(fmc->mtd, pos,
-					     jffs_min(256, end - pos));
-				err = -1;
-				break;
-			}
-		}
-
-		flash_safe_release(fmc->mtd);
-
-		if (!err) {
-			D2(printk("JFFS: Erase succeeded.\n"));
-		}
-		else {
-			/* XXX: Here we should allocate the memory
-			   with jffs_fmalloced() in order to prevent
-			   JFFS from using this area accidentally.  */
-			return err;
-		}
-	}
-#endif
-
-	/* Update the flash memory data structures.  */
-	jffs_sync_erase(fmc, erase_size);
-
-	return erase_size;
-}
-
-
-/* There are different criteria that should trigger a garbage collect:
-
-   1. There is too much dirt in the memory.
-   2. The free space is becoming small.
-   3. There are many versions of a node.
-
-   The garbage collect should always be done in a manner that guarantees
-   that future garbage collects cannot be locked.  E.g. Rewritten chunks
-   should not be too large (span more than one sector in the flash memory
-   for exemple).  Of course there is a limit on how intelligent this garbage
-   collection can be.  */
-
-
-static int
-jffs_garbage_collect_now(struct jffs_control *c)
-{
-	struct jffs_fmcontrol *fmc = c->fmc;
-	long erased = 0;
-	int result = 0;
-	D1(int i = 1);
-	D2(printk("***jffs_garbage_collect_now(): fmc->dirty_size = %u, fmc->free_size = 0x%x\n, fcs1=0x%x, fcs2=0x%x",
-		  fmc->dirty_size, fmc->free_size, jffs_free_size1(fmc), jffs_free_size2(fmc)));
-	D2(jffs_print_fmcontrol(fmc));
-
-	//	down(&fmc->gclock);
-
-	/* If it is possible to garbage collect, do so.  */
-	
-	while (erased == 0) {
-		D1(printk("***jffs_garbage_collect_now(): round #%u, "
-			  "fmc->dirty_size = %u\n", i++, fmc->dirty_size));
-		D2(jffs_print_fmcontrol(fmc));
-
-		if ((erased = jffs_try_to_erase(c)) < 0) {
-			printk(KERN_WARNING "JFFS: Error in "
-			       "garbage collector.\n");
-			result = erased;
-			goto gc_end;
-		}
-		if (erased)
-			break;
-		
-		if (fmc->free_size == 0) {
-			/* Argh */
-			printk(KERN_ERR "jffs_garbage_collect_now(): free_size == 0. This is BAD.\n");
-			result = -ENOSPC;
-			break;
-		}
-
-		if (fmc->dirty_size < fmc->sector_size) {
-			/* Actually, we _may_ have been able to free some, 
-			 * if there are many overlapping nodes which aren't
-			 * actually marked dirty because they still have
-			 * some valid data in each.
-			 */
-			result = -ENOSPC;
-			break;
-		}
-
-		/* Let's dare to make a garbage collect.  */
-		if ((result = jffs_garbage_collect_next(c)) < 0) {
-			printk(KERN_ERR "JFFS: Something "
-			       "has gone seriously wrong "
-			       "with a garbage collect.\n");
-			goto gc_end;
-		}
-
-		D1(printk("   jffs_garbage_collect_now(): erased: %ld\n", erased));
-		DJM(jffs_print_memory_allocation_statistics());
-	}
-	
-gc_end:
-	//	up(&fmc->gclock);
-
-	D3(printk("   jffs_garbage_collect_now(): Leaving...\n"));
-	D1(if (erased) {
-		printk("jffs_g_c_now(): erased = %ld\n", erased);
-		jffs_print_fmcontrol(fmc);
-	});
-
-	if (!erased && !result)
-		return -ENOSPC;
-
-	return result;
-} /* jffs_garbage_collect_now() */
-
-
-/* Determine if it is reasonable to start garbage collection.
-   We start a gc pass if either:
-   - The number of free bytes < MIN_FREE_BYTES && at least one
-     block is dirty, OR
-   - The number of dirty bytes > MAX_DIRTY_BYTES
-*/
-static inline int thread_should_wake (struct jffs_control *c)
-{
-	D1(printk (KERN_NOTICE "thread_should_wake(): free=%d, dirty=%d, blocksize=%d.\n",
-		   c->fmc->free_size, c->fmc->dirty_size, c->fmc->sector_size));
-
-	/* If there's not enough dirty space to free a block, there's no point. */
-	if (c->fmc->dirty_size < c->fmc->sector_size) {
-		D2(printk(KERN_NOTICE "thread_should_wake(): Not waking. Insufficient dirty space\n"));
-		return 0;
-	}
-#if 1
-	/* If there is too much RAM used by the various structures, GC */
-	if (jffs_get_node_inuse() > (c->fmc->used_size/c->fmc->max_chunk_size * 5 + jffs_get_file_count() * 2 + 50)) {
-		/* FIXME: Provide proof that this test can be satisfied. We
-		   don't want a filesystem doing endless GC just because this
-		   condition cannot ever be false.
-		*/
-		D2(printk(KERN_NOTICE "thread_should_wake(): Waking due to number of nodes\n"));
-		return 1;
-	}
-#endif
-	/* If there are fewer free bytes than the threshold, GC */
-	if (c->fmc->free_size < c->gc_minfree_threshold) {
-		D2(printk(KERN_NOTICE "thread_should_wake(): Waking due to insufficent free space\n"));
-		return 1;
-	}
-	/* If there are more dirty bytes than the threshold, GC */
-	if (c->fmc->dirty_size > c->gc_maxdirty_threshold) {
-		D2(printk(KERN_NOTICE "thread_should_wake(): Waking due to excessive dirty space\n"));
-		return 1;
-	}	
-	/* FIXME: What about the "There are many versions of a node" condition? */
-
-	return 0;
-}
-
-
-void jffs_garbage_collect_trigger(struct jffs_control *c)
-{
-	/* NOTE: We rely on the fact that we have the BKL here.
-	 * Otherwise, the gc_task could go away between the check
-	 * and the wake_up_process()
-	 */
-	if (c->gc_task && thread_should_wake(c))
-		send_sig(SIGHUP, c->gc_task, 1);
-}
-  
-
-/* Kernel threads  take (void *) as arguments.   Thus we pass
-   the jffs_control data as a (void *) and then cast it. */
-int
-jffs_garbage_collect_thread(void *ptr)
-{
-        struct jffs_control *c = (struct jffs_control *) ptr;
-	struct jffs_fmcontrol *fmc = c->fmc;
-	long erased;
-	int result = 0;
-	D1(int i = 1);
-
-	daemonize("jffs_gcd");
-
-	c->gc_task = current;
-
-	lock_kernel();
-	init_completion(&c->gc_thread_comp); /* barrier */ 
-	spin_lock_irq(&current->sighand->siglock);
-	siginitsetinv (&current->blocked, sigmask(SIGHUP) | sigmask(SIGKILL) | sigmask(SIGSTOP) | sigmask(SIGCONT));
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
-
-	D1(printk (KERN_NOTICE "jffs_garbage_collect_thread(): Starting infinite loop.\n"));
-
-	for (;;) {
-
-		/* See if we need to start gc.  If we don't, go to sleep.
-		   
-		   Current implementation is a BAD THING(tm).  If we try 
-		   to unmount the FS, the unmount operation will sleep waiting
-		   for this thread to exit.  We need to arrange to send it a
-		   sig before the umount process sleeps.
-		*/
-
-		if (!thread_should_wake(c))
-			set_current_state (TASK_INTERRUPTIBLE);
-		
-		schedule(); /* Yes, we do this even if we want to go
-				       on immediately - we're a low priority 
-				       background task. */
-
-		/* Put_super will send a SIGKILL and then wait on the sem. 
-		 */
-		while (signal_pending(current)) {
-			siginfo_t info;
-			unsigned long signr = 0;
-
-			if (try_to_freeze())
-				continue;
-
-			spin_lock_irq(&current->sighand->siglock);
-			signr = dequeue_signal(current, &current->blocked, &info);
-			spin_unlock_irq(&current->sighand->siglock);
-
-			switch(signr) {
-			case SIGSTOP:
-				D1(printk("jffs_garbage_collect_thread(): SIGSTOP received.\n"));
-				set_current_state(TASK_STOPPED);
-				schedule();
-				break;
-
-			case SIGKILL:
-				D1(printk("jffs_garbage_collect_thread(): SIGKILL received.\n"));
-				c->gc_task = NULL;
-				complete_and_exit(&c->gc_thread_comp, 0);
-			}
-		}
-
-
-		D1(printk (KERN_NOTICE "jffs_garbage_collect_thread(): collecting.\n"));
-
-		D3(printk (KERN_NOTICE "g_c_thread(): down biglock\n"));
-		mutex_lock(&fmc->biglock);
-		
-		D1(printk("***jffs_garbage_collect_thread(): round #%u, "
-			  "fmc->dirty_size = %u\n", i++, fmc->dirty_size));
-		D2(jffs_print_fmcontrol(fmc));
-
-		if ((erased = jffs_try_to_erase(c)) < 0) {
-			printk(KERN_WARNING "JFFS: Error in "
-			       "garbage collector: %ld.\n", erased);
-		}
-
-		if (erased)
-			goto gc_end;
-
-		if (fmc->free_size == 0) {
-			/* Argh. Might as well commit suicide. */
-			printk(KERN_ERR "jffs_garbage_collect_thread(): free_size == 0. This is BAD.\n");
-			send_sig(SIGQUIT, c->gc_task, 1);
-			// panic()
-			goto gc_end;
-		}
-		
-		/* Let's dare to make a garbage collect.  */
-		if ((result = jffs_garbage_collect_next(c)) < 0) {
-			printk(KERN_ERR "JFFS: Something "
-			       "has gone seriously wrong "
-			       "with a garbage collect: %d\n", result);
-		}
-		
-	gc_end:
-		D3(printk (KERN_NOTICE "g_c_thread(): up biglock\n"));
-		mutex_unlock(&fmc->biglock);
-	} /* for (;;) */
-} /* jffs_garbage_collect_thread() */
diff --git a/fs/jffs/intrep.h b/fs/jffs/intrep.h
deleted file mode 100644
index 5c7abe0e269..00000000000
--- a/fs/jffs/intrep.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * JFFS -- Journaling Flash File System, Linux implementation.
- *
- * Copyright (C) 1999, 2000  Axis Communications AB.
- *
- * Created by Finn Hakansson <finn@axis.com>.
- *
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * $Id: intrep.h,v 1.14 2001/09/23 23:28:37 dwmw2 Exp $
- *
- */
-
-#ifndef __LINUX_JFFS_INTREP_H__
-#define __LINUX_JFFS_INTREP_H__
-#include "jffs_fm.h"
-struct jffs_node *jffs_alloc_node(void);
-void jffs_free_node(struct jffs_node *n);
-int jffs_get_node_inuse(void);
-
-void jffs_cleanup_control(struct jffs_control *c);
-int jffs_build_fs(struct super_block *sb);
-
-int jffs_insert_node(struct jffs_control *c, struct jffs_file *f,
-		     const struct jffs_raw_inode *raw_inode,
-		     const char *name, struct jffs_node *node);
-struct jffs_file *jffs_find_file(struct jffs_control *c, __u32 ino);
-struct jffs_file *jffs_find_child(struct jffs_file *dir, const char *name, int len);
-
-void jffs_free_node(struct jffs_node *node);
-
-int jffs_foreach_file(struct jffs_control *c, int (*func)(struct jffs_file *));
-int jffs_possibly_delete_file(struct jffs_file *f);
-int jffs_insert_file_into_tree(struct jffs_file *f);
-int jffs_unlink_file_from_tree(struct jffs_file *f);
-int jffs_file_count(struct jffs_file *f);
-
-int jffs_write_node(struct jffs_control *c, struct jffs_node *node,
-		    struct jffs_raw_inode *raw_inode,
-		    const char *name, const unsigned char *buf,
-		    int recoverable, struct jffs_file *f);
-int jffs_read_data(struct jffs_file *f, unsigned char *buf, __u32 read_offset, __u32 size);
-
-/* Garbage collection stuff.  */
-int jffs_garbage_collect_thread(void *c);
-void jffs_garbage_collect_trigger(struct jffs_control *c);
-
-/* For debugging purposes.  */
-#if 0
-int jffs_print_file(struct jffs_file *f);
-#endif  /*  0  */
-void jffs_print_hash_table(struct jffs_control *c);
-void jffs_print_tree(struct jffs_file *first_file, int indent);
-
-#endif /* __LINUX_JFFS_INTREP_H__  */
diff --git a/fs/jffs/jffs_fm.c b/fs/jffs/jffs_fm.c
deleted file mode 100644
index 5a95fbdd6fd..00000000000
--- a/fs/jffs/jffs_fm.c
+++ /dev/null
@@ -1,798 +0,0 @@
-/*
- * JFFS -- Journaling Flash File System, Linux implementation.
- *
- * Copyright (C) 1999, 2000  Axis Communications AB.
- *
- * Created by Finn Hakansson <finn@axis.com>.
- *
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * $Id: jffs_fm.c,v 1.27 2001/09/20 12:29:47 dwmw2 Exp $
- *
- * Ported to Linux 2.3.x and MTD:
- * Copyright (C) 2000  Alexander Larsson (alex@cendio.se), Cendio Systems AB
- *
- */
-#include <linux/slab.h>
-#include <linux/err.h>
-#include <linux/blkdev.h>
-#include <linux/jffs.h>
-#include "jffs_fm.h"
-#include "intrep.h"
-
-#if defined(JFFS_MARK_OBSOLETE) && JFFS_MARK_OBSOLETE
-static int jffs_mark_obsolete(struct jffs_fmcontrol *fmc, __u32 fm_offset);
-#endif
-
-static struct jffs_fm *jffs_alloc_fm(void);
-static void jffs_free_fm(struct jffs_fm *n);
-
-extern struct kmem_cache     *fm_cache;
-extern struct kmem_cache     *node_cache;
-
-#if CONFIG_JFFS_FS_VERBOSE > 0
-void
-jffs_print_fmcontrol(struct jffs_fmcontrol *fmc)
-{
-	D(printk("struct jffs_fmcontrol: 0x%p\n", fmc));
-	D(printk("{\n"));
-	D(printk("        %u, /* flash_size  */\n", fmc->flash_size));
-	D(printk("        %u, /* used_size  */\n", fmc->used_size));
-	D(printk("        %u, /* dirty_size  */\n", fmc->dirty_size));
-	D(printk("        %u, /* free_size  */\n", fmc->free_size));
-	D(printk("        %u, /* sector_size  */\n", fmc->sector_size));
-	D(printk("        %u, /* min_free_size  */\n", fmc->min_free_size));
-	D(printk("        %u, /* max_chunk_size  */\n", fmc->max_chunk_size));
-	D(printk("        0x%p, /* mtd  */\n", fmc->mtd));
-	D(printk("        0x%p, /* head  */    "
-		 "(head->offset = 0x%08x)\n",
-		 fmc->head, (fmc->head ? fmc->head->offset : 0)));
-	D(printk("        0x%p, /* tail  */    "
-		 "(tail->offset + tail->size = 0x%08x)\n",
-		 fmc->tail,
-		 (fmc->tail ? fmc->tail->offset + fmc->tail->size : 0)));
-	D(printk("        0x%p, /* head_extra  */\n", fmc->head_extra));
-	D(printk("        0x%p, /* tail_extra  */\n", fmc->tail_extra));
-	D(printk("}\n"));
-}
-#endif  /*  CONFIG_JFFS_FS_VERBOSE > 0  */
-
-#if CONFIG_JFFS_FS_VERBOSE > 2
-static void
-jffs_print_fm(struct jffs_fm *fm)
-{
-	D(printk("struct jffs_fm: 0x%p\n", fm));
-	D(printk("{\n"));
-	D(printk("       0x%08x, /* offset  */\n", fm->offset));
-	D(printk("       %u, /* size  */\n", fm->size));
-	D(printk("       0x%p, /* prev  */\n", fm->prev));
-	D(printk("       0x%p, /* next  */\n", fm->next));
-	D(printk("       0x%p, /* nodes  */\n", fm->nodes));
-	D(printk("}\n"));
-}
-#endif  /*  CONFIG_JFFS_FS_VERBOSE > 2  */
-
-#if 0
-void
-jffs_print_node_ref(struct jffs_node_ref *ref)
-{
-	D(printk("struct jffs_node_ref: 0x%p\n", ref));
-	D(printk("{\n"));
-	D(printk("       0x%p, /* node  */\n", ref->node));
-	D(printk("       0x%p, /* next  */\n", ref->next));
-	D(printk("}\n"));
-}
-#endif  /*  0  */
-
-/* This function creates a new shiny flash memory control structure.  */
-struct jffs_fmcontrol *
-jffs_build_begin(struct jffs_control *c, int unit)
-{
-	struct jffs_fmcontrol *fmc;
-	struct mtd_info *mtd;
-	
-	D3(printk("jffs_build_begin()\n"));
-	fmc = kmalloc(sizeof(*fmc), GFP_KERNEL);
-	if (!fmc) {
-		D(printk("jffs_build_begin(): Allocation of "
-			 "struct jffs_fmcontrol failed!\n"));
-		return (struct jffs_fmcontrol *)0;
-	}
-	DJM(no_jffs_fmcontrol++);
-
-	mtd = get_mtd_device(NULL, unit);
-
-	if (IS_ERR(mtd)) {
-		kfree(fmc);
-		DJM(no_jffs_fmcontrol--);
-		return NULL;
-	}
-	
-	/* Retrieve the size of the flash memory.  */
-	fmc->flash_size = mtd->size;
-	D3(printk("  fmc->flash_size = %d bytes\n", fmc->flash_size));
-
-	fmc->used_size = 0;
-	fmc->dirty_size = 0;
-	fmc->free_size = mtd->size;
-	fmc->sector_size = mtd->erasesize;
-	fmc->max_chunk_size = fmc->sector_size >> 1;
-	/* min_free_size:
-	   1 sector, obviously.
-	   + 1 x max_chunk_size, for when a nodes overlaps the end of a sector
-	   + 1 x max_chunk_size again, which ought to be enough to handle 
-		   the case where a rename causes a name to grow, and GC has
-		   to write out larger nodes than the ones it's obsoleting.
-		   We should fix it so it doesn't have to write the name
-		   _every_ time. Later.
-	   + another 2 sectors because people keep getting GC stuck and
-	           we don't know why. This scares me - I want formal proof
-		   of correctness of whatever number we put here. dwmw2.
-	*/
-	fmc->min_free_size = fmc->sector_size << 2;
-	fmc->mtd = mtd;
-	fmc->c = c;
-	fmc->head = NULL;
-	fmc->tail = NULL;
-	fmc->head_extra = NULL;
-	fmc->tail_extra = NULL;
-	mutex_init(&fmc->biglock);
-	return fmc;
-}
-
-
-/* When the flash memory scan has completed, this function should be called
-   before use of the control structure.  */
-void
-jffs_build_end(struct jffs_fmcontrol *fmc)
-{
-	D3(printk("jffs_build_end()\n"));
-
-	if (!fmc->head) {
-		fmc->head = fmc->head_extra;
-		fmc->tail = fmc->tail_extra;
-	}
-	else if (fmc->head_extra) {
-		fmc->tail_extra->next = fmc->head;
-		fmc->head->prev = fmc->tail_extra;
-		fmc->head = fmc->head_extra;
-	}
-	fmc->head_extra = NULL; /* These two instructions should be omitted.  */
-	fmc->tail_extra = NULL;
-	D3(jffs_print_fmcontrol(fmc));
-}
-
-
-/* Call this function when the file system is unmounted.  This function
-   frees all memory used by this module.  */
-void
-jffs_cleanup_fmcontrol(struct jffs_fmcontrol *fmc)
-{
-	if (fmc) {
-		struct jffs_fm *next = fmc->head;
-		while (next) {
-			struct jffs_fm *cur = next;
-			next = next->next;
-			jffs_free_fm(cur);
-		}
-		put_mtd_device(fmc->mtd);
-		kfree(fmc);
-		DJM(no_jffs_fmcontrol--);
-	}
-}
-
-
-/* This function returns the size of the first chunk of free space on the
-   flash memory.  This function will return something nonzero if the flash
-   memory contains any free space.  */
-__u32
-jffs_free_size1(struct jffs_fmcontrol *fmc)
-{
-	__u32 head;
-	__u32 tail;
-	__u32 end = fmc->flash_size;
-
-	if (!fmc->head) {
-		/* There is nothing on the flash.  */
-		return fmc->flash_size;
-	}
-
-	/* Compute the beginning and ending of the contents of the flash.  */
-	head = fmc->head->offset;
-	tail = fmc->tail->offset + fmc->tail->size;
-	if (tail == end) {
-		tail = 0;
-	}
-	ASSERT(else if (tail > end) {
-		printk(KERN_WARNING "jffs_free_size1(): tail > end\n");
-		tail = 0;
-	});
-
-	if (head <= tail) {
-		return end - tail;
-	}
-	else {
-		return head - tail;
-	}
-}
-
-/* This function will return something nonzero in case there are two free
-   areas on the flash.  Like this:
-
-     +----------------+------------------+----------------+
-     |     FREE 1     |   USED / DIRTY   |     FREE 2     |
-     +----------------+------------------+----------------+
-       fmc->head -----^
-       fmc->tail ------------------------^
-
-   The value returned, will be the size of the first empty area on the
-   flash, in this case marked "FREE 1".  */
-__u32
-jffs_free_size2(struct jffs_fmcontrol *fmc)
-{
-	if (fmc->head) {
-		__u32 head = fmc->head->offset;
-		__u32 tail = fmc->tail->offset + fmc->tail->size;
-		if (tail == fmc->flash_size) {
-			tail = 0;
-		}
-
-		if (tail >= head) {
-			return head;
-		}
-	}
-	return 0;
-}
-
-
-/* Allocate a chunk of flash memory.  If there is enough space on the
-   device, a reference to the associated node is stored in the jffs_fm
-   struct.  */
-int
-jffs_fmalloc(struct jffs_fmcontrol *fmc, __u32 size, struct jffs_node *node,
-	     struct jffs_fm **result)
-{
-	struct jffs_fm *fm;
-	__u32 free_chunk_size1;
-	__u32 free_chunk_size2;
-
-	D2(printk("jffs_fmalloc(): fmc = 0x%p, size = %d, "
-		  "node = 0x%p\n", fmc, size, node));
-
-	*result = NULL;
-
-	if (!(fm = jffs_alloc_fm())) {
-		D(printk("jffs_fmalloc(): kmalloc() failed! (fm)\n"));
-		return -ENOMEM;
-	}
-
-	free_chunk_size1 = jffs_free_size1(fmc);
-	free_chunk_size2 = jffs_free_size2(fmc);
-	if (free_chunk_size1 + free_chunk_size2 != fmc->free_size) {
-		printk(KERN_WARNING "Free size accounting screwed\n");
-		printk(KERN_WARNING "free_chunk_size1 == 0x%x, free_chunk_size2 == 0x%x, fmc->free_size == 0x%x\n", free_chunk_size1, free_chunk_size2, fmc->free_size);
-	}
-
-	D3(printk("jffs_fmalloc(): free_chunk_size1 = %u, "
-		  "free_chunk_size2 = %u\n",
-		  free_chunk_size1, free_chunk_size2));
-
-	if (size <= free_chunk_size1) {
-		if (!(fm->nodes = (struct jffs_node_ref *)
-				  kmalloc(sizeof(struct jffs_node_ref),
-					  GFP_KERNEL))) {
-			D(printk("jffs_fmalloc(): kmalloc() failed! "
-				 "(node_ref)\n"));
-			jffs_free_fm(fm);
-			return -ENOMEM;
-		}
-		DJM(no_jffs_node_ref++);
-		fm->nodes->node = node;
-		fm->nodes->next = NULL;
-		if (fmc->tail) {
-			fm->offset = fmc->tail->offset + fmc->tail->size;
-			if (fm->offset == fmc->flash_size) {
-				fm->offset = 0;
-			}
-			ASSERT(else if (fm->offset > fmc->flash_size) {
-				printk(KERN_WARNING "jffs_fmalloc(): "
-				       "offset > flash_end\n");
-				fm->offset = 0;
-			});
-		}
-		else {
-			/* There don't have to be files in the file
-			   system yet.  */
-			fm->offset = 0;
-		}
-		fm->size = size;
-		fmc->free_size -= size;
-		fmc->used_size += size;
-	}
-	else if (size > free_chunk_size2) {
-		printk(KERN_WARNING "JFFS: Tried to allocate a too "
-		       "large flash memory chunk. (size = %u)\n", size);
-		jffs_free_fm(fm);
-		return -ENOSPC;
-	}
-	else {
-		fm->offset = fmc->tail->offset + fmc->tail->size;
-		fm->size = free_chunk_size1;
-		fm->nodes = NULL;
-		fmc->free_size -= fm->size;
-		fmc->dirty_size += fm->size; /* Changed by simonk. This seemingly fixes a 
-						bug that caused infinite garbage collection.
-						It previously set fmc->dirty_size to size (which is the
-						size of the requested chunk).
-					     */
-	}
-
-	fm->next = NULL;
-	if (!fmc->head) {
-		fm->prev = NULL;
-		fmc->head = fm;
-		fmc->tail = fm;
-	}
-	else {
-		fm->prev = fmc->tail;
-		fmc->tail->next = fm;
-		fmc->tail = fm;
-	}
-
-	D3(jffs_print_fmcontrol(fmc));
-	D3(jffs_print_fm(fm));
-	*result = fm;
-	return 0;
-}
-
-
-/* The on-flash space is not needed anymore by the passed node.  Remove
-   the reference to the node from the node list.  If the data chunk in
-   the flash memory isn't used by any more nodes anymore (fm->nodes == 0),
-   then mark that chunk as dirty.  */
-int
-jffs_fmfree(struct jffs_fmcontrol *fmc, struct jffs_fm *fm, struct jffs_node *node)
-{
-	struct jffs_node_ref *ref;
-	struct jffs_node_ref *prev;
-	ASSERT(int del = 0);
-
-	D2(printk("jffs_fmfree(): node->ino = %u, node->version = %u\n",
-		 node->ino, node->version));
-
-	ASSERT(if (!fmc || !fm || !fm->nodes) {
-		printk(KERN_ERR "jffs_fmfree(): fmc: 0x%p, fm: 0x%p, "
-		       "fm->nodes: 0x%p\n",
-		       fmc, fm, (fm ? fm->nodes : NULL));
-		return -1;
-	});
-
-	/* Find the reference to the node that is going to be removed
-	   and remove it.  */
-	for (ref = fm->nodes, prev = NULL; ref; ref = ref->next) {
-		if (ref->node == node) {
-			if (prev) {
-				prev->next = ref->next;
-			}
-			else {
-				fm->nodes = ref->next;
-			}
-			kfree(ref);
-			DJM(no_jffs_node_ref--);
-			ASSERT(del = 1);
-			break;
-		}
-		prev = ref;
-	}
-
-	/* If the data chunk in the flash memory isn't used anymore
-	   just mark it as obsolete.  */
-	if (!fm->nodes) {
-		/* No node uses this chunk so let's remove it.  */
-		fmc->used_size -= fm->size;
-		fmc->dirty_size += fm->size;
-#if defined(JFFS_MARK_OBSOLETE) && JFFS_MARK_OBSOLETE
-		if (jffs_mark_obsolete(fmc, fm->offset) < 0) {
-			D1(printk("jffs_fmfree(): Failed to mark an on-flash "
-				  "node obsolete!\n"));
-			return -1;
-		}
-#endif
-	}
-
-	ASSERT(if (!del) {
-		printk(KERN_WARNING "***jffs_fmfree(): "
-		       "Didn't delete any node reference!\n");
-	});
-
-	return 0;
-}
-
-
-/* This allocation function is used during the initialization of
-   the file system.  */
-struct jffs_fm *
-jffs_fmalloced(struct jffs_fmcontrol *fmc, __u32 offset, __u32 size,
-	       struct jffs_node *node)
-{
-	struct jffs_fm *fm;
-
-	D3(printk("jffs_fmalloced()\n"));
-
-	if (!(fm = jffs_alloc_fm())) {
-		D(printk("jffs_fmalloced(0x%p, %u, %u, 0x%p): failed!\n",
-			 fmc, offset, size, node));
-		return NULL;
-	}
-	fm->offset = offset;
-	fm->size = size;
-	fm->prev = NULL;
-	fm->next = NULL;
-	fm->nodes = NULL;
-	if (node) {
-		/* `node' exists and it should be associated with the
-		    jffs_fm structure `fm'.  */
-		if (!(fm->nodes = (struct jffs_node_ref *)
-				  kmalloc(sizeof(struct jffs_node_ref),
-					  GFP_KERNEL))) {
-			D(printk("jffs_fmalloced(): !fm->nodes\n"));
-			jffs_free_fm(fm);
-			return NULL;
-		}
-		DJM(no_jffs_node_ref++);
-		fm->nodes->node = node;
-		fm->nodes->next = NULL;
-		fmc->used_size += size;
-		fmc->free_size -= size;
-	}
-	else {
-		/* If there is no node, then this is just a chunk of dirt.  */
-		fmc->dirty_size += size;
-		fmc->free_size -= size;
-	}
-
-	if (fmc->head_extra) {
-		fm->prev = fmc->tail_extra;
-		fmc->tail_extra->next = fm;
-		fmc->tail_extra = fm;
-	}
-	else if (!fmc->head) {
-		fmc->head = fm;
-		fmc->tail = fm;
-	}
-	else if (fmc->tail->offset + fmc->tail->size < offset) {
-		fmc->head_extra = fm;
-		fmc->tail_extra = fm;
-	}
-	else {
-		fm->prev = fmc->tail;
-		fmc->tail->next = fm;
-		fmc->tail = fm;
-	}
-	D3(jffs_print_fmcontrol(fmc));
-	D3(jffs_print_fm(fm));
-	return fm;
-}
-
-
-/* Add a new node to an already existing jffs_fm struct.  */
-int
-jffs_add_node(struct jffs_node *node)
-{
-	struct jffs_node_ref *ref;
-
-	D3(printk("jffs_add_node(): ino = %u\n", node->ino));
-
-	ref = kmalloc(sizeof(*ref), GFP_KERNEL);
-	if (!ref)
-		return -ENOMEM;
-
-	DJM(no_jffs_node_ref++);
-	ref->node = node;
-	ref->next = node->fm->nodes;
-	node->fm->nodes = ref;
-	return 0;
-}
-
-
-/* Free a part of some allocated space.  */
-void
-jffs_fmfree_partly(struct jffs_fmcontrol *fmc, struct jffs_fm *fm, __u32 size)
-{
-	D1(printk("***jffs_fmfree_partly(): fm = 0x%p, fm->nodes = 0x%p, "
-		  "fm->nodes->node->ino = %u, size = %u\n",
-		  fm, (fm ? fm->nodes : 0),
-		  (!fm ? 0 : (!fm->nodes ? 0 : fm->nodes->node->ino)), size));
-
-	if (fm->nodes) {
-		kfree(fm->nodes);
-		DJM(no_jffs_node_ref--);
-		fm->nodes = NULL;
-	}
-	fmc->used_size -= fm->size;
-	if (fm == fmc->tail) {
-		fm->size -= size;
-		fmc->free_size += size;
-	}
-	fmc->dirty_size += fm->size;
-}
-
-
-/* Find the jffs_fm struct that contains the end of the data chunk that
-   begins at the logical beginning of the flash memory and spans `size'
-   bytes.  If we want to erase a sector of the flash memory, we use this
-   function to find where the sector limit cuts a chunk of data.  */
-struct jffs_fm *
-jffs_cut_node(struct jffs_fmcontrol *fmc, __u32 size)
-{
-	struct jffs_fm *fm;
-	__u32 pos = 0;
-
-	if (size == 0) {
-		return NULL;
-	}
-
-	ASSERT(if (!fmc) {
-		printk(KERN_ERR "jffs_cut_node(): fmc == NULL\n");
-		return NULL;
-	});
-
-	fm = fmc->head;
-
-	while (fm) {
-		pos += fm->size;
-		if (pos < size) {
-			fm = fm->next;
-		}
-		else if (pos > size) {
-			break;
-		}
-		else {
-			fm = NULL;
-			break;
-		}
-	}
-
-	return fm;
-}
-
-
-/* Move the head of the fmc structures and delete the obsolete parts.  */
-void
-jffs_sync_erase(struct jffs_fmcontrol *fmc, int erased_size)
-{
-	struct jffs_fm *fm;
-	struct jffs_fm *del;
-
-	ASSERT(if (!fmc) {
-		printk(KERN_ERR "jffs_sync_erase(): fmc == NULL\n");
-		return;
-	});
-
-	fmc->dirty_size -= erased_size;
-	fmc->free_size += erased_size;
-
-	for (fm = fmc->head; fm && (erased_size > 0);) {
-		if (erased_size >= fm->size) {
-			erased_size -= fm->size;
-			del = fm;
-			fm = fm->next;
-			fm->prev = NULL;
-			fmc->head = fm;
-			jffs_free_fm(del);
-		}
-		else {
-			fm->size -= erased_size;
-			fm->offset += erased_size;
-			break;
-		}
-	}
-}
-
-
-/* Return the oldest used node in the flash memory.  */
-struct jffs_node *
-jffs_get_oldest_node(struct jffs_fmcontrol *fmc)
-{
-	struct jffs_fm *fm;
-	struct jffs_node_ref *nref;
-	struct jffs_node *node = NULL;
-
-	ASSERT(if (!fmc) {
-		printk(KERN_ERR "jffs_get_oldest_node(): fmc == NULL\n");
-		return NULL;
-	});
-
-	for (fm = fmc->head; fm && !fm->nodes; fm = fm->next);
-
-	if (!fm) {
-		return NULL;
-	}
-
-	/* The oldest node is the last one in the reference list.  This list
-	   shouldn't be too long; just one or perhaps two elements.  */
-	for (nref = fm->nodes; nref; nref = nref->next) {
-		node = nref->node;
-	}
-
-	D2(printk("jffs_get_oldest_node(): ino = %u, version = %u\n",
-		  (node ? node->ino : 0), (node ? node->version : 0)));
-
-	return node;
-}
-
-
-#if defined(JFFS_MARK_OBSOLETE) && JFFS_MARK_OBSOLETE
-
-/* Mark an on-flash node as obsolete.
-
-   Note that this is just an optimization that isn't necessary for the
-   filesystem to work.  */
-
-static int
-jffs_mark_obsolete(struct jffs_fmcontrol *fmc, __u32 fm_offset)
-{
-	/* The `accurate_pos' holds the position of the accurate byte
-	   in the jffs_raw_inode structure that we are going to mark
-	   as obsolete.  */
-	__u32 accurate_pos = fm_offset + JFFS_RAW_INODE_ACCURATE_OFFSET;
-	unsigned char zero = 0x00;
-	size_t len;
-
-	D3(printk("jffs_mark_obsolete(): accurate_pos = %u\n", accurate_pos));
-	ASSERT(if (!fmc) {
-		printk(KERN_ERR "jffs_mark_obsolete(): fmc == NULL\n");
-		return -1;
-	});
-
-	/* Write 0x00 to the raw inode's accurate member.  Don't care
-	   about the return value.  */
-	MTD_WRITE(fmc->mtd, accurate_pos, 1, &len, &zero);
-	return 0;
-}
-
-#endif /* JFFS_MARK_OBSOLETE  */
-
-/* check if it's possible to erase the wanted range, and if not, return
- * the range that IS erasable, or a negative error code.
- */
-static long
-jffs_flash_erasable_size(struct mtd_info *mtd, __u32 offset, __u32 size)
-{
-         u_long ssize;
-
-	/* assume that sector size for a partition is constant even
-	 * if it spans more than one chip (you usually put the same
-	 * type of chips in a system)
-	 */
-
-        ssize = mtd->erasesize;
-
-	if (offset % ssize) {
-		printk(KERN_WARNING "jffs_flash_erasable_size() given non-aligned offset %x (erasesize %lx)\n", offset, ssize);
-		/* The offset is not sector size aligned.  */
-		return -1;
-	}
-	else if (offset > mtd->size) {
-		printk(KERN_WARNING "jffs_flash_erasable_size given offset off the end of device (%x > %x)\n", offset, mtd->size);
-		return -2;
-	}
-	else if (offset + size > mtd->size) {
-		printk(KERN_WARNING "jffs_flash_erasable_size() given length which runs off the end of device (ofs %x + len %x = %x, > %x)\n", offset,size, offset+size, mtd->size);
-		return -3;
-	}
-
-	return (size / ssize) * ssize;
-}
-
-
-/* How much dirty flash memory is possible to erase at the moment?  */
-long
-jffs_erasable_size(struct jffs_fmcontrol *fmc)
-{
-	struct jffs_fm *fm;
-	__u32 size = 0;
-	long ret;
-
-	ASSERT(if (!fmc) {
-		printk(KERN_ERR "jffs_erasable_size(): fmc = NULL\n");
-		return -1;
-	});
-
-	if (!fmc->head) {
-		/* The flash memory is totally empty. No nodes. No dirt.
-		   Just return.  */
-		return 0;
-	}
-
-	/* Calculate how much space that is dirty.  */
-	for (fm = fmc->head; fm && !fm->nodes; fm = fm->next) {
-		if (size && fm->offset == 0) {
-			/* We have reached the beginning of the flash.  */
-			break;
-		}
-		size += fm->size;
-	}
-
-	/* Someone's signature contained this:
-	   There's a fine line between fishing and just standing on
-	   the shore like an idiot...  */
-	ret = jffs_flash_erasable_size(fmc->mtd, fmc->head->offset, size);
-
-	ASSERT(if (ret < 0) {
-		printk("jffs_erasable_size: flash_erasable_size() "
-		       "returned something less than zero (%ld).\n", ret);
-		printk("jffs_erasable_size: offset = 0x%08x\n",
-		       fmc->head->offset);
-	});
-
-	/* If there is dirt on the flash (which is the reason to why
-	   this function was called in the first place) but no space is
-	   possible to erase right now, the initial part of the list of
-	   jffs_fm structs, that hold place for dirty space, could perhaps
-	   be shortened.  The list's initial "dirty" elements are merged
-	   into just one large dirty jffs_fm struct.  This operation must
-	   only be performed if nothing is possible to erase.  Otherwise,
-	   jffs_clear_end_of_node() won't work as expected.  */
-	if (ret == 0) {
-		struct jffs_fm *head = fmc->head;
-		struct jffs_fm *del;
-		/* While there are two dirty nodes beside each other.*/
-		while (head->nodes == 0
-		       && head->next
-		       && head->next->nodes == 0) {
-			del = head->next;
-			head->size += del->size;
-			head->next = del->next;
-			if (del->next) {
-				del->next->prev = head;
-			}
-			jffs_free_fm(del);
-		}
-	}
-
-	return (ret >= 0 ? ret : 0);
-}
-
-static struct jffs_fm *jffs_alloc_fm(void)
-{
-	struct jffs_fm *fm;
-
-	fm = kmem_cache_alloc(fm_cache,GFP_KERNEL);
-	DJM(if (fm) no_jffs_fm++;);
-	
-	return fm;
-}
-
-static void jffs_free_fm(struct jffs_fm *n)
-{
-	kmem_cache_free(fm_cache,n);
-	DJM(no_jffs_fm--);
-}
-
-
-
-struct jffs_node *jffs_alloc_node(void)
-{
-	struct jffs_node *n;
-
-	n = (struct jffs_node *)kmem_cache_alloc(node_cache,GFP_KERNEL);
-	if(n != NULL)
-		no_jffs_node++;
-	return n;
-}
-
-void jffs_free_node(struct jffs_node *n)
-{
-	kmem_cache_free(node_cache,n);
-	no_jffs_node--;
-}
-
-
-int jffs_get_node_inuse(void)
-{
-	return no_jffs_node;
-}
diff --git a/fs/jffs/jffs_fm.h b/fs/jffs/jffs_fm.h
deleted file mode 100644
index 9ee6ad29eff..00000000000
--- a/fs/jffs/jffs_fm.h
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- * JFFS -- Journaling Flash File System, Linux implementation.
- *
- * Copyright (C) 1999, 2000  Axis Communications AB.
- *
- * Created by Finn Hakansson <finn@axis.com>.
- *
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * $Id: jffs_fm.h,v 1.13 2001/01/11 12:03:25 dwmw2 Exp $
- *
- * Ported to Linux 2.3.x and MTD:
- * Copyright (C) 2000  Alexander Larsson (alex@cendio.se), Cendio Systems AB
- *
- */
-
-#ifndef __LINUX_JFFS_FM_H__
-#define __LINUX_JFFS_FM_H__
-
-#include <linux/types.h>
-#include <linux/jffs.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mutex.h>
-
-/* The alignment between two nodes in the flash memory.  */
-#define JFFS_ALIGN_SIZE 4
-
-/* Mark the on-flash space as obsolete when appropriate.  */
-#define JFFS_MARK_OBSOLETE 0
-
-#ifndef CONFIG_JFFS_FS_VERBOSE
-#define CONFIG_JFFS_FS_VERBOSE 1
-#endif
-
-#if CONFIG_JFFS_FS_VERBOSE > 0
-#define D(x) x
-#define D1(x) D(x)
-#else
-#define D(x)
-#define D1(x)
-#endif
-
-#if CONFIG_JFFS_FS_VERBOSE > 1
-#define D2(x) D(x)
-#else
-#define D2(x)
-#endif
-
-#if CONFIG_JFFS_FS_VERBOSE > 2
-#define D3(x) D(x)
-#else
-#define D3(x)
-#endif
-
-#define ASSERT(x) x
-
-/* How many padding bytes should be inserted between two chunks of data
-   on the flash?  */
-#define JFFS_GET_PAD_BYTES(size) ( (JFFS_ALIGN_SIZE-1) & -(__u32)(size) )
-#define JFFS_PAD(size) ( (size + (JFFS_ALIGN_SIZE-1)) & ~(JFFS_ALIGN_SIZE-1) )
-
-
-
-struct jffs_node_ref
-{
-	struct jffs_node *node;
-	struct jffs_node_ref *next;
-};
-
-
-/* The struct jffs_fm represents a chunk of data in the flash memory.  */
-struct jffs_fm
-{
-	__u32 offset;
-	__u32 size;
-	struct jffs_fm *prev;
-	struct jffs_fm *next;
-	struct jffs_node_ref *nodes; /* USED if != 0.  */
-};
-
-struct jffs_fmcontrol
-{
-	__u32 flash_size;
-	__u32 used_size;
-	__u32 dirty_size;
-	__u32 free_size;
-	__u32 sector_size;
-	__u32 min_free_size;  /* The minimum free space needed to be able
-				 to perform garbage collections.  */
-	__u32 max_chunk_size; /* The maximum size of a chunk of data.  */
-	struct mtd_info *mtd;
-	struct jffs_control *c;
-	struct jffs_fm *head;
-	struct jffs_fm *tail;
-	struct jffs_fm *head_extra;
-	struct jffs_fm *tail_extra;
-	struct mutex biglock;
-};
-
-/* Notice the two members head_extra and tail_extra in the jffs_control
-   structure above. Those are only used during the scanning of the flash
-   memory; while the file system is being built. If the data in the flash
-   memory is organized like
-
-      +----------------+------------------+----------------+
-      |  USED / DIRTY  |       FREE       |  USED / DIRTY  |
-      +----------------+------------------+----------------+
-
-   then the scan is split in two parts. The first scanned part of the
-   flash memory is organized through the members head and tail. The
-   second scanned part is organized with head_extra and tail_extra. When
-   the scan is completed, the two lists are merged together. The jffs_fm
-   struct that head_extra references is the logical beginning of the
-   flash memory so it will be referenced by the head member.  */
-
-
-
-struct jffs_fmcontrol *jffs_build_begin(struct jffs_control *c, int unit);
-void jffs_build_end(struct jffs_fmcontrol *fmc);
-void jffs_cleanup_fmcontrol(struct jffs_fmcontrol *fmc);
-
-int jffs_fmalloc(struct jffs_fmcontrol *fmc, __u32 size,
-		 struct jffs_node *node, struct jffs_fm **result);
-int jffs_fmfree(struct jffs_fmcontrol *fmc, struct jffs_fm *fm,
-		struct jffs_node *node);
-
-__u32 jffs_free_size1(struct jffs_fmcontrol *fmc);
-__u32 jffs_free_size2(struct jffs_fmcontrol *fmc);
-void jffs_sync_erase(struct jffs_fmcontrol *fmc, int erased_size);
-struct jffs_fm *jffs_cut_node(struct jffs_fmcontrol *fmc, __u32 size);
-struct jffs_node *jffs_get_oldest_node(struct jffs_fmcontrol *fmc);
-long jffs_erasable_size(struct jffs_fmcontrol *fmc);
-struct jffs_fm *jffs_fmalloced(struct jffs_fmcontrol *fmc, __u32 offset,
-			       __u32 size, struct jffs_node *node);
-int jffs_add_node(struct jffs_node *node);
-void jffs_fmfree_partly(struct jffs_fmcontrol *fmc, struct jffs_fm *fm,
-			__u32 size);
-
-#if CONFIG_JFFS_FS_VERBOSE > 0
-void jffs_print_fmcontrol(struct jffs_fmcontrol *fmc);
-#endif
-#if 0
-void jffs_print_node_ref(struct jffs_node_ref *ref);
-#endif  /*  0  */
-
-#endif /* __LINUX_JFFS_FM_H__  */
diff --git a/fs/jffs/jffs_proc.c b/fs/jffs/jffs_proc.c
deleted file mode 100644
index 9bdd99a557c..00000000000
--- a/fs/jffs/jffs_proc.c
+++ /dev/null
@@ -1,261 +0,0 @@
-/*
- * JFFS -- Journaling Flash File System, Linux implementation.
- *
- * Copyright (C) 2000  Axis Communications AB.
- *
- * Created by Simon Kagstrom <simonk@axis.com>.
- *
- * $Id: jffs_proc.c,v 1.5 2001/06/02 14:34:55 dwmw2 Exp $
- *
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- *  Overview:
- *   This file defines JFFS partition entries in the proc file system.
- *
- *  TODO:
- *   Create some more proc files for different kinds of info, i.e. statistics
- *   about written and read bytes, number of calls to different routines,
- *   reports about failures.
- */
-
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/jffs.h>
-#include <linux/slab.h>
-#include <linux/proc_fs.h>
-#include <linux/time.h>
-#include <linux/types.h>
-#include "jffs_fm.h"
-#include "jffs_proc.h"
-
-/*
- * Structure for a JFFS partition in the system
- */
-struct jffs_partition_dir {
-	struct jffs_control *c;
-	struct proc_dir_entry *part_root;
-	struct proc_dir_entry *part_info;
-	struct proc_dir_entry *part_layout;
-	struct jffs_partition_dir *next;
-};
-
-/*
- * Structure for top-level entry in '/proc/fs' directory
- */
-struct proc_dir_entry *jffs_proc_root;
-
-/*
- * Linked list of 'jffs_partition_dirs' to help us track
- * the mounted JFFS partitions in the system
- */
-static struct jffs_partition_dir *jffs_part_dirs;
-
-/*
- * Read functions for entries
- */
-static int jffs_proc_info_read(char *page, char **start, off_t off,
-		int count, int *eof, void *data);
-static int jffs_proc_layout_read (char *page, char **start, off_t off,
-		int count, int *eof, void *data);
-
-
-/*
- * Register a JFFS partition directory (called upon mount)
- */
-int jffs_register_jffs_proc_dir(int mtd, struct jffs_control *c)
-{
-	struct jffs_partition_dir *part_dir;
-	struct proc_dir_entry *part_info = NULL;
-	struct proc_dir_entry *part_layout = NULL;
-	struct proc_dir_entry *part_root = NULL;
-	char name[10];
-
-	sprintf(name, "%d", mtd);
-	/* Allocate structure for local JFFS partition table */
-	part_dir = (struct jffs_partition_dir *)
-		kmalloc(sizeof (struct jffs_partition_dir), GFP_KERNEL);
-	if (!part_dir)
-		goto out;
-
-	/* Create entry for this partition */
-	part_root = proc_mkdir(name, jffs_proc_root);
-	if (!part_root)
-		goto out1;
-
-	/* Create entry for 'info' file */
-	part_info = create_proc_entry ("info", 0, part_root);
-	if (!part_info)
-		goto out2;
-	part_info->read_proc = jffs_proc_info_read;
-	part_info->data = (void *) c;
-
-	/* Create entry for 'layout' file */
-	part_layout = create_proc_entry ("layout", 0, part_root);
-	if (!part_layout)
-		goto out3;
-	part_layout->read_proc = jffs_proc_layout_read;
-	part_layout->data = (void *) c;
-
-	/* Fill in structure for table and insert in the list */
-	part_dir->c = c;
-	part_dir->part_root = part_root;
-	part_dir->part_info = part_info;
-	part_dir->part_layout = part_layout;
-	part_dir->next = jffs_part_dirs;
-	jffs_part_dirs = part_dir;
-
-	/* Return happy */
-	return 0;
-
-out3:
-	remove_proc_entry("info", part_root);
-out2:
-	remove_proc_entry(name, jffs_proc_root);
-out1:
-	kfree(part_dir);
-out:
-	return -ENOMEM;
-}
-
-
-/*
- * Unregister a JFFS partition directory (called at umount)
- */
-int jffs_unregister_jffs_proc_dir(struct jffs_control *c)
-{
-	struct jffs_partition_dir *part_dir = jffs_part_dirs;
-	struct jffs_partition_dir *prev_part_dir = NULL;
-
-	while (part_dir) {
-		if (part_dir->c == c) {
-			/* Remove entries for partition */
-			remove_proc_entry (part_dir->part_info->name,
-				part_dir->part_root);
-			remove_proc_entry (part_dir->part_layout->name,
-				part_dir->part_root);
-			remove_proc_entry (part_dir->part_root->name,
-				jffs_proc_root);
-
-			/* Remove entry from list */
-			if (prev_part_dir)
-				prev_part_dir->next = part_dir->next;
-			else
-				jffs_part_dirs = part_dir->next;
-
-			/*
-			 * Check to see if this is the last one
-			 * and remove the entry from '/proc/fs'
-			 * if it is.
-			 */
-			if (jffs_part_dirs == part_dir->next)
-				remove_proc_entry ("jffs", proc_root_fs);
-
-			/* Free memory for entry */
-			kfree(part_dir);
-
-			/* Return happy */
-			return 0;
-		}
-
-		/* Move to next entry */
-		prev_part_dir = part_dir;
-		part_dir = part_dir->next;
-	}
-
-	/* Return unhappy */
-	return -1;
-}
-
-
-/*
- * Read a JFFS partition's `info' file
- */
-static int jffs_proc_info_read (char *page, char **start, off_t off,
-		int count, int *eof, void *data)
-{
-	struct jffs_control *c = (struct jffs_control *) data;
-	int len = 0;
-
-	/* Get information on the parition */
-	len += sprintf (page,
-		"partition size:     %08lX (%u)\n"
-		"sector size:        %08lX (%u)\n"
-		"used size:          %08lX (%u)\n"
-		"dirty size:         %08lX (%u)\n"
-		"free size:          %08lX (%u)\n\n",
-		(unsigned long) c->fmc->flash_size, c->fmc->flash_size,
-		(unsigned long) c->fmc->sector_size, c->fmc->sector_size,
-		(unsigned long) c->fmc->used_size, c->fmc->used_size,
-		(unsigned long) c->fmc->dirty_size, c->fmc->dirty_size,
-		(unsigned long) (c->fmc->flash_size -
-			(c->fmc->used_size + c->fmc->dirty_size)),
-		c->fmc->flash_size - (c->fmc->used_size + c->fmc->dirty_size));
-
-	/* We're done */
-	*eof = 1;
-
-	/* Return length */
-	return len;
-}
-
-
-/*
- * Read a JFFS partition's `layout' file
- */
-static int jffs_proc_layout_read (char *page, char **start, off_t off,
-		int count, int *eof, void *data)
-{
-	struct jffs_control *c = (struct jffs_control *) data;
-	struct jffs_fm *fm = NULL;
-	struct jffs_fm *last_fm = NULL;
-	int len = 0;
-
-	/* Get the first item in the list */
- 	fm = c->fmc->head;
-
-	/* Print free space */
-	if (fm && fm->offset) {
-		len += sprintf (page, "00000000 %08lX free\n",
-			(unsigned long) fm->offset);
-	}
-
-	/* Loop through all of the flash control structures */
-	while (fm && (len < (off + count))) {
-		if (fm->nodes) {
-			len += sprintf (page + len,
-				"%08lX %08lX ino=%08lX, ver=%08lX\n",
-				(unsigned long) fm->offset,
-				(unsigned long) fm->size,
-				(unsigned long) fm->nodes->node->ino,
-				(unsigned long) fm->nodes->node->version);
-		}
-		else {
-			len += sprintf (page + len,
-				"%08lX %08lX dirty\n",
-				(unsigned long) fm->offset,
-				(unsigned long) fm->size);
-		}
-		last_fm = fm;
-		fm = fm->next;
-	}
-
-	/* Print free space */
-	if ((len < (off + count)) && last_fm
-	    && (last_fm->offset < c->fmc->flash_size)) {
-		len += sprintf (page + len,
-			       "%08lX %08lX free\n",
-			       (unsigned long) last_fm->offset + 
-				last_fm->size,
-			       (unsigned long) (c->fmc->flash_size -
-						    (last_fm->offset + last_fm->size)));
-	}
-
-	/* We're done */
-	*eof = 1;
-
-	/* Return length */
-	return len;
-}
diff --git a/fs/jffs/jffs_proc.h b/fs/jffs/jffs_proc.h
deleted file mode 100644
index 39a1c5d162b..00000000000
--- a/fs/jffs/jffs_proc.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * JFFS -- Journaling Flash File System, Linux implementation.
- *
- * Copyright (C) 2000  Axis Communications AB.
- *
- * Created by Simon Kagstrom <simonk@axis.com>.
- *
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * $Id: jffs_proc.h,v 1.2 2000/11/15 22:04:12 sjhill Exp $
- */
-
-/* jffs_proc.h defines a structure for inclusion in the proc-file system.  */
-#ifndef __LINUX_JFFS_PROC_H__
-#define __LINUX_JFFS_PROC_H__
-
-#include <linux/proc_fs.h>
-
-/* The proc_dir_entry for jffs (defined in jffs_proc.c).  */
-extern struct proc_dir_entry *jffs_proc_root;
-
-int jffs_register_jffs_proc_dir(int mtd, struct jffs_control *c);
-int jffs_unregister_jffs_proc_dir(struct jffs_control *c);
-
-#endif /* __LINUX_JFFS_PROC_H__ */