diff options
Diffstat (limited to 'fs/qnx4')
| -rw-r--r-- | fs/qnx4/Makefile | 2 | ||||
| -rw-r--r-- | fs/qnx4/bitmap.c | 7 | ||||
| -rw-r--r-- | fs/qnx4/dir.c | 9 | ||||
| -rw-r--r-- | fs/qnx4/file.c | 5 | ||||
| -rw-r--r-- | fs/qnx4/fsync.c | 169 | ||||
| -rw-r--r-- | fs/qnx4/inode.c | 58 | ||||
| -rw-r--r-- | fs/qnx4/namei.c | 13 | ||||
| -rw-r--r-- | fs/qnx4/qnx4.h | 57 | ||||
| -rw-r--r-- | fs/qnx4/truncate.c | 6 |
9 files changed, 82 insertions, 244 deletions
diff --git a/fs/qnx4/Makefile b/fs/qnx4/Makefile index 502d7fe98ba..e4d408cc547 100644 --- a/fs/qnx4/Makefile +++ b/fs/qnx4/Makefile @@ -4,4 +4,4 @@ obj-$(CONFIG_QNX4FS_FS) += qnx4.o -qnx4-objs := inode.o dir.o namei.o file.o bitmap.o truncate.o fsync.o +qnx4-objs := inode.o dir.o namei.o file.o bitmap.o truncate.o diff --git a/fs/qnx4/bitmap.c b/fs/qnx4/bitmap.c index 8425cf6e962..e1cd061a25f 100644 --- a/fs/qnx4/bitmap.c +++ b/fs/qnx4/bitmap.c @@ -13,14 +13,9 @@ * 28-06-1998 by Frank Denis : qnx4_free_inode (to be fixed) . */ -#include <linux/time.h> -#include <linux/fs.h> -#include <linux/qnx4_fs.h> -#include <linux/stat.h> -#include <linux/kernel.h> -#include <linux/string.h> #include <linux/buffer_head.h> #include <linux/bitops.h> +#include "qnx4.h" #if 0 int qnx4_new_block(struct super_block *sb) diff --git a/fs/qnx4/dir.c b/fs/qnx4/dir.c index ea9ffefb48a..003c68f3238 100644 --- a/fs/qnx4/dir.c +++ b/fs/qnx4/dir.c @@ -11,14 +11,9 @@ * 20-06-1998 by Frank Denis : Linux 2.1.99+ & dcache support. */ -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/qnx4_fs.h> -#include <linux/stat.h> #include <linux/smp_lock.h> #include <linux/buffer_head.h> - +#include "qnx4.h" static int qnx4_readdir(struct file *filp, void *dirent, filldir_t filldir) { @@ -84,7 +79,7 @@ const struct file_operations qnx4_dir_operations = { .read = generic_read_dir, .readdir = qnx4_readdir, - .fsync = file_fsync, + .fsync = simple_fsync, }; const struct inode_operations qnx4_dir_inode_operations = diff --git a/fs/qnx4/file.c b/fs/qnx4/file.c index 867f42b0203..09b170ac936 100644 --- a/fs/qnx4/file.c +++ b/fs/qnx4/file.c @@ -12,8 +12,7 @@ * 27-06-1998 by Frank Denis : file overwriting. */ -#include <linux/fs.h> -#include <linux/qnx4_fs.h> +#include "qnx4.h" /* * We have mostly NULL's here: the current defaults are ok for @@ -29,7 +28,7 @@ const struct file_operations qnx4_file_operations = #ifdef CONFIG_QNX4FS_RW .write = do_sync_write, .aio_write = generic_file_aio_write, - .fsync = qnx4_sync_file, + .fsync = simple_fsync, #endif }; diff --git a/fs/qnx4/fsync.c b/fs/qnx4/fsync.c deleted file mode 100644 index aa3b19544be..00000000000 --- a/fs/qnx4/fsync.c +++ /dev/null @@ -1,169 +0,0 @@ -/* - * QNX4 file system, Linux implementation. - * - * Version : 0.1 - * - * Using parts of the xiafs filesystem. - * - * History : - * - * 24-03-1998 by Richard Frowijn : first release. - */ - -#include <linux/errno.h> -#include <linux/time.h> -#include <linux/stat.h> -#include <linux/fcntl.h> -#include <linux/smp_lock.h> -#include <linux/buffer_head.h> - -#include <linux/fs.h> -#include <linux/qnx4_fs.h> - -#include <asm/system.h> - -/* - * The functions for qnx4 fs file synchronization. - */ - -#ifdef CONFIG_QNX4FS_RW - -static int sync_block(struct inode *inode, unsigned short *block, int wait) -{ - struct buffer_head *bh; - unsigned short tmp; - - if (!*block) - return 0; - tmp = *block; - bh = sb_find_get_block(inode->i_sb, *block); - if (!bh) - return 0; - if (*block != tmp) { - brelse(bh); - return 1; - } - if (wait && buffer_req(bh) && !buffer_uptodate(bh)) { - brelse(bh); - return -1; - } - if (wait || !buffer_uptodate(bh) || !buffer_dirty(bh)) { - brelse(bh); - return 0; - } - ll_rw_block(WRITE, 1, &bh); - atomic_dec(&bh->b_count); - return 0; -} - -#ifdef WTF -static int sync_iblock(struct inode *inode, unsigned short *iblock, - struct buffer_head **bh, int wait) -{ - int rc; - unsigned short tmp; - - *bh = NULL; - tmp = *iblock; - if (!tmp) - return 0; - rc = sync_block(inode, iblock, wait); - if (rc) - return rc; - *bh = sb_bread(inode->i_sb, tmp); - if (tmp != *iblock) { - brelse(*bh); - *bh = NULL; - return 1; - } - if (!*bh) - return -1; - return 0; -} -#endif - -static int sync_direct(struct inode *inode, int wait) -{ - int i; - int rc, err = 0; - - for (i = 0; i < 7; i++) { - rc = sync_block(inode, - (unsigned short *) qnx4_raw_inode(inode)->di_first_xtnt.xtnt_blk + i, wait); - if (rc > 0) - break; - if (rc) - err = rc; - } - return err; -} - -#ifdef WTF -static int sync_indirect(struct inode *inode, unsigned short *iblock, int wait) -{ - int i; - struct buffer_head *ind_bh; - int rc, err = 0; - - rc = sync_iblock(inode, iblock, &ind_bh, wait); - if (rc || !ind_bh) - return rc; - - for (i = 0; i < 512; i++) { - rc = sync_block(inode, - ((unsigned short *) ind_bh->b_data) + i, - wait); - if (rc > 0) - break; - if (rc) - err = rc; - } - brelse(ind_bh); - return err; -} - -static int sync_dindirect(struct inode *inode, unsigned short *diblock, - int wait) -{ - int i; - struct buffer_head *dind_bh; - int rc, err = 0; - - rc = sync_iblock(inode, diblock, &dind_bh, wait); - if (rc || !dind_bh) - return rc; - - for (i = 0; i < 512; i++) { - rc = sync_indirect(inode, - ((unsigned short *) dind_bh->b_data) + i, - wait); - if (rc > 0) - break; - if (rc) - err = rc; - } - brelse(dind_bh); - return err; -} -#endif - -int qnx4_sync_file(struct file *file, struct dentry *dentry, int unused) -{ - struct inode *inode = dentry->d_inode; - int wait, err = 0; - - (void) file; - if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || - S_ISLNK(inode->i_mode))) - return -EINVAL; - - lock_kernel(); - for (wait = 0; wait <= 1; wait++) { - err |= sync_direct(inode, wait); - } - err |= qnx4_sync_inode(inode); - unlock_kernel(); - return (err < 0) ? -EIO : 0; -} - -#endif diff --git a/fs/qnx4/inode.c b/fs/qnx4/inode.c index fe1f0f31d11..681df5fcd16 100644 --- a/fs/qnx4/inode.c +++ b/fs/qnx4/inode.c @@ -13,19 +13,15 @@ */ #include <linux/module.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/slab.h> -#include <linux/fs.h> -#include <linux/qnx4_fs.h> #include <linux/init.h> +#include <linux/slab.h> #include <linux/highuid.h> #include <linux/smp_lock.h> #include <linux/pagemap.h> #include <linux/buffer_head.h> -#include <linux/vfs.h> -#include <asm/uaccess.h> +#include <linux/writeback.h> +#include <linux/statfs.h> +#include "qnx4.h" #define QNX4_VERSION 4 #define QNX4_BMNAME ".bitmap" @@ -34,31 +30,6 @@ static const struct super_operations qnx4_sops; #ifdef CONFIG_QNX4FS_RW -int qnx4_sync_inode(struct inode *inode) -{ - int err = 0; -# if 0 - struct buffer_head *bh; - - bh = qnx4_update_inode(inode); - if (bh && buffer_dirty(bh)) - { - sync_dirty_buffer(bh); - if (buffer_req(bh) && !buffer_uptodate(bh)) - { - printk ("IO error syncing qnx4 inode [%s:%08lx]\n", - inode->i_sb->s_id, inode->i_ino); - err = -1; - } - brelse (bh); - } else if (!bh) { - err = -1; - } -# endif - - return err; -} - static void qnx4_delete_inode(struct inode *inode) { QNX4DEBUG(("qnx4: deleting inode [%lu]\n", (unsigned long) inode->i_ino)); @@ -70,15 +41,7 @@ static void qnx4_delete_inode(struct inode *inode) unlock_kernel(); } -static void qnx4_write_super(struct super_block *sb) -{ - lock_kernel(); - QNX4DEBUG(("qnx4: write_super\n")); - sb->s_dirt = 0; - unlock_kernel(); -} - -static int qnx4_write_inode(struct inode *inode, int unused) +static int qnx4_write_inode(struct inode *inode, int do_sync) { struct qnx4_inode_entry *raw_inode; int block, ino; @@ -115,6 +78,16 @@ static int qnx4_write_inode(struct inode *inode, int unused) raw_inode->di_ctime = cpu_to_le32(inode->i_ctime.tv_sec); raw_inode->di_first_xtnt.xtnt_size = cpu_to_le32(inode->i_blocks); mark_buffer_dirty(bh); + if (do_sync) { + sync_dirty_buffer(bh); + if (buffer_req(bh) && !buffer_uptodate(bh)) { + printk("qnx4: IO error syncing inode [%s:%08x]\n", + inode->i_sb->s_id, ino); + brelse(bh); + unlock_kernel(); + return -EIO; + } + } brelse(bh); unlock_kernel(); return 0; @@ -138,7 +111,6 @@ static const struct super_operations qnx4_sops = #ifdef CONFIG_QNX4FS_RW .write_inode = qnx4_write_inode, .delete_inode = qnx4_delete_inode, - .write_super = qnx4_write_super, #endif }; diff --git a/fs/qnx4/namei.c b/fs/qnx4/namei.c index 775eed3a408..5972ed21493 100644 --- a/fs/qnx4/namei.c +++ b/fs/qnx4/namei.c @@ -12,16 +12,9 @@ * 04-07-1998 by Frank Denis : first step for rmdir/unlink. */ -#include <linux/time.h> -#include <linux/fs.h> -#include <linux/qnx4_fs.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/stat.h> -#include <linux/fcntl.h> -#include <linux/errno.h> #include <linux/smp_lock.h> #include <linux/buffer_head.h> +#include "qnx4.h" /* @@ -187,7 +180,7 @@ int qnx4_rmdir(struct inode *dir, struct dentry *dentry) de->di_status = 0; memset(de->di_fname, 0, sizeof de->di_fname); de->di_mode = 0; - mark_buffer_dirty(bh); + mark_buffer_dirty_inode(bh, dir); clear_nlink(inode); mark_inode_dirty(inode); inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME_SEC; @@ -232,7 +225,7 @@ int qnx4_unlink(struct inode *dir, struct dentry *dentry) de->di_status = 0; memset(de->di_fname, 0, sizeof de->di_fname); de->di_mode = 0; - mark_buffer_dirty(bh); + mark_buffer_dirty_inode(bh, dir); dir->i_ctime = dir->i_mtime = CURRENT_TIME_SEC; mark_inode_dirty(dir); inode->i_ctime = dir->i_ctime; diff --git a/fs/qnx4/qnx4.h b/fs/qnx4/qnx4.h new file mode 100644 index 00000000000..9efc089454f --- /dev/null +++ b/fs/qnx4/qnx4.h @@ -0,0 +1,57 @@ +#include <linux/fs.h> +#include <linux/qnx4_fs.h> + +#define QNX4_DEBUG 0 + +#if QNX4_DEBUG +#define QNX4DEBUG(X) printk X +#else +#define QNX4DEBUG(X) (void) 0 +#endif + +struct qnx4_sb_info { + struct buffer_head *sb_buf; /* superblock buffer */ + struct qnx4_super_block *sb; /* our superblock */ + unsigned int Version; /* may be useful */ + struct qnx4_inode_entry *BitMap; /* useful */ +}; + +struct qnx4_inode_info { + struct qnx4_inode_entry raw; + loff_t mmu_private; + struct inode vfs_inode; +}; + +extern struct inode *qnx4_iget(struct super_block *, unsigned long); +extern struct dentry *qnx4_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd); +extern unsigned long qnx4_count_free_blocks(struct super_block *sb); +extern unsigned long qnx4_block_map(struct inode *inode, long iblock); + +extern struct buffer_head *qnx4_bread(struct inode *, int, int); + +extern const struct inode_operations qnx4_file_inode_operations; +extern const struct inode_operations qnx4_dir_inode_operations; +extern const struct file_operations qnx4_file_operations; +extern const struct file_operations qnx4_dir_operations; +extern int qnx4_is_free(struct super_block *sb, long block); +extern int qnx4_set_bitmap(struct super_block *sb, long block, int busy); +extern int qnx4_create(struct inode *inode, struct dentry *dentry, int mode, struct nameidata *nd); +extern void qnx4_truncate(struct inode *inode); +extern void qnx4_free_inode(struct inode *inode); +extern int qnx4_unlink(struct inode *dir, struct dentry *dentry); +extern int qnx4_rmdir(struct inode *dir, struct dentry *dentry); + +static inline struct qnx4_sb_info *qnx4_sb(struct super_block *sb) +{ + return sb->s_fs_info; +} + +static inline struct qnx4_inode_info *qnx4_i(struct inode *inode) +{ + return container_of(inode, struct qnx4_inode_info, vfs_inode); +} + +static inline struct qnx4_inode_entry *qnx4_raw_inode(struct inode *inode) +{ + return &qnx4_i(inode)->raw; +} diff --git a/fs/qnx4/truncate.c b/fs/qnx4/truncate.c index 6437c1c3d1d..d94d9ee241f 100644 --- a/fs/qnx4/truncate.c +++ b/fs/qnx4/truncate.c @@ -10,12 +10,8 @@ * 30-06-1998 by Frank DENIS : ugly filler. */ -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/qnx4_fs.h> #include <linux/smp_lock.h> -#include <asm/uaccess.h> +#include "qnx4.h" #ifdef CONFIG_QNX4FS_RW |