diff options
author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-02-12 22:43:25 -0800 |
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committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-02-12 22:43:25 -0800 |
commit | d9bc125caf592b7d081021f32ce5b717efdf70c8 (patch) | |
tree | 263b7066ba22ddce21db610c0300f6eaac6f2064 /fs/ext4 | |
parent | 43d78ef2ba5bec26d0315859e8324bfc0be23766 (diff) | |
parent | ec2f9d1331f658433411c58077871e1eef4ee1b4 (diff) |
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Conflicts:
net/sunrpc/auth_gss/gss_krb5_crypto.c
net/sunrpc/auth_gss/gss_spkm3_token.c
net/sunrpc/clnt.c
Merge with mainline and fix conflicts.
Diffstat (limited to 'fs/ext4')
-rw-r--r-- | fs/ext4/file.c | 2 | ||||
-rw-r--r-- | fs/ext4/inode.c | 4 | ||||
-rw-r--r-- | fs/ext4/namei.c | 31 | ||||
-rw-r--r-- | fs/ext4/super.c | 22 | ||||
-rw-r--r-- | fs/ext4/symlink.c | 4 |
5 files changed, 37 insertions, 26 deletions
diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 3bbc24b5878..3c6c1fd2be9 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -125,7 +125,7 @@ const struct file_operations ext4_file_operations = { .splice_write = generic_file_splice_write, }; -struct inode_operations ext4_file_inode_operations = { +const struct inode_operations ext4_file_inode_operations = { .truncate = ext4_truncate, .setattr = ext4_setattr, #ifdef CONFIG_EXT4DEV_FS_XATTR diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index a127cc03c9f..fbff4b9e122 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -946,7 +946,7 @@ out: static int ext4_get_block(struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create) { - handle_t *handle = journal_current_handle(); + handle_t *handle = ext4_journal_current_handle(); int ret = 0; unsigned max_blocks = bh_result->b_size >> inode->i_blkbits; @@ -1716,7 +1716,7 @@ static ssize_t ext4_direct_IO(int rw, struct kiocb *iocb, /* * Reacquire the handle: ext4_get_block() can restart the transaction */ - handle = journal_current_handle(); + handle = ext4_journal_current_handle(); out_stop: if (handle) { diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index e5a74a5ac26..e7e1d79a7d7 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1616,21 +1616,6 @@ static int ext4_delete_entry (handle_t *handle, return -ENOENT; } -/* - * ext4_mark_inode_dirty is somewhat expensive, so unlike ext2 we - * do not perform it in these functions. We perform it at the call site, - * if it is needed. - */ -static inline void ext4_inc_count(handle_t *handle, struct inode *inode) -{ - inc_nlink(inode); -} - -static inline void ext4_dec_count(handle_t *handle, struct inode *inode) -{ - drop_nlink(inode); -} - static int ext4_add_nondir(handle_t *handle, struct dentry *dentry, struct inode *inode) { @@ -1640,7 +1625,7 @@ static int ext4_add_nondir(handle_t *handle, d_instantiate(dentry, inode); return 0; } - ext4_dec_count(handle, inode); + drop_nlink(inode); iput(inode); return err; } @@ -2161,7 +2146,7 @@ retry: err = __page_symlink(inode, symname, l, mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS); if (err) { - ext4_dec_count(handle, inode); + drop_nlink(inode); ext4_mark_inode_dirty(handle, inode); iput (inode); goto out_stop; @@ -2189,6 +2174,12 @@ static int ext4_link (struct dentry * old_dentry, if (inode->i_nlink >= EXT4_LINK_MAX) return -EMLINK; + /* + * Return -ENOENT if we've raced with unlink and i_nlink is 0. Doing + * otherwise has the potential to corrupt the orphan inode list. + */ + if (inode->i_nlink == 0) + return -ENOENT; retry: handle = ext4_journal_start(dir, EXT4_DATA_TRANS_BLOCKS(dir->i_sb) + @@ -2200,7 +2191,7 @@ retry: handle->h_sync = 1; inode->i_ctime = CURRENT_TIME_SEC; - ext4_inc_count(handle, inode); + inc_nlink(inode); atomic_inc(&inode->i_count); err = ext4_add_nondir(handle, dentry, inode); @@ -2372,7 +2363,7 @@ end_rename: /* * directories can handle most operations... */ -struct inode_operations ext4_dir_inode_operations = { +const struct inode_operations ext4_dir_inode_operations = { .create = ext4_create, .lookup = ext4_lookup, .link = ext4_link, @@ -2392,7 +2383,7 @@ struct inode_operations ext4_dir_inode_operations = { .permission = ext4_permission, }; -struct inode_operations ext4_special_inode_operations = { +const struct inode_operations ext4_special_inode_operations = { .setattr = ext4_setattr, #ifdef CONFIG_EXT4DEV_FS_XATTR .setxattr = generic_setxattr, diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 486a641ca71..61c4718e4a5 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -690,7 +690,7 @@ static struct quotactl_ops ext4_qctl_operations = { }; #endif -static struct super_operations ext4_sops = { +static const struct super_operations ext4_sops = { .alloc_inode = ext4_alloc_inode, .destroy_inode = ext4_destroy_inode, .read_inode = ext4_read_inode, @@ -1518,10 +1518,14 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent) set_opt(sbi->s_mount_opt, GRPID); if (def_mount_opts & EXT4_DEFM_UID16) set_opt(sbi->s_mount_opt, NO_UID32); +#ifdef CONFIG_EXT4DEV_FS_XATTR if (def_mount_opts & EXT4_DEFM_XATTR_USER) set_opt(sbi->s_mount_opt, XATTR_USER); +#endif +#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL if (def_mount_opts & EXT4_DEFM_ACL) set_opt(sbi->s_mount_opt, POSIX_ACL); +#endif if ((def_mount_opts & EXT4_DEFM_JMODE) == EXT4_DEFM_JMODE_DATA) sbi->s_mount_opt |= EXT4_MOUNT_JOURNAL_DATA; else if ((def_mount_opts & EXT4_DEFM_JMODE) == EXT4_DEFM_JMODE_ORDERED) @@ -2419,6 +2423,22 @@ static int ext4_remount (struct super_block * sb, int * flags, char * data) err = -EROFS; goto restore_opts; } + + /* + * If we have an unprocessed orphan list hanging + * around from a previously readonly bdev mount, + * require a full umount/remount for now. + */ + if (es->s_last_orphan) { + printk(KERN_WARNING "EXT4-fs: %s: couldn't " + "remount RDWR because of unprocessed " + "orphan inode list. Please " + "umount/remount instead.\n", + sb->s_id); + err = -EINVAL; + goto restore_opts; + } + /* * Mounting a RDONLY partition read-write, so reread * and store the current valid flag. (It may have diff --git a/fs/ext4/symlink.c b/fs/ext4/symlink.c index fcf527286d7..e6f9da4287c 100644 --- a/fs/ext4/symlink.c +++ b/fs/ext4/symlink.c @@ -30,7 +30,7 @@ static void * ext4_follow_link(struct dentry *dentry, struct nameidata *nd) return NULL; } -struct inode_operations ext4_symlink_inode_operations = { +const struct inode_operations ext4_symlink_inode_operations = { .readlink = generic_readlink, .follow_link = page_follow_link_light, .put_link = page_put_link, @@ -42,7 +42,7 @@ struct inode_operations ext4_symlink_inode_operations = { #endif }; -struct inode_operations ext4_fast_symlink_inode_operations = { +const struct inode_operations ext4_fast_symlink_inode_operations = { .readlink = generic_readlink, .follow_link = ext4_follow_link, #ifdef CONFIG_EXT4DEV_FS_XATTR |