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author | Christoph Hellwig <hch@lst.de> | 2009-06-08 10:03:38 +0200 |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2009-06-11 21:36:14 -0400 |
commit | 561e47ce7244168788d4ecef9a2271df204b3c89 (patch) | |
tree | b587db305924ff4fea0ca1ad18b341dfda65281e /fs | |
parent | e28964365faf3b9961695eb62b48cbc9f2a2a245 (diff) | |
download | linux-3.10-561e47ce7244168788d4ecef9a2271df204b3c89.tar.gz linux-3.10-561e47ce7244168788d4ecef9a2271df204b3c89.tar.bz2 linux-3.10-561e47ce7244168788d4ecef9a2271df204b3c89.zip |
bfs: add ->sync_fs
Add a ->sync_fs method for data integrity syncs, and reimplement
->write_super ontop of it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/bfs/inode.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c index d1d9d908837..6f60336c662 100644 --- a/fs/bfs/inode.c +++ b/fs/bfs/inode.c @@ -216,6 +216,26 @@ static void bfs_delete_inode(struct inode *inode) clear_inode(inode); } +static int bfs_sync_fs(struct super_block *sb, int wait) +{ + struct bfs_sb_info *info = BFS_SB(sb); + + mutex_lock(&info->bfs_lock); + mark_buffer_dirty(info->si_sbh); + sb->s_dirt = 0; + mutex_unlock(&info->bfs_lock); + + return 0; +} + +static void bfs_write_super(struct super_block *sb) +{ + if (!(sb->s_flags & MS_RDONLY)) + bfs_sync_fs(sb, 1); + else + sb->s_dirt = 0; +} + static void bfs_put_super(struct super_block *s) { struct bfs_sb_info *info = BFS_SB(s); @@ -254,17 +274,6 @@ static int bfs_statfs(struct dentry *dentry, struct kstatfs *buf) return 0; } -static void bfs_write_super(struct super_block *s) -{ - struct bfs_sb_info *info = BFS_SB(s); - - mutex_lock(&info->bfs_lock); - if (!(s->s_flags & MS_RDONLY)) - mark_buffer_dirty(info->si_sbh); - s->s_dirt = 0; - mutex_unlock(&info->bfs_lock); -} - static struct kmem_cache *bfs_inode_cachep; static struct inode *bfs_alloc_inode(struct super_block *sb) @@ -312,6 +321,7 @@ static const struct super_operations bfs_sops = { .delete_inode = bfs_delete_inode, .put_super = bfs_put_super, .write_super = bfs_write_super, + .sync_fs = bfs_sync_fs, .statfs = bfs_statfs, }; |