From 561e47ce7244168788d4ecef9a2271df204b3c89 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 8 Jun 2009 10:03:38 +0200 Subject: [PATCH] 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 Signed-off-by: Al Viro --- fs/bfs/inode.c | 32 +++++++++++++++++++++----------- 1 file changed, 21 insertions(+), 11 deletions(-) diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c index d1d9d9088371..6f60336c6628 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, };