Add a ->sync_fs method for data integrity syncs, and reimplement
->write_super ontop of it.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Index: vfs-2.6/fs/bfs/inode.c
===================================================================
--- vfs-2.6.orig/fs/bfs/inode.c 2009-06-05 15:54:45.060844037 +0200
+++ vfs-2.6/fs/bfs/inode.c 2009-06-05 15:58:45.082941409 +0200
@@ -210,6 +210,26 @@ static void bfs_delete_inode(struct inod
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);
@@ -248,17 +268,6 @@ static int bfs_statfs(struct dentry *den
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)
@@ -306,6 +315,7 @@ static const struct super_operations bfs
.delete_inode = bfs_delete_inode,
.put_super = bfs_put_super,
.write_super = bfs_write_super,
+ .sync_fs = bfs_sync_fs,
.statfs = bfs_statfs,
};
--
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