Commit 561e47ce authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Al Viro
Browse files

bfs: add ->sync_fs 



Add a ->sync_fs method for data integrity syncs, and reimplement
->write_super ontop of it.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent e2896436

fs/bfs/inode.c

+21 −11
Original line number Diff line number Diff line
@@ -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,

};