From: OGAWA Hirofumi Date: Sat, 25 Mar 2006 11:07:44 +0000 (-0800) Subject: [PATCH] freeze_bdev() cleanup X-Git-Tag: v2.6.17-rc1~791 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=d25b9a1ff0741e71a46f37f45263b5ddcbc948c4;p=linux-2.6-omap-h63xx.git [PATCH] freeze_bdev() cleanup freeze_bdev() uses a fsync_super() without sync_blockdev(). This patch makes __fsync_super() and shares it. Signed-off-by: OGAWA Hirofumi Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/fs/buffer.c b/fs/buffer.c index 6d77ce9f54e..3b3ab528192 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -160,12 +160,7 @@ int sync_blockdev(struct block_device *bdev) } EXPORT_SYMBOL(sync_blockdev); -/* - * Write out and wait upon all dirty data associated with this - * superblock. Filesystem data as well as the underlying block - * device. Takes the superblock lock. - */ -int fsync_super(struct super_block *sb) +static void __fsync_super(struct super_block *sb) { sync_inodes_sb(sb, 0); DQUOT_SYNC(sb); @@ -177,7 +172,16 @@ int fsync_super(struct super_block *sb) sb->s_op->sync_fs(sb, 1); sync_blockdev(sb->s_bdev); sync_inodes_sb(sb, 1); +} +/* + * Write out and wait upon all dirty data associated with this + * superblock. Filesystem data as well as the underlying block + * device. Takes the superblock lock. + */ +int fsync_super(struct super_block *sb) +{ + __fsync_super(sb); return sync_blockdev(sb->s_bdev); } @@ -216,19 +220,7 @@ struct super_block *freeze_bdev(struct block_device *bdev) sb->s_frozen = SB_FREEZE_WRITE; smp_wmb(); - sync_inodes_sb(sb, 0); - DQUOT_SYNC(sb); - - lock_super(sb); - if (sb->s_dirt && sb->s_op->write_super) - sb->s_op->write_super(sb); - unlock_super(sb); - - if (sb->s_op->sync_fs) - sb->s_op->sync_fs(sb, 1); - - sync_blockdev(sb->s_bdev); - sync_inodes_sb(sb, 1); + __fsync_super(sb); sb->s_frozen = SB_FREEZE_TRANS; smp_wmb();