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[PATCH] freeze_bdev() cleanup

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freeze_bdev() uses a fsync_super() without sync_blockdev().  This patch
makes __fsync_super() and shares it.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
OGAWA Hirofumi 2006-03-25 03:07:44 -08:00 committed by Linus Torvalds
parent 11b8448751
commit d25b9a1ff0
1 changed files with 11 additions and 19 deletions
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30
fs/buffer.c
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@ -160,12 +160,7 @@ int sync_blockdev(struct block_device *bdev)
} }
EXPORT_SYMBOL(sync_blockdev); EXPORT_SYMBOL(sync_blockdev);
/* static void __fsync_super(struct super_block *sb)
* 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)
{ {
sync_inodes_sb(sb, 0); sync_inodes_sb(sb, 0);
DQUOT_SYNC(sb); DQUOT_SYNC(sb);
@ -177,7 +172,16 @@ int fsync_super(struct super_block *sb)
sb->s_op->sync_fs(sb, 1); sb->s_op->sync_fs(sb, 1);
sync_blockdev(sb->s_bdev); sync_blockdev(sb->s_bdev);
sync_inodes_sb(sb, 1); 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); 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; sb->s_frozen = SB_FREEZE_WRITE;
smp_wmb(); smp_wmb();
sync_inodes_sb(sb, 0); __fsync_super(sb);
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);
sb->s_frozen = SB_FREEZE_TRANS; sb->s_frozen = SB_FREEZE_TRANS;
smp_wmb(); smp_wmb();