Hi,
freeze_bdev() uses a fsync_super() without sync_blockdev(). This patch
makes __fsync_super() for shareing it.
Signed-off-by: OGAWA Hirofumi <[email protected]>
---
fs/buffer.c | 30 +++++++++++-------------------
1 file changed, 11 insertions(+), 19 deletions(-)
diff -puN fs/buffer.c~freeze_bdev-cleanup fs/buffer.c
--- linux-2.6/fs/buffer.c~freeze_bdev-cleanup 2006-03-03 00:24:40.000000000 +0900
+++ linux-2.6-hirofumi/fs/buffer.c 2006-03-03 00:24:40.000000000 +0900
@@ -160,12 +160,7 @@ int sync_blockdev(struct block_device *b
}
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 b
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();
_
-
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