[PATCH 05/11] writeback: requeue_io_wait() on congested blockdev

[Fengguang Wu <wfg@mail.ustc.edu.cn>]

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Convert to requeue_io_wait() for case:

	congested blockdev

Cc: Michael Rubin <mrubin@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn>
---
 fs/fs-writeback.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-2.6.24-rc6-mm1.orig/fs/fs-writeback.c
+++ linux-2.6.24-rc6-mm1/fs/fs-writeback.c
@@ -413,11 +413,11 @@ int generic_sync_sb_inodes(struct super_
 
 		if (wbc->nonblocking && bdi_write_congested(bdi)) {
 			wbc->encountered_congestion = 1;
 			if (!sb_is_blkdev_sb(sb))
 				break;		/* Skip a congested fs */
-			requeue_io(inode);
+			requeue_io_wait(inode);
 			continue;		/* Skip a congested blockdev */
 		}
 
 		if (wbc->bdi && bdi != wbc->bdi) {
 			if (!sb_is_blkdev_sb(sb))

--