[PATCH 42/45] writeback: requeue_io_wait() on blocked inode

[Wu Fengguang]

Use requeue_io_wait() if inode is somehow blocked. This includes the
wrapped around range_cyclic case.

CC: Jan Kara <jack@xxxxxxx> 
CC: Dave Chinner <david@xxxxxxxxxxxxx> 
Signed-off-by: Wu Fengguang <fengguang.wu@xxxxxxxxx>
---
 fs/fs-writeback.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux.orig/fs/fs-writeback.c	2009-10-07 14:32:52.000000000 +0800
+++ linux/fs/fs-writeback.c	2009-10-07 14:32:53.000000000 +0800
@@ -591,7 +591,7 @@ writeback_single_inode(struct inode *ino
 				/*
 				 * somehow blocked: retry later
 				 */
-				redirty_tail(inode);
+				requeue_io_wait(inode);
 			}
 		} else if (inode->i_state & I_DIRTY) {
 			/*


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