[PATCH 43/45] writeback: requeue_io_wait() on fs redirtied inode

[Wu Fengguang]

When an inodes is redirtied by the filesystem, its
dirty time shall not be updated.

Cc: Jan Kara <jack@xxxxxxx> 
Cc: Dave Chinner <david@xxxxxxxxxxxxx> 
Cc: Michael Rubin <mrubin@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Signed-off-by: Fengguang Wu <wfg@xxxxxxxxxxxxxxxx>
---
 fs/fs-writeback.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux.orig/fs/fs-writeback.c	2009-10-07 14:32:53.000000000 +0800
+++ linux/fs/fs-writeback.c	2009-10-07 14:32:54.000000000 +0800
@@ -598,7 +598,7 @@ writeback_single_inode(struct inode *ino
 			 * At least XFS will redirty the inode during the
 			 * writeback (delalloc) and on io completion (isize).
 			 */
-			redirty_tail(inode);
+			requeue_io_wait(inode);
 		} else if (atomic_read(&inode->i_count)) {
 			/*
 			 * The inode is clean, inuse


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