diff mbox

[5/6] xfs: remove nr_to_write writeback windup.

Message ID 1274784852-30502-6-git-send-email-david@fromorbit.com
State Not Applicable, archived
Headers show

Commit Message

Dave Chinner May 25, 2010, 10:54 a.m. UTC 
From: Dave Chinner <dchinner@redhat.com>

Now that the background flush code has been fixed, we shouldn't need to
silently multiply the wbc->nr_to_write to get good writeback. Remove
that code.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
---
 fs/xfs/linux-2.6/xfs_aops.c |    8 --------
 1 files changed, 0 insertions(+), 8 deletions(-)

Comments

Christoph Hellwig May 25, 2010, 11:14 a.m. UTC | #1 
On Tue, May 25, 2010 at 08:54:11PM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner@redhat.com>
> 
> Now that the background flush code has been fixed, we shouldn't need to
> silently multiply the wbc->nr_to_write to get good writeback. Remove
> that code.
> 
> Signed-off-by: Dave Chinner <dchinner@redhat.com>

Ok,


Reviewed-by: Christoph Hellwig <hch@lst.de>

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diff mbox

Patch

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 089eaca..4c89db3 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1366,14 +1366,6 @@  xfs_vm_writepage(
 	if (!page_has_buffers(page))
 		create_empty_buffers(page, 1 << inode->i_blkbits, 0);
 
-
-	/*
-	 *  VM calculation for nr_to_write seems off.  Bump it way
-	 *  up, this gets simple streaming writes zippy again.
-	 *  To be reviewed again after Jens' writeback changes.
-	 */
-	wbc->nr_to_write *= 4;
-
 	/*
 	 * Convert delayed allocate, unwritten or unmapped space
 	 * to real space and flush out to disk.