From: Christoph Hellwig <hch@infradead.org>
To: Mel Gorman <mgorman@suse.de>
Cc: jack@suse.cz, xfs@oss.sgi.com,
Christoph Hellwig <hch@infradead.org>,
linux-mm@kvack.org, Wu Fengguang <fengguang.wu@intel.com>,
Johannes Weiner <jweiner@redhat.com>
Subject: Re: [PATCH 03/27] xfs: use write_cache_pages for writeback clustering
Date: Fri, 1 Jul 2011 11:15:09 -0400 [thread overview]
Message-ID: <20110701151509.GA30620@infradead.org> (raw)
In-Reply-To: <20110701145935.GB29530@suse.de>
On Fri, Jul 01, 2011 at 03:59:35PM +0100, Mel Gorman wrote:
> On Fri, Jul 01, 2011 at 05:33:05AM -0400, Christoph Hellwig wrote:
> > Johannes, Mel, Wu,
>
> Am adding Jan Kara as he has been working on writeback efficiency
> recently as well.
>
> > Dave has been stressing some XFS patches of mine that remove the XFS
> > internal writeback clustering in favour of using write_cache_pages.
> >
>
> Against what kernel? 2.6.38 was a disaster for reclaim I've been
> finding out this week. I don't know about 2.6.38.8. 2.6.39 was better.
The patch series is against current 3.0-rc, I assume that's what Dave
tested as well.
> I'm assuming "test 180" is from xfstests which was not one of the tests
> I used previously. To run with 1000 files instead of 100, was the file
> "180" simply editted to make it look like this loop instead?
Yes. to both questions.
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WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@infradead.org>
To: Mel Gorman <mgorman@suse.de>
Cc: Christoph Hellwig <hch@infradead.org>,
Johannes Weiner <jweiner@redhat.com>,
Wu Fengguang <fengguang.wu@intel.com>,
Dave Chinner <david@fromorbit.com>,
xfs@oss.sgi.com, jack@suse.cz, linux-mm@kvack.org
Subject: Re: [PATCH 03/27] xfs: use write_cache_pages for writeback clustering
Date: Fri, 1 Jul 2011 11:15:09 -0400 [thread overview]
Message-ID: <20110701151509.GA30620@infradead.org> (raw)
In-Reply-To: <20110701145935.GB29530@suse.de>
On Fri, Jul 01, 2011 at 03:59:35PM +0100, Mel Gorman wrote:
> On Fri, Jul 01, 2011 at 05:33:05AM -0400, Christoph Hellwig wrote:
> > Johannes, Mel, Wu,
>
> Am adding Jan Kara as he has been working on writeback efficiency
> recently as well.
>
> > Dave has been stressing some XFS patches of mine that remove the XFS
> > internal writeback clustering in favour of using write_cache_pages.
> >
>
> Against what kernel? 2.6.38 was a disaster for reclaim I've been
> finding out this week. I don't know about 2.6.38.8. 2.6.39 was better.
The patch series is against current 3.0-rc, I assume that's what Dave
tested as well.
> I'm assuming "test 180" is from xfstests which was not one of the tests
> I used previously. To run with 1000 files instead of 100, was the file
> "180" simply editted to make it look like this loop instead?
Yes. to both questions.
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next prev parent reply other threads:[~2011-07-01 15:15 UTC|newest]
Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-29 14:01 [PATCH 00/27] patch queue for Linux 3.1 Christoph Hellwig
2011-06-29 14:01 ` [PATCH 01/27] xfs: PF_FSTRANS should never be set in ->writepage Christoph Hellwig
2011-06-30 1:34 ` Dave Chinner
2011-06-29 14:01 ` [PATCH 02/27] xfs: remove the unused ilock_nowait codepath in writepage Christoph Hellwig
2011-06-30 0:15 ` Dave Chinner
2011-06-30 1:26 ` Dave Chinner
2011-06-30 6:55 ` Christoph Hellwig
2011-06-29 14:01 ` [PATCH 03/27] xfs: use write_cache_pages for writeback clustering Christoph Hellwig
2011-06-30 2:00 ` Dave Chinner
2011-06-30 2:48 ` Dave Chinner
2011-06-30 6:57 ` Christoph Hellwig
2011-07-01 2:22 ` Dave Chinner
2011-07-01 4:18 ` Dave Chinner
2011-07-01 8:59 ` Christoph Hellwig
2011-07-01 9:20 ` Dave Chinner
2011-07-01 9:33 ` Christoph Hellwig
2011-07-01 9:33 ` Christoph Hellwig
2011-07-01 14:59 ` Mel Gorman
2011-07-01 14:59 ` Mel Gorman
2011-07-01 15:15 ` Christoph Hellwig [this message]
2011-07-01 15:15 ` Christoph Hellwig
2011-07-02 2:42 ` Dave Chinner
2011-07-02 2:42 ` Dave Chinner
2011-07-05 14:10 ` Mel Gorman
2011-07-05 14:10 ` Mel Gorman
2011-07-05 15:55 ` Dave Chinner
2011-07-05 15:55 ` Dave Chinner
2011-07-11 10:26 ` Christoph Hellwig
2011-07-11 10:26 ` Christoph Hellwig
2011-07-01 15:41 ` Wu Fengguang
2011-07-01 15:41 ` Wu Fengguang
2011-07-04 3:25 ` Dave Chinner
2011-07-04 3:25 ` Dave Chinner
2011-07-05 14:34 ` Mel Gorman
2011-07-05 14:34 ` Mel Gorman
2011-07-06 1:23 ` Dave Chinner
2011-07-06 1:23 ` Dave Chinner
2011-07-11 11:10 ` Christoph Hellwig
2011-07-11 11:10 ` Christoph Hellwig
2011-07-06 4:53 ` Wu Fengguang
2011-07-06 4:53 ` Wu Fengguang
2011-07-06 6:47 ` Minchan Kim
2011-07-06 6:47 ` Minchan Kim
2011-07-06 7:17 ` Dave Chinner
2011-07-06 7:17 ` Dave Chinner
2011-07-06 15:12 ` Johannes Weiner
2011-07-06 15:12 ` Johannes Weiner
2011-07-08 9:54 ` Dave Chinner
2011-07-08 9:54 ` Dave Chinner
2011-07-11 17:20 ` Johannes Weiner
2011-07-11 17:20 ` Johannes Weiner
2011-07-11 17:24 ` Christoph Hellwig
2011-07-11 17:24 ` Christoph Hellwig
2011-07-11 19:09 ` Rik van Riel
2011-07-11 19:09 ` Rik van Riel
2011-07-01 8:51 ` Christoph Hellwig
2011-06-29 14:01 ` [PATCH 04/27] xfs: cleanup xfs_add_to_ioend Christoph Hellwig
2011-06-29 22:13 ` Alex Elder
2011-06-30 2:00 ` Dave Chinner
2011-06-29 14:01 ` [PATCH 05/27] xfs: work around bogus gcc warning in xfs_allocbt_init_cursor Christoph Hellwig
2011-06-29 22:13 ` Alex Elder
2011-06-29 14:01 ` [PATCH 06/27] xfs: split xfs_setattr Christoph Hellwig
2011-06-29 22:13 ` Alex Elder
2011-06-30 7:03 ` Christoph Hellwig
2011-06-30 12:28 ` Alex Elder
2011-06-30 2:11 ` Dave Chinner
2011-06-29 14:01 ` [PATCH 08/27] xfs: kill xfs_itruncate_start Christoph Hellwig
2011-06-29 22:13 ` Alex Elder
2011-06-29 14:01 ` [PATCH 09/27] xfs: split xfs_itruncate_finish Christoph Hellwig
2011-06-30 2:44 ` Dave Chinner
2011-06-30 7:18 ` Christoph Hellwig
2011-06-29 14:01 ` [PATCH 10/27] xfs: improve sync behaviour in the fact of aggressive dirtying Christoph Hellwig
2011-06-30 2:52 ` Dave Chinner
2011-06-29 14:01 ` [PATCH 11/27] xfs: fix filesystsem freeze race in xfs_trans_alloc Christoph Hellwig
2011-06-30 2:59 ` Dave Chinner
2011-06-29 14:01 ` [PATCH 12/27] xfs: remove i_transp Christoph Hellwig
2011-06-30 3:00 ` Dave Chinner
2011-06-29 14:01 ` [PATCH 13/27] xfs: factor out xfs_dir2_leaf_find_entry Christoph Hellwig
2011-06-30 6:11 ` Dave Chinner
2011-06-30 7:34 ` Christoph Hellwig
2011-06-29 14:01 ` [PATCH 14/27] xfs: cleanup shortform directory inode number handling Christoph Hellwig
2011-06-30 6:35 ` Dave Chinner
2011-06-30 7:39 ` Christoph Hellwig
2011-06-29 14:01 ` [PATCH 15/27] xfs: kill struct xfs_dir2_sf Christoph Hellwig
2011-06-30 7:04 ` Dave Chinner
2011-06-30 7:09 ` Christoph Hellwig
2011-06-29 14:01 ` [PATCH 16/27] xfs: cleanup the defintion of struct xfs_dir2_sf_entry Christoph Hellwig
2011-06-29 14:01 ` [PATCH 17/27] xfs: avoid usage of struct xfs_dir2_block Christoph Hellwig
2011-06-29 14:01 ` [PATCH 18/27] xfs: kill " Christoph Hellwig
2011-06-29 14:01 ` [PATCH 19/27] xfs: avoid usage of struct xfs_dir2_data Christoph Hellwig
2011-06-29 14:01 ` [PATCH 20/27] xfs: kill " Christoph Hellwig
2011-06-29 14:01 ` [PATCH 21/27] xfs: cleanup the defintion of struct xfs_dir2_data_entry Christoph Hellwig
2011-06-29 14:01 ` [PATCH 22/27] xfs: cleanup struct xfs_dir2_leaf Christoph Hellwig
2011-06-29 14:01 ` [PATCH 23/27] xfs: remove the unused xfs_bufhash structure Christoph Hellwig
2011-06-29 14:01 ` [PATCH 24/27] xfs: clean up buffer locking helpers Christoph Hellwig
2011-06-29 14:01 ` [PATCH 25/27] xfs: return the buffer locked from xfs_buf_get_uncached Christoph Hellwig
2011-06-29 14:01 ` [PATCH 26/27] xfs: cleanup I/O-related buffer flags Christoph Hellwig
2011-06-29 14:01 ` [PATCH 27/27] xfs: avoid a few disk cache flushes Christoph Hellwig
2011-06-30 6:36 ` [PATCH 00/27] patch queue for Linux 3.1 Dave Chinner
2011-06-30 6:50 ` Christoph Hellwig
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