linux-kernel - [PATCH 0/10] Per-bdi writeback flusher threads v11

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Date:	Wed, 17 Jun 2009 13:07:12 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Cc:	chris.mason@...cle.com, david@...morbit.com, hch@...radead.org,
	akpm@...ux-foundation.org, jack@...e.cz,
	yanmin_zhang@...ux.intel.com, richard@....demon.co.uk,
	damien.wyart@...e.fr, fweisbec@...il.com, Alan.Brunelle@...com
Subject: [PATCH 0/10] Per-bdi writeback flusher threads v11

Hi,

Here's the 11th version of the writeback patches. Changes since v10:

- I think this finally fixes the one show stopper issue I was aware
  of. This is the one that Yanmin Zhang reported and which has plagued
  this patch series for some time. Basically it was due to a race
  between work queueing and exited tasks. I cleaned up this part while
  fixing the bug.
- The three prep patches are now merged, so they have been deleted.
- Updated to current -git.

For ease of patching, I've put the full diff here:

  http://kernel.dk/writeback-v11.patch

and also stored this in a writeback-v11 branch that will not change,
you can pull that into Linus tree from here:

  git://git.kernel.dk/linux-2.6-block.git writeback-v11

Please test and report results/interesting finds. Thanks! I hope to merge
this work sooner rather than later, so please do give it a good beating.

 b/block/blk-core.c            |    1 
 b/drivers/block/aoe/aoeblk.c  |    1 
 b/drivers/char/mem.c          |    1 
 b/fs/btrfs/disk-io.c          |    1 
 b/fs/buffer.c                 |    2 
 b/fs/char_dev.c               |    1 
 b/fs/configfs/inode.c         |    1 
 b/fs/fs-writeback.c           |  812 +++++++++++++++++++++++++++-------
 b/fs/fuse/inode.c             |    1 
 b/fs/hugetlbfs/inode.c        |    1 
 b/fs/nfs/client.c             |    1 
 b/fs/ocfs2/dlm/dlmfs.c        |    1 
 b/fs/ramfs/inode.c            |    1 
 b/fs/super.c                  |    3 
 b/fs/sysfs/inode.c            |    1 
 b/fs/ubifs/super.c            |    1 
 b/include/linux/backing-dev.h |   72 ++-
 b/include/linux/fs.h          |   11 
 b/include/linux/writeback.h   |   15 
 b/kernel/cgroup.c             |    1 
 b/mm/Makefile                 |    2 
 b/mm/backing-dev.c            |  530 +++++++++++++++++++++-
 b/mm/page-writeback.c         |  157 ------
 b/mm/swap_state.c             |    1 
 b/mm/vmscan.c                 |    2 
 mm/pdflush.c                  |  269 -----------
 26 files changed, 1293 insertions(+), 597 deletions(-)

-- 
Jens Axboe

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