linux-kernel - Re: [PATCH 00/18] writeback fixes and cleanups for 2.6.40 (v4)

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Message-ID: <BANLkTinRXW9Ds6kW-W+7G0eqLCNTHudPUQ@mail.gmail.com>
Date:	Sun, 29 May 2011 09:34:16 +0200
From:	Sedat Dilek <sedat.dilek@...glemail.com>
To:	Wu Fengguang <fengguang.wu@...el.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, Jan Kara <jack@...e.cz>,
	Dave Chinner <david@...morbit.com>,
	Christoph Hellwig <hch@...radead.org>,
	linux-fsdevel@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 00/18] writeback fixes and cleanups for 2.6.40 (v4)

( Sorry for top-posting. )
I have this patchset v4 since 24-May in my series.
Is this going to be accepted within merge-window for 2.6.40 (or 3.0)?

- Sedat -

On Tue, May 24, 2011 at 7:14 AM, Wu Fengguang <fengguang.wu@...el.com> wrote:
>
> Andrew,
>
> The first 10 patches are already in -mm tree, with updates:
>
> - remove "writeback: pass writeback_control down to move_expired_inodes()", and
>  resolve the resulting merge conflicts in other patches.
> - move ahead the sync livelock prevention patches (01, 02) so that (04) won't livelock sync
> - merge the three -mm fixes to (08)
> - fixed changelog of (01)
> - rename .for_sync to .tagged_writepages
>
>        [PATCH 01/18] writeback: introduce .tagged_writepages for the WB_SYNC_NONE sync stage
>        [PATCH 02/18] writeback: update dirtied_when for synced inode to prevent livelock
>        [PATCH 03/18] writeback: introduce writeback_control.inodes_cleaned
>        [PATCH 04/18] writeback: try more writeback as long as something was written
>        [PATCH 05/18] writeback: the kupdate expire timestamp should be a moving target
>        [PATCH 06/18] writeback: sync expired inodes first in background writeback
>        [PATCH 07/18] writeback: refill b_io iff empty
>        [PATCH 08/18] writeback: split inode_wb_list_lock into bdi_writeback.list_lock
>        [PATCH 09/18] writeback: elevate queue_io() into wb_writeback()
>        [PATCH 10/18] writeback: avoid extra sync work at enqueue time
>
> The following 6 patches are trivial and safe
>
>        [PATCH 11/18] writeback: add bdi_dirty_limit() kernel-doc
>        [PATCH 12/18] writeback: skip balance_dirty_pages() for in-memory fs
>        [PATCH 13/18] writeback: remove writeback_control.more_io
>        [PATCH 14/18] writeback: remove .nonblocking and .encountered_congestion
>        [PATCH 15/18] writeback: trace event writeback_single_inode
>        [PATCH 16/18] writeback: trace event writeback_queue_io
>
> Patch 17 is a bit more complex
>
>        [PATCH 17/18] writeback: make writeback_control.nr_to_write straight
>        [PATCH 18/18] writeback: rearrange the wb_writeback() loop
>
> Thanks to Jan and Dave for the careful reviews!
>
> The patches are git pullable from
>
> git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writeback.git fs-writeback
>
>  fs/block_dev.c                   |   16 +-
>  fs/btrfs/extent_io.c             |    2 -
>  fs/ext4/inode.c                  |    4 +-
>  fs/fs-writeback.c                |  411 +++++++++++++++++++++-----------------
>  fs/inode.c                       |    5 +-
>  fs/nfs/write.c                   |    3 +-
>  fs/xfs/linux-2.6/xfs_aops.c      |    2 +-
>  include/linux/backing-dev.h      |    2 +
>  include/linux/writeback.h        |   14 +-
>  include/trace/events/btrfs.h     |    6 +-
>  include/trace/events/ext4.h      |    6 +-
>  include/trace/events/writeback.h |  137 ++++++++++++--
>  mm/backing-dev.c                 |   30 ++-
>  mm/filemap.c                     |    6 +-
>  mm/page-writeback.c              |   42 ++--
>  mm/rmap.c                        |    4 +-
>  16 files changed, 420 insertions(+), 270 deletions(-)
>
> Thanks,
> Fengguang
>
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