linux-kernel - [GIT PULL] iomap: fixes for 5.17-rc3

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Date:   Fri, 4 Feb 2022 18:46:13 -0800
From:   "Darrick J. Wong" <djwong@...nel.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-fsdevel@...r.kernel.org, linux-xfs@...r.kernel.org,
        david@...morbit.com, linux-kernel@...r.kernel.org,
        sandeen@...deen.net, hch@....de
Subject: [GIT PULL] iomap: fixes for 5.17-rc3

Hi Linus,

Please pull this branch containing a single bugfix for iomap for
5.17-rc3.  The fix should eliminate occasional complaints about stall
warnings when a lot of writeback IO completes all at once and we have to
then go clearing status on a large number of folios.

As usual, I did a test-merge with upstream master as of a few minutes
ago, and didn't see any conflicts.  Please let me know if you encounter
any problems.

--D

The following changes since commit e783362eb54cd99b2cac8b3a9aeac942e6f6ac07:

  Linux 5.17-rc1 (2022-01-23 10:12:53 +0200)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git tags/iomap-5.17-fixes-1

for you to fetch changes up to ebb7fb1557b1d03b906b668aa2164b51e6b7d19a:

  xfs, iomap: limit individual ioend chain lengths in writeback (2022-01-26 09:19:20 -0800)

----------------------------------------------------------------
Fixes for 5.17-rc2:
 - Limit the length of ioend chains in writeback so that we don't trip
   the softlockup watchdog and to limit long tail latency on clearing
   PageWriteback.

----------------------------------------------------------------
Dave Chinner (1):
      xfs, iomap: limit individual ioend chain lengths in writeback

 fs/iomap/buffered-io.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++----
 fs/xfs/xfs_aops.c      | 16 +++++++++++++++-
 include/linux/iomap.h  |  2 ++
 3 files changed, 65 insertions(+), 5 deletions(-)