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From:   Yu Kuai <yukuai1@huaweicloud.com>
To:     xni@redhat.com, song@kernel.org
Cc:     linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org,
        yukuai3@huawei.com, yukuai1@huaweicloud.com, yi.zhang@huawei.com,
        yangerkun@huawei.com
Subject: [PATCH -next 0/8] md: fix and refactor io accounting and 'active_io'
Date:   Tue, 20 Jun 2023 04:48:18 +0800
Message-Id: <20230619204826.755559-1-yukuai1@huaweicloud.com>
MIME-Version: 1.0
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From: Yu Kuai <yukuai3@huawei.com>

This patchset do following things:
 - make io accounting for all raid levels consistent, patch 1, 3-5;
 - enable io accounting for all raid levels, patch 6-8;
 - hold 'active_io' before io start to dispatch, and release 'active_io'
 when io is done, make mddev_suspend() will wait for io to be done, patch 2

Yu Kuai (8):
  md: move initialization and destruction of 'io_acct_set' to md.c
  md: also clone new io if io accounting is disabled
  raid5: fix missing io accounting in raid5_align_endio()
  md/raid1: switch to use md_account_bio() for io accounting
  md/raid10: switch to use md_account_bio() for io accounting
  md/md-multipath: enable io accounting
  md/md-linear: enable io accounting
  md/md-faulty: enable io accounting

 drivers/md/md-faulty.c    |  2 +
 drivers/md/md-linear.c    |  1 +
 drivers/md/md-multipath.c |  1 +
 drivers/md/md.c           | 78 +++++++++++++++++++--------------------
 drivers/md/md.h           |  6 +--
 drivers/md/raid0.c        | 16 +-------
 drivers/md/raid1.c        | 14 +++----
 drivers/md/raid1.h        |  1 -
 drivers/md/raid10.c       | 20 +++++-----
 drivers/md/raid10.h       |  1 -
 drivers/md/raid5.c        | 70 ++++++++++-------------------------
 11 files changed, 79 insertions(+), 131 deletions(-)

-- 
2.39.2