linux-kernel - drive-by blk-cgroup cleanups

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Date:   Sat, 27 Jun 2020 09:31:45 +0200
From:   Christoph Hellwig <hch@....de>
To:     Jens Axboe <axboe@...nel.dk>, Tejun Heo <tj@...nel.org>
Cc:     Dennis Zhou <dennis@...nel.org>, Li Zefan <lizefan@...wei.com>,
        Johannes Weiner <hannes@...xchg.org>, dm-devel@...hat.com,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        cgroups@...r.kernel.org, linux-mm@...ck.org
Subject: drive-by blk-cgroup cleanups

Hi all,

while looking into another "project" I ended up wading through the
blkcq code for research and found a bunch of lose ends.  So here is
a bunch of drive-by cleanups for the code.

Diffstat:
 block/bio.c                |  143 +----------------------------------
 block/blk-cgroup.c         |  182 +++++++++++++++++++++++++++++++++++++--------
 block/blk-core.c           |    7 +
 block/blk-throttle.c       |   10 +-
 block/blk.h                |    2 
 drivers/md/dm.c            |    5 -
 include/linux/bio.h        |    9 --
 include/linux/blk-cgroup.h |  101 ------------------------
 kernel/cgroup/rstat.c      |    1 
 mm/page_io.c               |   17 ++++
 10 files changed, 192 insertions(+), 285 deletions(-)