linux-kernel - [PATCH v3 0/5] blk-iocost: random bugfix

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Message-Id: <20221226085859.2701195-1-yukuai1@huaweicloud.com>
Date:   Mon, 26 Dec 2022 16:58:54 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
To:     tj@...nel.org, josef@...icpanda.com, axboe@...nel.dk
Cc:     cgroups@...r.kernel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, yukuai3@...wei.com,
        yukuai1@...weicloud.com, yi.zhang@...wei.com
Subject: [PATCH v3 0/5] blk-iocost: random bugfix

From: Yu Kuai <yukuai3@...wei.com>

changes in v3:
 - move some patches into separate patchset
 - don't return other error number for match_u64() in patch 1
 - instead of checking user input separately, set page directly if
 'bps + IOC_PAGE_SIZE' will overflow.

Li Nan (2):
  blk-iocost: fix divide by 0 error in calc_lcoefs()
  blk-iocost: change div64_u64 to DIV64_U64_ROUND_UP in
    ioc_refresh_params()

Yu Kuai (3):
  blk-iocost: check return value of match_u64()
  blk-iocost: don't allow to configure bio based device
  blk-iocost: read params inside lock in sysfs apis

 block/blk-iocost.c | 31 +++++++++++++++++++++++++------
 1 file changed, 25 insertions(+), 6 deletions(-)

-- 
2.31.1