linux-kernel - [PATCH v3 -next 0/2] blk-cgroup: synchoronize blkg creation against policy deactivation

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Date:   Tue, 19 Oct 2021 10:41:30 +0800
From:   Yu Kuai <yukuai3@...wei.com>
To:     <tj@...nel.org>, <axboe@...nel.dk>, <paolo.valente@...aro.org>,
        <avanzini.arianna@...il.com>, <fchecconi@...il.com>
CC:     <cgroups@...r.kernel.org>, <linux-block@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <yukuai3@...wei.com>,
        <yi.zhang@...wei.com>
Subject: [PATCH v3 -next 0/2] blk-cgroup: synchoronize blkg creation against policy deactivation

Changes in V3:
 - grab q_usage_counter in blkg_conf_prep() instead of introducing a
 new mutex.

Changes in V2:
 - rename the patch title
 - instead of checking policy in blkg_create(), using a new solution.

Yu Kuai (2):
  blk-cgroup: don't call blk_mq_freeze_queue() in
    blkcg_deactivate_policy()
  blk-cgroup: synchoronize blkg creation against policy deactivation

 block/blk-cgroup.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

-- 
2.31.1