Re: [PATCH block-5.15] blk-cgroup: blk_cgroup_bio_start() should use irq-safe operations on blkg->iostat_cpu
From: Jens Axboe <axboe@kernel.dk>
Date: 2021-10-17 16:40:27
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On Thu, 14 Oct 2021 13:20:22 -1000, Tejun Heo wrote:
c3df5fb57fe8 ("cgroup: rstat: fix A-A deadlock on 32bit around
u64_stats_sync") made u64_stats updates irq-safe to avoid A-A deadlocks.
Unfortunately, the conversion missed one in blk_cgroup_bio_start(). Fix it.
Applied, thanks!
[1/1] blk-cgroup: blk_cgroup_bio_start() should use irq-safe operations on blkg->iostat_cpu
commit: 5370b0f49078203acf3c064b634a09707167a864
Best regards,
--
Jens Axboe