Re: [PATCH v2 for-6.18/block 08/10] blk-mq: fix potential deadlock while nr_requests grown
From: Nilay Shroff <hidden>
Date: 2025-09-10 10:11:41
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On 9/10/25 1:34 PM, Yu Kuai wrote:
From: Yu Kuai <redacted> Allocate and free sched_tags while queue is freezed can deadlock[1], this is a long term problem, hence allocate memory before freezing queue and free memory after queue is unfreezed. [1] https://lore.kernel.org/all/0659ea8d-a463-47c8-9180-43c719e106eb@linux.ibm.com/ (local) Fixes: e3a2b3f931f5 ("blk-mq: allow changing of queue depth through sysfs") Signed-off-by: Yu Kuai <redacted>
Looks good to me: Reviewed-by: Nilay Shroff <redacted>