Thread (8 messages) 8 messages, 3 authors, 2018-06-27

Re: [blk-mq Bug] race on removing hctx->dispatch_wait from wait queue

From: Bart Van Assche <hidden>
Date: 2018-06-27 20:00:08

On 06/26/18 17:49, Ming Lei wrote:
Only the waitqueue's lock is held for blk_mq_dispatch_wake(), but this
hctx->dispatch_wait can be added to another waitqueue, so it isn't
enough to just hold waitqueue's lock.
Hello Ming,

That makes sense to me. I will post an update that addresses this issue.

Bart.
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