2017-11-08 01:24:14

by Bart Van Assche

[permalink] [raw]
Subject: Re: [PATCH 1/1] [RFC] blk-mq: fix queue stalling on shared hctx restart

On Wed, 2017-10-18 at 12:22 +0200, Roman Pen wrote:
> the patch below fixes queue stalling when shared hctx marked for restart
> (BLK_MQ_S_SCHED_RESTART bit) but q->shared_hctx_restart stays zero.

Since I have been able to reproduce this queue stall with an upstream driver
(ib_srp) and since I also have been able to verify that this patch fixes that
stall:

Reviewed-by: Bart Van Assche <[email protected]>
Tested-by: Bart Van Assche <[email protected]>