On 11/07/2017 02:59 AM, Ming Lei wrote:
> We have to put the driver tag if dispatch budget can't be got, otherwise
> it might cause IO deadlock, especially in case that size of tags is very
> small.
Fix looks correct to me, but it's missing a Fixes: line. I tried to
go back a little bit, but it looks like this failure case was
introduced just recently:
commit 88022d7201e96b43f1754b0358fc6bcd8dbdcde1
Author: Ming Lei <ming.lei@xxxxxxxxxx>
Date: Sun Nov 5 02:21:12 2017 +0800
blk-mq: don't handle failure in .get_budget
--
Jens Axboe
