Linux kernel bug fix: blk-mq: order adding requests to hctx->dispatch and checking SCHED_RESTART
Subsystem: block (block/blk-mq-sched.c)
Bug type: hang, severity: medium
Files changed: block/blk-mq-sched.c;block/blk-mq.c
Introduced by Jens Axboe on 2017-01-17 10:04:20 -0700; fixed by Ming Lei on 2020-08-17 06:57:49 -0700 (lifetime: 1307 days)