Linux kernel bug fix: blk-mq: introduce new lock for protecting hctx->dispatch_wait
Subsystem: block (block/blk-mq.c)
Bug type: hang, severity: medium
Files changed: block/blk-mq.c;include/linux/blk-mq.h
Introduced by Jens Axboe on 2017-11-10 19:53:25 -0700; fixed by Ming Lei on 2018-07-09 09:07:52 -0600 (lifetime: 240 days)