On 06/06/2017 09:21 AM, Ming Lei wrote: > Hi, > > There is one big issue in current blk_mq_quiesce_queue(): > > - in case of direct issue or BLK_MQ_S_START_ON_RUN, dispatch won't > be prevented after blk_mq_quiesce_queue() is returned. > > > The 1st two patches fix two problems in direct issue, please consider > it for v4.12. > > The other 10 patches improves blk_mq_quiesce_queue(), and > make is easy to use, and avoid race between queue restart and > quiescing. These 10 patches should be for v4.13.
I've added 1-2 for 4.12, I'll review the rest for 4.13 when some cycles free up. -- Jens Axboe
