[PATCH v2 4/7] blk-mq: Introduce blk_quiesce_queue() and blk_resume_queue()
Bart Van Assche
bart.vanassche at sandisk.com
Tue Oct 4 21:16:30 PDT 2016
On 10/01/16 15:56, Ming Lei wrote:
> If we just call the rcu/srcu read lock(or the mutex) around .queue_rq(), the
> above code needn't to be duplicated any more.
Can you have a look at the attached patch? That patch uses an srcu read
lock for all queue types, whether or not the BLK_MQ_F_BLOCKING flag has
been set. Additionally, I have dropped the QUEUE_FLAG_QUIESCING flag.
Just like previous versions, this patch has been tested.
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