[PATCH 0/4] blk-mq: allow to unfreeze queue when io isn't drained

Hi, The 1st patch is one cleanup and prepares for introducing percpu_ref_resurge(). The 2nd patch introduces percpu_ref_resurge() for implementing blk_mq_unfreeze_queue_no_drain_io(). The 3rd patch introdces blk_mq_unfreeze_queue_no_drain_io() for cases in which queue can be unfreeze without

[PATCH 0/4] blk-mq: allow to unfreeze queue when io isn't drained

Hi, The 1st patch is one cleanup and prepares for introducing percpu_ref_resurge(). The 2nd patch introduces percpu_ref_resurge() for implementing blk_mq_unfreeze_queue_no_drain_io(). The 3rd patch introdces blk_mq_unfreeze_queue_no_drain_io() for cases in which queue can be unfreeze without