blk-mq: introduce blk_mq_unquiesce_queue
authorMing Lei <ming.lei@redhat.com>
Tue, 6 Jun 2017 15:22:03 +0000 (23:22 +0800)
committerJens Axboe <axboe@kernel.dk>
Sun, 18 Jun 2017 20:20:04 +0000 (14:20 -0600)
commite4e739131ac93d373cd2d2fd92820a6a39115ba5
tree7569770cf51a79c6b55390958f7bef3182287863
parent4f084b41a0c04a69067be98a210e6b50969f9945
blk-mq: introduce blk_mq_unquiesce_queue

blk_mq_start_stopped_hw_queues() is used implictly
as counterpart of blk_mq_quiesce_queue() for unquiescing queue,
so we introduce blk_mq_unquiesce_queue() and make it
as counterpart of blk_mq_quiesce_queue() explicitly.

This function is for improving the current quiescing mechanism
in the following patches.

Reviewed-by: Bart Van Assche <Bart.VanAssche@sandisk.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-mq.c
include/linux/blk-mq.h