diff options
Diffstat (limited to 'block/blk-core.c')
| -rw-r--r-- | block/blk-core.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 04029ffea031..5ad7bd93077c 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -285,43 +285,6 @@ void blk_queue_start_drain(struct request_queue *q) } /** - * blk_cleanup_queue - shutdown a request queue - * @q: request queue to shutdown - * - * Mark @q DYING, drain all pending requests, mark @q DEAD, destroy and - * put it. All future requests will be failed immediately with -ENODEV. - * - * Context: can sleep - */ -void blk_cleanup_queue(struct request_queue *q) -{ - /* cannot be called from atomic context */ - might_sleep(); - - WARN_ON_ONCE(blk_queue_registered(q)); - - /* mark @q DYING, no new request or merges will be allowed afterwards */ - blk_queue_flag_set(QUEUE_FLAG_DYING, q); - blk_queue_start_drain(q); - - /* - * Drain all requests queued before DYING marking. Set DEAD flag to - * prevent that blk_mq_run_hw_queues() accesses the hardware queues - * after draining finished. - */ - blk_freeze_queue(q); - blk_sync_queue(q); - if (queue_is_mq(q)) { - blk_mq_cancel_work_sync(q); - blk_mq_exit_queue(q); - } - - /* @q is and will stay empty, shutdown and put */ - blk_put_queue(q); -} -EXPORT_SYMBOL(blk_cleanup_queue); - -/** * blk_queue_enter() - try to increase q->q_usage_counter * @q: request queue pointer * @flags: BLK_MQ_REQ_NOWAIT and/or BLK_MQ_REQ_PM |