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Commit 2cdf2cae authored by Jens Axboe's avatar Jens Axboe
Browse files

blk-cgroup: remove legacy queue bypassing 



We only support mq devices now.

Reviewed-by: default avatarHannes Reinecke <hare@suse.com>
Tested-by: default avatarMing Lei <ming.lei@redhat.com>
Reviewed-by: default avatarOmar Sandoval <osandov@fb.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 3c774156

block/blk-cgroup.c

+0 −8
Original line number Diff line number Diff line
@@ -1398,8 +1398,6 @@ int blkcg_activate_policy(struct request_queue *q, 


	if (q->mq_ops)

		blk_mq_freeze_queue(q);

	else

		blk_queue_bypass_start(q);

pd_prealloc:

	if (!pd_prealloc) {

		pd_prealloc = pol->pd_alloc_fn(GFP_KERNEL, q->node);
@@ -1439,8 +1437,6 @@ int blkcg_activate_policy(struct request_queue *q, 
out_bypass_end:

	if (q->mq_ops)

		blk_mq_unfreeze_queue(q);

	else

		blk_queue_bypass_end(q);

	if (pd_prealloc)

		pol->pd_free_fn(pd_prealloc);

	return ret;
@@ -1465,8 +1461,6 @@ void blkcg_deactivate_policy(struct request_queue *q, 


	if (q->mq_ops)

		blk_mq_freeze_queue(q);

	else

		blk_queue_bypass_start(q);



	spin_lock_irq(q->queue_lock);
@@ -1485,8 +1479,6 @@ void blkcg_deactivate_policy(struct request_queue *q, 


	if (q->mq_ops)

		blk_mq_unfreeze_queue(q);

	else

		blk_queue_bypass_end(q);

}

EXPORT_SYMBOL_GPL(blkcg_deactivate_policy);