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blk-cgroup: remove legacy queue bypassing

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We only support mq devices now.

Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2018-10-11 17:46:00 -06:00
parent 3c7741567b
commit 2cdf2caecd
1 changed files with 0 additions and 8 deletions
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8
block/blk-cgroup.c
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@ -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);