diff options
| author | Jens Axboe <axboe@fb.com> | 2017-02-18 00:06:45 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-02-18 00:06:45 +0300 |
| commit | 6010720da8aab51f33beee63b73cf88016e9b250 (patch) | |
| tree | a4c5a7f645998e86a1f49cb05f8e0c4e51448294 /block/blk-cgroup.c | |
| parent | 2fe1e8a7b2f4dcac3fcb07ff06b0ae7396201fd6 (diff) | |
| parent | 8a9ae523282f324989850fcf41312b42a2fb9296 (diff) | |
| download | linux-6010720da8aab51f33beee63b73cf88016e9b250.tar.xz | |
Merge branch 'for-4.11/block' into for-4.11/linus-merge
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-cgroup.c')
| -rw-r--r-- | block/blk-cgroup.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 8ba0af780e88..fb59a3edc778 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1223,7 +1223,10 @@ int blkcg_activate_policy(struct request_queue *q, if (blkcg_policy_enabled(q, pol)) return 0; - blk_queue_bypass_start(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); @@ -1261,7 +1264,10 @@ pd_prealloc: spin_unlock_irq(q->queue_lock); out_bypass_end: - blk_queue_bypass_end(q); + 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; @@ -1284,7 +1290,11 @@ void blkcg_deactivate_policy(struct request_queue *q, if (!blkcg_policy_enabled(q, pol)) return; - blk_queue_bypass_start(q); + if (q->mq_ops) + blk_mq_freeze_queue(q); + else + blk_queue_bypass_start(q); + spin_lock_irq(q->queue_lock); __clear_bit(pol->plid, q->blkcg_pols); @@ -1304,7 +1314,11 @@ void blkcg_deactivate_policy(struct request_queue *q, } spin_unlock_irq(q->queue_lock); - blk_queue_bypass_end(q); + + if (q->mq_ops) + blk_mq_unfreeze_queue(q); + else + blk_queue_bypass_end(q); } EXPORT_SYMBOL_GPL(blkcg_deactivate_policy); |