diff options
Diffstat (limited to 'block/blk-mq-sched.c')
| -rw-r--r-- | block/blk-mq-sched.c | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index 98c6a97729f2..b942b38000e5 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -18,8 +18,9 @@ #include "blk-mq-tag.h" #include "blk-wbt.h" -struct io_cq *blk_mq_sched_get_icq(struct request_queue *q) +void blk_mq_sched_assign_ioc(struct request *rq) { + struct request_queue *q = rq->q; struct io_context *ioc; struct io_cq *icq; @@ -27,27 +28,22 @@ struct io_cq *blk_mq_sched_get_icq(struct request_queue *q) if (unlikely(!current->io_context)) create_task_io_context(current, GFP_ATOMIC, q->node); - /* May not have an IO context if context creation failed */ + /* + * May not have an IO context if it's a passthrough request + */ ioc = current->io_context; if (!ioc) - return NULL; + return; spin_lock_irq(&q->queue_lock); icq = ioc_lookup_icq(ioc, q); spin_unlock_irq(&q->queue_lock); - if (icq) - return icq; - return ioc_create_icq(ioc, q, GFP_ATOMIC); -} -EXPORT_SYMBOL(blk_mq_sched_get_icq); -void blk_mq_sched_assign_ioc(struct request *rq) -{ - struct io_cq *icq; - - icq = blk_mq_sched_get_icq(rq->q); - if (!icq) - return; + if (!icq) { + icq = ioc_create_icq(ioc, q, GFP_ATOMIC); + if (!icq) + return; + } get_io_context(icq->ioc); rq->elv.icq = icq; } |