diff options
| -rw-r--r-- | block/blk-mq.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/block/blk-mq.h b/block/blk-mq.h index b63a0de8a07a..d1ed096723fb 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -105,14 +105,17 @@ static inline struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *q, { enum hctx_type type = HCTX_TYPE_DEFAULT; - if (q->tag_set->nr_maps > HCTX_TYPE_POLL && - ((flags & REQ_HIPRI) && test_bit(QUEUE_FLAG_POLL, &q->queue_flags))) + if ((flags & REQ_HIPRI) && + q->tag_set->nr_maps > HCTX_TYPE_POLL && + q->tag_set->map[HCTX_TYPE_POLL].nr_queues && + test_bit(QUEUE_FLAG_POLL, &q->queue_flags)) type = HCTX_TYPE_POLL; - else if (q->tag_set->nr_maps > HCTX_TYPE_READ && - ((flags & REQ_OP_MASK) == REQ_OP_READ)) + else if (((flags & REQ_OP_MASK) == REQ_OP_READ) && + q->tag_set->nr_maps > HCTX_TYPE_READ && + q->tag_set->map[HCTX_TYPE_READ].nr_queues) type = HCTX_TYPE_READ; - + return blk_mq_map_queue_type(q, type, cpu); } |