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Commit 6544d229 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

block: enable polling by default if a poll map is initalized 



If the user did setup polling in the driver we should not require
another know in the block layer to enable it.

Reviewed-by: default avatarSagi Grimberg <sagi@grimberg.me>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 376f7ef8

block/blk-mq.c

+2 −0
Original line number Diff line number Diff line
@@ -2826,6 +2826,8 @@ struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set, 
	q->tag_set = set;



	q->queue_flags |= QUEUE_FLAG_MQ_DEFAULT;

	if (set->nr_maps > HCTX_TYPE_POLL)

		blk_queue_flag_set(QUEUE_FLAG_POLL, q);



	if (!(set->flags & BLK_MQ_F_SG_MERGE))

		blk_queue_flag_set(QUEUE_FLAG_NO_SG_MERGE, q);