Commit 4ca08500 authored by Ming Lei's avatar Ming Lei Committed by Jens Axboe
Browse files

blk-mq: user (1 << order) to implement order_to_size() 



Cc: Jörg-Volker Peetz <jvpeetz@web.de>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: default avatarMing Lei <tom.leiming@gmail.com>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent 48479005

block/blk-mq.c

+1 −6
Original line number Diff line number Diff line
@@ -1130,12 +1130,7 @@ static void blk_mq_free_rq_map(struct blk_mq_tag_set *set, 


static size_t order_to_size(unsigned int order)

{

	size_t ret = PAGE_SIZE;



	while (order--)

		ret *= 2;



	return ret;

	return (size_t)PAGE_SIZE << order;

}



static struct blk_mq_tags *blk_mq_init_rq_map(struct blk_mq_tag_set *set,