Commit dc8cbb65 authored by Jens Axboe's avatar Jens Axboe
Browse files

block: remove dead struc request->completion_data field 



It's no longer used. While in there, also update the comment as to why
it can coexist with the rb_node.

Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 2fb48d88

include/linux/blk-mq.h

+3 −3
Original line number Diff line number Diff line
@@ -158,13 +158,13 @@ struct request { 


	/*

	 * The rb_node is only used inside the io scheduler, requests

	 * are pruned when moved to the dispatch queue. So let the

	 * completion_data share space with the rb_node.

	 * are pruned when moved to the dispatch queue. special_vec must

	 * only be used if RQF_SPECIAL_PAYLOAD is set, and those cannot be

	 * insert into an IO scheduler.

	 */

	union {

		struct rb_node rb_node;	/* sort/lookup */

		struct bio_vec special_vec;

		void *completion_data;

	};



	/*