elevator: remove an outdated comment in elevator_change

mq is no longer a special case.

Signed-off-by: Jinlong Chen <nickyc975@zju.edu.cn>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/cbf47824fc726440371e74c867bf635ae1b671a3.1669126766.git.nickyc975@zju.edu.cn
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/elevator.c b/block/elevator.c
index 5287b39..5994136 100644 (file)
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -721,9 +721,6 @@ static int elevator_change(struct request_queue *q, const char *elevator_name)
        if (!blk_queue_registered(q))
                return -ENOENT;
 
-       /*
-        * Special case for mq, turn off scheduling
-        */
        if (!strncmp(elevator_name, "none", 4)) {
                if (q->elevator)
                        elevator_disable(q);