From 31dcfab0ae6eb0340d456931df4d478e17efc65d Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Fri, 31 Oct 2008 10:06:37 +0100 Subject: [PATCH] nbd: tell the block layer that it is not a rotational device Then we can get rid of that manual elevator type fiddling. Signed-off-by: Jens Axboe --- drivers/block/nbd.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 0766ce6187a9..7bcc1d8bc967 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -722,7 +722,6 @@ static int __init nbd_init(void) for (i = 0; i < nbds_max; i++) { struct gendisk *disk = alloc_disk(1 << part_shift); - struct elevator_queue *old_e; if (!disk) goto out; nbd_dev[i].disk = disk; @@ -736,11 +735,10 @@ static int __init nbd_init(void) put_disk(disk); goto out; } - old_e = disk->queue->elevator; - if (elevator_init(disk->queue, "deadline") == 0 || - elevator_init(disk->queue, "noop") == 0) { - elevator_exit(old_e); - } + /* + * Tell the block layer that we are not a rotational device + */ + queue_flag_set_unlocked(QUEUE_FLAG_NONROT, disk->queue); } if (register_blkdev(NBD_MAJOR, "nbd")) { -- 2.20.1