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authorJens Axboe <jens.axboe@oracle.com>2008-10-31 10:06:37 +0100
committerJens Axboe <jens.axboe@oracle.com>2008-12-29 08:29:50 +0100
commit31dcfab0ae6eb0340d456931df4d478e17efc65d (patch)
treee6d7ed8e6f313a3f0240144d83b3951868724886 /drivers/block
parentb374d18a4bfce705e4a99ae9f501b53e86ecb283 (diff)
downloadblackbird-op-linux-31dcfab0ae6eb0340d456931df4d478e17efc65d.tar.gz
blackbird-op-linux-31dcfab0ae6eb0340d456931df4d478e17efc65d.zip
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 <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/nbd.c10
1 files 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")) {
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