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-rw-r--r--drivers/block/nbd.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 018753c59b8e..b53fdb0a282c 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -655,6 +655,7 @@ static int __init nbd_init(void)
for (i = 0; i < nbds_max; i++) {
struct gendisk *disk = alloc_disk(1);
+ elevator_t *old_e;
if (!disk)
goto out;
nbd_dev[i].disk = disk;
@@ -668,6 +669,11 @@ 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);
+ }
}
if (register_blkdev(NBD_MAJOR, "nbd")) {
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