block/ndb: add WQ_UNBOUND to the knbd-recv workqueue

Add WQ_UNBOUND to the knbd-recv workqueue so we're not bound
to a single CPU that is selected at device creation time.

Signed-off-by: Dan Melnic <dmm@fb.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index abc0a81..1147e46 100644 (file)
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -2106,7 +2106,8 @@ static int __init nbd_init(void)
        if (nbds_max > 1UL << (MINORBITS - part_shift))
                return -EINVAL;
        recv_workqueue = alloc_workqueue("knbd-recv",
-                                        WQ_MEM_RECLAIM | WQ_HIGHPRI, 0);
+                                        WQ_MEM_RECLAIM | WQ_HIGHPRI |
+                                        WQ_UNBOUND, 0);
        if (!recv_workqueue)
                return -ENOMEM;