From: Dan Melnic <dmm@fb.com>
Date: Mon, 18 Sep 2017 20:08:51 +0000 (-0700)
Subject: block/ndb: add WQ_UNBOUND to the knbd-recv workqueue
X-Git-Tag: v4.18-rc1~192^2~85
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=2189c97cdbed630d5971ab22f05dc998774e354e;p=linux.git

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 abc0a815354f..1147e4680c80 100644
--- 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;