[PATCH 4.14 47/61] block/ndb: add WQ_UNBOUND to the knbd-recv workqueue

From: Greg Kroah-Hartman
Date: Thu Oct 10 2019 - 04:51:42 EST


From: Dan Melnic <dmm@xxxxxx>

[ Upstream commit 2189c97cdbed630d5971ab22f05dc998774e354e ]

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@xxxxxx>
Reviewed-by: Josef Bacik <jbacik@xxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/block/nbd.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index a65e4ed6c9372..14b491c5cf7b6 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -2217,7 +2217,8 @@ 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;

--
2.20.1