From: Josef Bacik <jbacik@fb.com>
Date: Fri, 24 Mar 2017 18:08:28 +0000 (-0400)
Subject: nbd: set queue timeout properly
X-Git-Tag: v4.9.72~63
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=521a7e3dad6b216eb0058db5c64a1e706e514fc0;p=platform%2Fkernel%2Flinux-amlogic.git

nbd: set queue timeout properly


[ Upstream commit f8586855031a1d6b243f013c3082631346fddfad ]

We can't just set the timeout on the tagset, we have to set it on the
queue as it would have been setup already at this point.

Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 98b767d3171e..7d506cb73e54 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -654,7 +654,10 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd,
 		return nbd_size_set(nbd, bdev, nbd->blksize, arg);
 
 	case NBD_SET_TIMEOUT:
-		nbd->tag_set.timeout = arg * HZ;
+		if (arg) {
+			nbd->tag_set.timeout = arg * HZ;
+			blk_queue_rq_timeout(nbd->disk->queue, arg * HZ);
+		}
 		return 0;
 
 	case NBD_SET_FLAGS: