From 2e13456fb3d3e5f462dc1e59efc04eb62df35566 Mon Sep 17 00:00:00 2001
From: Josef Bacik <jbacik@fb.com>
Date: Fri, 21 Jul 2017 10:48:13 -0400
Subject: [PATCH] nbd: allow multiple disconnects to be sent

There's no reason to limit ourselves to one disconnect message per
socket.  Sometimes networks do strange things, might as well let
sysadmins hit the panic button as much as they want.

Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 drivers/block/nbd.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 87a0a29f6e7e..f91e7ac3fa32 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -991,9 +991,8 @@ static int nbd_disconnect(struct nbd_device *nbd)
 	struct nbd_config *config = nbd->config;
 
 	dev_info(disk_to_dev(nbd->disk), "NBD_DISCONNECT\n");
-	if (!test_and_set_bit(NBD_DISCONNECT_REQUESTED,
-			      &config->runtime_flags))
-		send_disconnects(nbd);
+	set_bit(NBD_DISCONNECT_REQUESTED, &config->runtime_flags);
+	send_disconnects(nbd);
 	return 0;
 }