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>

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 87a0a29f6e7e3c5a5f84332cc72de4543e6a86dd..f91e7ac3fa320dc40bd2adc3e37bc2e572931efa 100644 (file)
--- 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;
 }