From: Long Li <longli@microsoft.com>
Date: Wed, 22 Nov 2017 17:38:38 -0700
Subject: [PATCH] CIFS: SMBD: Upper layer destroys SMB Direct session on
 shutdown or umount
Git-commit: bce9ce7cc0766f5fe532cb89567ca2ac5ad80a1f
Patch-mainline: v4.15
References: bsc#1144333

When upper layer wants to umount, make it call shutdown on transport when
SMB Direct is used.

Signed-off-by: Long Li <longli@microsoft.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Acked-by: Aurelien Aptel <aaptel@suse.com>
---
 fs/cifs/connect.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index fc460663b308..d8bfa89161e2 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -704,7 +704,10 @@ static void clean_demultiplex_info(struct TCP_Server_Info *server)
 	wake_up_all(&server->request_q);
 	/* give those requests time to exit */
 	msleep(125);
-
+	if (cifs_rdma_enabled(server) && server->smbd_conn) {
+		smbd_destroy(server->smbd_conn);
+		server->smbd_conn = NULL;
+	}
 	if (server->ssocket) {
 		sock_release(server->ssocket);
 		server->ssocket = NULL;
-- 
2.16.4