linux-kernel - [Patch v6 12/22] CIFS: SMBD: Upper layer destroys SMB Direct session on shutdown or umount

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Message-Id: <20171105054404.23886-13-longli@exchange.microsoft.com>
Date:   Sat,  4 Nov 2017 22:43:54 -0700
From:   Long Li <longli@...hange.microsoft.com>
To:     Steve French <sfrench@...ba.org>, linux-cifs@...r.kernel.org,
        samba-technical@...ts.samba.org, linux-kernel@...r.kernel.org,
        linux-rdma@...r.kernel.org, Christoph Hellwig <hch@...radead.org>,
        Tom Talpey <ttalpey@...rosoft.com>,
        Matthew Wilcox <mawilcox@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>
Cc:     Long Li <longli@...rosoft.com>
Subject: [Patch v6 12/22] CIFS: SMBD: Upper layer destroys SMB Direct session on shutdown or umount

From: Long Li <longli@...rosoft.com>

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

Signed-off-by: Long Li <longli@...rosoft.com>
---
 fs/cifs/connect.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 8ca3c13..23f10d1 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -707,7 +707,12 @@ static void clean_demultiplex_info(struct TCP_Server_Info *server)
 	wake_up_all(&server->request_q);
 	/* give those requests time to exit */
 	msleep(125);
-
+#ifdef CONFIG_CIFS_SMB_DIRECT
+	if (server->smbd_conn) {
+		smbd_destroy(server->smbd_conn);
+		server->smbd_conn = NULL;
+	}
+#endif
 	if (server->ssocket) {
 		sock_release(server->ssocket);
 		server->ssocket = NULL;
-- 
2.7.4