linux-kernel - [Patch v8 03/16] CIFS: SMBD: Upper layer reconnects to SMB Direct session

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Message-Id: <20171123003849.17093-4-longli@exchange.microsoft.com>
Date:   Wed, 22 Nov 2017 17:38:36 -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 v8 03/16] CIFS: SMBD: Upper layer reconnects to SMB Direct session

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

Do a reconnect on SMB Direct when it is used as the connection. Reconnect can
happen for many reasons and it's mostly the decision of SMB2 upper layer.

Signed-off-by: Long Li <longli@...rosoft.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 fafaecb..fc46066 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -406,7 +406,10 @@ cifs_reconnect(struct TCP_Server_Info *server)
 
 		/* we should try only the port we connected to before */
 		mutex_lock(&server->srv_mutex);
-		rc = generic_ip_connect(server);
+		if (cifs_rdma_enabled(server))
+			rc = smbd_reconnect(server);
+		else
+			rc = generic_ip_connect(server);
 		if (rc) {
 			cifs_dbg(FYI, "reconnect error %d\n", rc);
 			mutex_unlock(&server->srv_mutex);
-- 
2.7.4