Received-SPF: pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Olga Kornievskaia <olga.kornievskaia@gmail.com>
To:     trond.myklebust@hammerspace.com, anna.schumaker@netapp.com
Cc:     linux-nfs@vger.kernel.org
Subject: [PATCH v1 12/12] NFSv4.1 probe offline transports for trunking on session creation
Date:   Mon, 20 Jun 2022 11:24:07 -0400
Message-Id: <20220620152407.63127-13-olga.kornievskaia@gmail.com>
In-Reply-To: <20220620152407.63127-1-olga.kornievskaia@gmail.com>
References: <20220620152407.63127-1-olga.kornievskaia@gmail.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

From: Olga Kornievskaia <kolga@netapp.com>

Once the session is established call into the SUNRPC layer to check
if any offlined trunking connections should be re-enabled.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
---
 fs/nfs/nfs4proc.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 00778f351283..6bf21bc8c074 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -9244,6 +9244,13 @@ int nfs4_proc_create_session(struct nfs_client *clp, const struct cred *cred)
 	int status;
 	unsigned *ptr;
 	struct nfs4_session *session = clp->cl_session;
+	struct nfs4_add_xprt_data xprtdata = {
+		.clp = clp,
+	};
+	struct rpc_add_xprt_test rpcdata = {
+		.add_xprt_test = clp->cl_mvops->session_trunk,
+		.data = &xprtdata,
+	};
 
 	dprintk("--> %s clp=%p session=%p\n", __func__, clp, session);
 
@@ -9260,6 +9267,7 @@ int nfs4_proc_create_session(struct nfs_client *clp, const struct cred *cred)
 	ptr = (unsigned *)&session->sess_id.data[0];
 	dprintk("%s client>seqid %d sessionid %u:%u:%u:%u\n", __func__,
 		clp->cl_seqid, ptr[0], ptr[1], ptr[2], ptr[3]);
+	rpc_probe_trunked_xprts(clp->cl_rpcclient, &rpcdata);
 out:
 	return status;
 }
-- 
2.27.0