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From:   Olga Kornievskaia <olga.kornievskaia@gmail.com>
To:     trond.myklebust@hammerspace.com, anna.schumaker@netapp.com
Cc:     linux-nfs@vger.kernel.org
Subject: [PATCH v2 1/8] SUNRPC mark the first transport
Date:   Wed, 23 Jun 2021 23:28:46 -0400
Message-Id: <20210624032853.4776-2-olga.kornievskaia@gmail.com>
In-Reply-To: <20210624032853.4776-1-olga.kornievskaia@gmail.com>
References: <20210624032853.4776-1-olga.kornievskaia@gmail.com>
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From: Olga Kornievskaia <kolga@netapp.com>

When an RPC client gets created it's first transport is special
and should be marked a main transport.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
---
 include/linux/sunrpc/xprt.h | 1 +
 net/sunrpc/clnt.c           | 1 +
 2 files changed, 2 insertions(+)

diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 13a4eaf385cf..692e5946c029 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -293,6 +293,7 @@ struct rpc_xprt {
 	struct rcu_head		rcu;
 	const struct xprt_class	*xprt_class;
 	struct rpc_sysfs_xprt	*xprt_sysfs;
+	bool			main; /*mark if this is the 1st transport */
 };
 
 #if defined(CONFIG_SUNRPC_BACKCHANNEL)
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 4d8fd9d9c264..7ca946567e13 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -412,6 +412,7 @@ static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args,
 	}
 
 	rpc_clnt_set_transport(clnt, xprt, timeout);
+	xprt->main = true;
 	xprt_iter_init(&clnt->cl_xpi, xps);
 	xprt_switch_put(xps);
 
-- 
2.27.0