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From:   trondmy@kernel.org
To:     linux-nfs@vger.kernel.org
Subject: [PATCH 2/2] SUNRPC: Clean up scheduling of autoclose
Date:   Mon, 26 Jul 2021 07:59:24 -0400
Message-Id: <20210726115924.8576-2-trondmy@kernel.org>
In-Reply-To: <20210726115924.8576-1-trondmy@kernel.org>
References: <20210726115924.8576-1-trondmy@kernel.org>
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From: Trond Myklebust <trond.myklebust@hammerspace.com>

Consolidate duplicated code in xprt_force_disconnect() and
xprt_conditional_disconnect().

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
 net/sunrpc/xprt.c | 28 ++++++++++++++++------------
 1 file changed, 16 insertions(+), 12 deletions(-)

diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index bddd354a0076..aae5a328b15b 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -760,6 +760,20 @@ void xprt_disconnect_done(struct rpc_xprt *xprt)
 }
 EXPORT_SYMBOL_GPL(xprt_disconnect_done);
 
+/**
+ * xprt_schedule_autoclose_locked - Try to schedule an autoclose RPC call
+ * @xprt: transport to disconnect
+ */
+static void xprt_schedule_autoclose_locked(struct rpc_xprt *xprt)
+{
+	set_bit(XPRT_CLOSE_WAIT, &xprt->state);
+	if (test_and_set_bit(XPRT_LOCKED, &xprt->state) == 0)
+		queue_work(xprtiod_workqueue, &xprt->task_cleanup);
+	else if (xprt->snd_task && !test_bit(XPRT_SND_IS_COOKIE, &xprt->state))
+		rpc_wake_up_queued_task_set_status(&xprt->pending,
+						   xprt->snd_task, -ENOTCONN);
+}
+
 /**
  * xprt_force_disconnect - force a transport to disconnect
  * @xprt: transport to disconnect
@@ -771,13 +785,7 @@ void xprt_force_disconnect(struct rpc_xprt *xprt)
 
 	/* Don't race with the test_bit() in xprt_clear_locked() */
 	spin_lock(&xprt->transport_lock);
-	set_bit(XPRT_CLOSE_WAIT, &xprt->state);
-	/* Try to schedule an autoclose RPC call */
-	if (test_and_set_bit(XPRT_LOCKED, &xprt->state) == 0)
-		queue_work(xprtiod_workqueue, &xprt->task_cleanup);
-	else if (xprt->snd_task && !test_bit(XPRT_SND_IS_COOKIE, &xprt->state))
-		rpc_wake_up_queued_task_set_status(&xprt->pending,
-						   xprt->snd_task, -ENOTCONN);
+	xprt_schedule_autoclose_locked(xprt);
 	spin_unlock(&xprt->transport_lock);
 }
 EXPORT_SYMBOL_GPL(xprt_force_disconnect);
@@ -817,11 +825,7 @@ void xprt_conditional_disconnect(struct rpc_xprt *xprt, unsigned int cookie)
 		goto out;
 	if (test_bit(XPRT_CLOSING, &xprt->state))
 		goto out;
-	set_bit(XPRT_CLOSE_WAIT, &xprt->state);
-	/* Try to schedule an autoclose RPC call */
-	if (test_and_set_bit(XPRT_LOCKED, &xprt->state) == 0)
-		queue_work(xprtiod_workqueue, &xprt->task_cleanup);
-	xprt_wake_pending_tasks(xprt, -EAGAIN);
+	xprt_schedule_autoclose_locked(xprt);
 out:
 	spin_unlock(&xprt->transport_lock);
 }
-- 
2.31.1