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Date:   Tue, 12 Feb 2019 21:33:18 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     David Howells <dhowells@...hat.com>,
        Sasha Levin <sashal@...nel.org>, linux-afs@...ts.infradead.org
Subject: [PATCH AUTOSEL 4.20 087/105] afs: Provide a function to get a ref on a call

From: David Howells <dhowells@...hat.com>

[ Upstream commit 7a75b0079a1d54e342c502c3c8107ba97e05d3d3 ]

Provide a function to get a reference on an afs_call struct.

Signed-off-by: David Howells <dhowells@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 fs/afs/rxrpc.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index a7b44863d502..4830e0a6bf1d 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -203,20 +203,26 @@ void afs_put_call(struct afs_call *call)
 	}
 }
 
+static struct afs_call *afs_get_call(struct afs_call *call,
+				     enum afs_call_trace why)
+{
+	int u = atomic_inc_return(&call->usage);
+
+	trace_afs_call(call, why, u,
+		       atomic_read(&call->net->nr_outstanding_calls),
+		       __builtin_return_address(0));
+	return call;
+}
+
 /*
  * Queue the call for actual work.
  */
 static void afs_queue_call_work(struct afs_call *call)
 {
 	if (call->type->work) {
-		int u = atomic_inc_return(&call->usage);
-
-		trace_afs_call(call, afs_call_trace_work, u,
-			       atomic_read(&call->net->nr_outstanding_calls),
-			       __builtin_return_address(0));
-
 		INIT_WORK(&call->work, call->type->work);
 
+		afs_get_call(call, afs_call_trace_work);
 		if (!queue_work(afs_wq, &call->work))
 			afs_put_call(call);
 	}
-- 
2.19.1

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