From 9014db202cb764b8e14c53e7bacc81f9a1a2ba7f Mon Sep 17 00:00:00 2001
From: Stefan Raspl <stefan.raspl@linux.ibm.com>
Date: Thu, 3 May 2018 18:12:39 +0200
Subject: smc: add support for splice()

Provide an implementation for splice() when we are using SMC. See
smc_splice_read() for further details.

Signed-off-by: Stefan Raspl <raspl@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com><
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/smc/smc.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'net/smc/smc.h')

diff --git a/net/smc/smc.h b/net/smc/smc.h
index 2405e889b93d..ec209cd48d42 100644
--- a/net/smc/smc.h
+++ b/net/smc/smc.h
@@ -164,6 +164,9 @@ struct smc_connection {
 	atomic_t		bytes_to_rcv;	/* arrived data,
 						 * not yet received
 						 */
+	atomic_t		splice_pending;	/* number of spliced bytes
+						 * pending processing
+						 */
 #ifndef KERNEL_HAS_ATOMIC64
 	spinlock_t		acurs_lock;	/* protect cursors */
 #endif
-- 
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