linux-kernel - [PATCH net-next] net/smc: remove unused inline function smc_curs

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Message-ID: <20200429132623.48608-1-yuehaibing@huawei.com>
Date:   Wed, 29 Apr 2020 21:26:23 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <ubraun@...ux.ibm.com>, <kgraul@...ux.ibm.com>,
        <davem@...emloft.net>, <kuba@...nel.org>, <yuehaibing@...wei.com>
CC:     <linux-s390@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH net-next] net/smc: remove unused inline function smc_curs_read

commit bac6de7b6370 ("net/smc: eliminate cursor read and write calls")
left behind this.

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 net/smc/smc_cdc.h | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/net/smc/smc_cdc.h b/net/smc/smc_cdc.h
index 861dc24c588c..5a19e5e2280e 100644
--- a/net/smc/smc_cdc.h
+++ b/net/smc/smc_cdc.h
@@ -97,23 +97,6 @@ static inline void smc_curs_add(int size, union smc_host_cursor *curs,
 	}
 }
 
-/* SMC cursors are 8 bytes long and require atomic reading and writing */
-static inline u64 smc_curs_read(union smc_host_cursor *curs,
-				struct smc_connection *conn)
-{
-#ifndef KERNEL_HAS_ATOMIC64
-	unsigned long flags;
-	u64 ret;
-
-	spin_lock_irqsave(&conn->acurs_lock, flags);
-	ret = curs->acurs;
-	spin_unlock_irqrestore(&conn->acurs_lock, flags);
-	return ret;
-#else
-	return atomic64_read(&curs->acurs);
-#endif
-}
-
 /* Copy cursor src into tgt */
 static inline void smc_curs_copy(union smc_host_cursor *tgt,
 				 union smc_host_cursor *src,
-- 
2.17.1