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net/smc: remove unused inline function smc_curs_read
authorYueHaibing <yuehaibing@huawei.com>
Tue, 5 May 2020 13:01:21 +0000 (15:01 +0200)
committerDavid S. Miller <davem@davemloft.net>
Tue, 5 May 2020 19:56:52 +0000 (12:56 -0700)
commit bac6de7b6370 ("net/smc: eliminate cursor read and write calls")
left behind this.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/smc/smc_cdc.h

index 9cfabc9..2ddcc5f 100644 (file)
@@ -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,