From 36ffdf330b73891250138da3e05e124552fe8f3a Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bart.vanassche@sandisk.com>
Date: Wed, 15 Apr 2015 13:08:16 +0200
Subject: [PATCH] scst_local: RHEL 5 build fix

Add a definition of scsi_bidi_cmnd() for older kernel versions.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
---
 scst/include/scst.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/scst/include/scst.h b/scst/include/scst.h
index de31644b4..27940144b 100644
--- a/scst/include/scst.h
+++ b/scst/include/scst.h
@@ -136,6 +136,17 @@ char *kvasprintf(gfp_t gfp, const char *fmt, va_list ap);
 typedef unsigned long uintptr_t;
 #endif
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 24)
+/*
+ * See also patch "[SCSI] bidirectional command support"
+ * (commit ID 6f9a35e2dafa).
+ */
+static inline int scsi_bidi_cmnd(struct scsi_cmnd *cmd)
+{
+	return false;
+}
+#endif
+
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 28)
 #define cpumask_bits(maskp) ((maskp)->bits)
 #ifdef CONFIG_CPUMASK_OFFSTACK