From 8f033f3f9d5065289d9f3617abc9fb0fa9963358 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Sun, 25 Aug 2019 22:54:15 +0000
Subject: [PATCH] scst: Backport scsi_cmd_priv()

git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@8565 d57e44dd-8a1f-0410-8b47-8ef2f437770f
---
 scst/include/backport.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/scst/include/backport.h b/scst/include/backport.h
index 5f3be247d..112c8dc98 100644
--- a/scst/include/backport.h
+++ b/scst/include/backport.h
@@ -1586,6 +1586,14 @@ static inline int scsi_bidi_cmnd(struct scsi_cmnd *cmd)
 }
 #endif
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 16, 0)
+/* See also commit b54197c43db8 ("virtio_scsi: use cmd_size") # v3.16. */
+static inline void *scsi_cmd_priv(struct scsi_cmnd *cmd)
+{
+	return cmd + 1;
+}
+#endif
+
 /* <scsi/scsi_request.h> */
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 11, 0)