From c94ead8a94ceeb3279221cd9441ed50ddca6c0ba Mon Sep 17 00:00:00 2001
From: Vladimir Sokolovsky <vlad@mellanox.com>
Date: Wed, 28 Aug 2019 13:43:47 -0500
Subject: [PATCH] Added macro for iSER on RHEL7.6

Signed-off-by: Vladimir Sokolovsky <vlad@mellanox.com>
---
 config/rdma.m4 | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/config/rdma.m4 b/config/rdma.m4
index d5b15d3..2b77c3c 100644
--- a/config/rdma.m4
+++ b/config/rdma.m4
@@ -3958,6 +3958,23 @@ AC_DEFUN([LINUX_CONFIG_COMPAT],
 		AC_MSG_RESULT(no)
 	])
 
+	AC_MSG_CHECKING([if scsi_host.h struct Scsi_Host has member virt_boundary_mask])
+	LB_LINUX_TRY_COMPILE([
+		#include <scsi/scsi_host.h>
+	],[
+		struct Scsi_Host sh = {
+			.virt_boundary_mask = 0,
+		};
+
+		return 0;
+	],[
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_SCSI_HOST_VIRT_BOUNDARY_MASK, 1,
+				[Scsi_Host has members virt_boundary_mask])
+	],[
+		AC_MSG_RESULT(no)
+	])
+
 	AC_MSG_CHECKING([if scsi_host.h struct scsi_host_template has member track_queue_depth])
 	LB_LINUX_TRY_COMPILE([
 		#include <scsi/scsi_host.h>
-- 
2.46.0