From 9a91491affa594c77d0da0ce8e2657b333b549dc Mon Sep 17 00:00:00 2001
From: yujian <yujian>
Date: Thu, 15 Dec 2005 12:16:40 +0000
Subject: [PATCH] A shell script to add lnet options line to modprobe.conf or
 modules.conf

---
 lustre/utils/add_lnet_options.sh | 60 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100755 lustre/utils/add_lnet_options.sh

diff --git a/lustre/utils/add_lnet_options.sh b/lustre/utils/add_lnet_options.sh
new file mode 100755
index 0000000..9f845ba
--- /dev/null
+++ b/lustre/utils/add_lnet_options.sh
@@ -0,0 +1,60 @@
+#!/bin/bash
+#
+# add_lnet_options.sh - add lnet options lines into modprobe.conf or modules.conf
+#
+#################################################################################
+
+# Check the kernel version
+KERNEL_VERSION=`uname -r`
+KERNEL_VERSION=${KERNEL_VERSION:0:3}
+
+if [ "${KERNEL_VERSION}" = "2.4" ]; then
+	MODULE_CONF=/etc/modules.conf
+else
+	MODULE_CONF=/etc/modprobe.conf
+fi
+
+read -r NETWORKS
+MODLINES_FILE=$"/tmp/modlines.txt"
+START_MARKER=$"# start lustre config"
+END_MARKER=$"# end lustre config"
+
+# Generate a temp file contains lnet options lines 
+generate_lnet_lines() {
+	local LNET_LINE TMP_LINE
+
+	TMP_LINE="${NETWORKS}"
+
+	echo ${START_MARKER} > ${MODLINES_FILE}
+	while true; do
+		LNET_LINE=${TMP_LINE%%\\n*}
+        	echo ${LNET_LINE} >> ${MODLINES_FILE}
+
+        	TMP_LINE=${TMP_LINE#*\\n}
+
+		if [ "${TMP_LINE}" == "${LNET_LINE}" ]; then
+                	break
+        	fi
+	done
+	echo ${END_MARKER} >> ${MODLINES_FILE}
+
+	#echo "--------------${MODLINES_FILE}--------------"
+	#cat ${MODLINES_FILE}
+	#echo -e "------------------------------------------\n"
+
+	return 0
+}
+
+if ! generate_lnet_lines; then
+	exit 1	
+fi
+
+# Add lnet options lines to the module configuration file
+if [ -e ${MODULE_CONF} ]; then
+	# Delete the old options
+	sed -i "/${START_MARKER}/,/${END_MARKER}/d" ${MODULE_CONF}
+fi
+
+cat ${MODLINES_FILE} >> ${MODULE_CONF}
+rm -f ${MODLINES_FILE}
+exit 0
-- 
1.8.3.1