package/compcache: use mainline modules for kernels >=2.6.33 (thank you nbd)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22458 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 50 insertions, 0 deletions

diff --git a/package/compcache/files/compcache.init.new b/package/compcache/files/compcache.init.new
new file mode 100644
index 000000000..18aead9f2
--- /dev/null
+++ b/package/compcache/files/compcache.init.new
@@ -0,0 +1,50 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2008 OpenWrt.org
+START=14
+
+load_modules() {
+	local section="$1"
+	config_get "size_kbytes" "$section" "size_kbytes"
+	config_get "backup_dev" "$section" "backup_dev"
+	#CC_PARAM_STR="memlimit_kb=$1 backing_dev=$BACKING_DEV"
+	config_get_bool "enabled" "$section" "enabled" '1'
+	if [ "$enabled" -gt 0 ]; then
+		if [ "`cat /proc/swaps | grep 'ramzswap0'`" != "" ]; then
+			echo "compcache already loaded"
+		else
+			if [ "$backup_dev" != "" ]; then
+				params_set="memlimit_kb=$size_kbytes backing_swap=$backup_dev"
+			else
+				params_set="disksize_kb=$size_kbytes"
+			fi
+			if [ "`lsmod | grep 'ramzswap'`" == "" ]; then
+				insmod lzo_compress
+				insmod lzo_decompress
+				insmod ramzswap $params_set
+				sleep 2
+				swapon /dev/ramzswap0
+			fi
+		fi
+	fi
+}
+
+remove_modules() {
+	local section="$1"
+	config_get_bool "enabled" "$section" "enabled" '1'
+	if [ "$enabled" -gt 0 ]; then
+		[ "`cat /proc/swaps | grep 'ramzswap0'`" != "" ] && swapoff /dev/ramzswap0
+		[ "`lsmod | grep 'ramzswap'`" != "" ] && rmmod ramzswap &> /dev/null
+		[ "`lsmod | grep 'lzo_compress'`" != "" ] && rmmod lzo_compress &> /dev/null
+		[ "`lsmod | grep 'lzo_decompress'`" != "" ] && rmmod lzo_decompress &> /dev/null
+	fi
+}
+
+start() {
+	config_load "compcache"
+	config_foreach load_modules "compcache"
+}
+
+stop() {
+	config_load "compcache"
+	config_foreach remove_modules "compcache"
+}