[patch] Add support for user-space suspend with splash, encryption and compression support

genkernel-resume-user-space-suspend.patch (text/plain), 1.44 KB, created by devsk on 2010-02-05 04:13:16 UTC

--- linuxrc.orig	2010-02-04 20:06:21.160939914 -0800
+++ linuxrc	2010-02-04 20:06:26.839941380 -0800
@@ -243,8 +243,11 @@
 	startLUKS
 	if [ "${NORESUME}" != '1' ] && [ -n "${REAL_RESUME}" ]
 	then
+		good_msg "Attempting resuming from disk using 'resume'..."
+		suspend_resume
+		good_msg "Attempting resuming from disk using 'in-kernel'..."
 		swsusp_resume
-#		suspend_resume
+		good_msg "Attempting resuming from disk using 'tuxonice'..."
 		tuxonice_resume
 	fi
 fi
--- initrd.scripts.orig	2010-02-04 20:08:12.412942847 -0800
+++ initrd.scripts	2010-02-04 20:10:26.355972600 -0800
@@ -902,6 +902,29 @@
 	return 0
 }
 
+suspend_resume() {
+	which resume > /dev/null 2>&1 || return
+	good_msg "Going for resume using 'resume'..."
+	local args
+	local features="$(resume --version | grep FEATURES)"
+	devres=""
+	if [ -n "${REAL_RESUME}" ]
+	then
+		if [ ! -b "${REAL_RESUME}" ]
+		then
+			devres="`blkid -t "${REAL_RESUME}" | cut -d ":" -f 1 2>/dev/null`"
+		else
+			devres="${REAL_RESUME}"
+		fi
+	fi
+	[ -n "${REAL_RESUME}" ] && args="${args} --resume_device=\"${devres}\""
+	if ! grep suspend_noui /proc/cmdline > /dev/null 2>&1; then
+		echo "${features}" | grep "fbsplash" > /dev/null && grep "splash=" /proc/cmdline > /dev/null && args="${args} --parameter=\"splash=y\""
+	fi
+	[ -c /dev/snapshot ] || mknod /dev/snapshot c 10 231
+	eval resume ${args}
+}
+
 tuxonice_resume() {
 	[ -d /proc/suspend2 -o -d /sys/power/suspend2 -o -d /sys/power/tuxonice ] || return