Added patch to support resuming from encrypted swap. The patch was submitted to bug #152441.

git-svn-id: svn+ssh://svn.gentoo.org/var/svnroot/genkernel/trunk@457 67a159dc-881f-0410-a524-ba9dfbe2cb84

ChangeLog

@@ -2,6 +2,11 @@
 # Copyright 2006-2006 Gentoo Foundation; Distributed under the GPL v2
 # $Header: $
 
+  13 Nov 2006; Chris Gianelloni <wolf31o2@gentoo.org>
+  generic/initrd.scripts, generic/linuxrc:
+  Added patch to support resuming from encrypted swap. The patch was submitted
+  to bug #152441.
+
   25 Oct 2006; Chris Gianelloni <wolf31o2@gentoo.org> genkernel:
   This is the 3.4.4 release.
 

generic/initrd.scripts

@@ -549,21 +549,60 @@ startVolumes() {
 	fi
 }
 
-startLUKS() {
-	if [ -n "${LUKS_ROOT}" ]
-	then
+# Open a LUKS device
+# $1 LUKS device
+# $2 LUKS name
+openLUKS() {
+	LUKS_DEVICE="$1"
+	LUKS_NAME="$2"
 	if [ -e /sbin/cryptsetup ]
 	then
-			if cryptsetup isLuks ${LUKS_ROOT}
+		while [ 1 ]
+		do
+			if [ "${LUKS_DEVICE}" = '' ]
+			then
+				# LUKS device could not be opened. Prompt user for device.
+				bad_msg "The LUKS ${LUKS_NAME} block device is not detected."
+				echo "   Please specify a ${LUKS_NAME} LUKS device to open, "q" to skip, or "shell" for a shell..."
+				echo -n "LUKS ${LUKS_NAME}() :: "
+				read LUKS_DEVICE
+				continue
+			elif [ "${LUKS_DEVICE}" = 'shell' ]
 			then
-				good_msg "Opening LUKS device ${LUKS_ROOT}"
+				run_shell
 				
-				cryptsetup luksOpen ${LUKS_ROOT} root
+				LUKS_DEVICE=''
+				continue
+			elif [ "${LUKS_DEVICE}" = 'q' ]
+			then
+				break
+			else
+				if cryptsetup isLuks ${LUKS_DEVICE}
+				then
+					good_msg "Opening LUKS device ${LUKS_DEVICE}"
+					
+					cryptsetup luksOpen ${LUKS_DEVICE} ${LUKS_NAME}
 					if [ ! "$?" -eq '0' ]
 					then
-					bad_msg "Failed open LUKS device ${LUKS_ROOT}"
+						bad_msg "Failed open LUKS device ${LUKS_DEVICE}"
+					else
+						break
+					fi
+				else
+					bad_msg "The LUKS device ${LUKS_DEVICE} does not contain a LUKS header"
 				fi
+			fi
+			LUKS_DEVICE=''
+		done
+	else
+		bad_msg "The initrd does not support LUKS"
+	fi
+}
 
+startLUKS() {
+	if [ -n "${LUKS_ROOT}" ]
+	then
+		openLUKS "${LUKS_ROOT}" "root" 
 		if [ -n "${REAL_ROOT}" ]
 		then
 			# Rescan volumes
@@ -571,12 +610,11 @@ startLUKS() {
 		else
 			REAL_ROOT="/dev/mapper/root"
 		fi
-			else
-				bad_msg "The LUKS device ${LUKS_ROOT} does not contain a LUKS hearder"
-			fi
-		else
-			bad_msg "The initrd does not support LUKS"
 	fi
+	if [ -n "${LUKS_SWAP}" ]
+	then
+		openLUKS "${LUKS_SWAP}" "swap" 
+		break
 	fi
 }
 

generic/linuxrc

@@ -175,6 +175,9 @@ do
 		crypt_root\=*)
 			LUKS_ROOT=`parse_opt "${x}"`
 		;;
+		crypt_swap\=*)
+			LUKS_SWAP=`parse_opt "${x}"`
+		;;
 	esac
 done
 
@@ -226,7 +229,7 @@ setup_md_device
 # Scan volumes
 startVolumes
 
-# Iinitialize LUKS root device
+# Initialize LUKS root device
 startLUKS
 
 # Set up unionfs