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-rw-r--r--meta/recipes-core/initrdscripts/files/init-live.sh23
-rw-r--r--meta/recipes-core/initrdscripts/initramfs-live-boot_1.0.bb14
2 files changed, 30 insertions, 7 deletions
diff --git a/meta/recipes-core/initrdscripts/files/init-live.sh b/meta/recipes-core/initrdscripts/files/init-live.sh
index eb5ab5b7a..737dae4cb 100644
--- a/meta/recipes-core/initrdscripts/files/init-live.sh
+++ b/meta/recipes-core/initrdscripts/files/init-live.sh
@@ -7,6 +7,7 @@ ROOT_IMAGE="rootfs.img"
MOUNT="/bin/mount"
UMOUNT="/bin/umount"
ISOLINUX=""
+UNIONFS="no"
early_setup() {
mkdir /proc
@@ -89,17 +90,31 @@ case $label in
mkdir $ROOT_MOUNT
mknod /dev/loop0 b 7 0 2>/dev/null
- if ! $MOUNT -o rw,loop,noatime,nodiratime /media/$i/$ISOLINUX/$ROOT_IMAGE $ROOT_MOUNT ; then
- fatal "Couldnt mount rootfs image"
+
+ if [ "$UNIONFS" = "yes" ]; then
+ mkdir /rootfs-tmp
+
+ if ! $MOUNT -o rw,loop,noatime,nodiratime /media/$i/$ISOLINUX/$ROOT_IMAGE /rootfs-tmp ; then
+ fatal "Could not mount rootfs image"
+ else
+ mkdir /cow
+ mount -t tmpfs -o rw,noatime,mode=755 tmpfs /cow
+ mount -t unionfs -o dirs=/cow:/rootfs-tmp=ro unionfs $ROOT_MOUNT
+ boot_live_root
+ fi
else
- boot_live_root
+ if ! $MOUNT -o rw,loop,noatime,nodiratime /media/$i/$ISOLINUX/$ROOT_IMAGE $ROOT_MOUNT ; then
+ fatal "Could not mount rootfs image"
+ else
+ boot_live_root
+ fi
fi
;;
install)
if [ -f /media/$i/$ISOLINUX/$ROOT_IMAGE ] ; then
./install.sh $i/$ISOLINUX $ROOT_IMAGE $video_mode $vga_mode
else
- fatal "Couldnt find install script"
+ fatal "Could not find install script"
fi
# If we're getting here, we failed...
diff --git a/meta/recipes-core/initrdscripts/initramfs-live-boot_1.0.bb b/meta/recipes-core/initrdscripts/initramfs-live-boot_1.0.bb
index e85a0e118..8f7511ead 100644
--- a/meta/recipes-core/initrdscripts/initramfs-live-boot_1.0.bb
+++ b/meta/recipes-core/initrdscripts/initramfs-live-boot_1.0.bb
@@ -2,14 +2,22 @@ DESCRIPTION = "A live image init script"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
RDEPENDS = "udev"
+DEPENDS = "virtual/kernel"
SRC_URI = "file://init-live.sh"
-PR = "r7"
+PR = "r9"
+do_compile() {
+ if grep -q "CONFIG_UNION_FS=y" ${STAGING_KERNEL_DIR}/.config; then
+ sed -i 's/UNIONFS="no"/UNIONFS="yes"/g' ${WORKDIR}/init-live.sh
+ fi
+}
+
do_install() {
install -m 0755 ${WORKDIR}/init-live.sh ${D}/init
}
-inherit allarch
-
FILES_${PN} += " /init "
+
+# Due to kernel depdendency
+PACKAGE_ARCH = "${MACHINE_ARCH}"