initrdscripts: unionfs cleanup

The unionfs has been disabled for more than a year and it's not going
to be used any more.

This patch cleans up the unionfs related code.

[YOCTO #4761]
[YOCTO #1487]

(From OE-Core rev: ba5e437bc7335468a70ea293496f78e1a9d66287)

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 3 insertions, 26 deletions

diff --git a/meta/recipes-core/initrdscripts/files/init-live.sh b/meta/recipes-core/initrdscripts/files/init-live.sh
index 82042bf2ee..ca4135141f 100644
--- a/meta/recipes-core/initrdscripts/files/init-live.sh
+++ b/meta/recipes-core/initrdscripts/files/init-live.sh
@@ -7,7 +7,6 @@ ROOT_IMAGE="rootfs.img"
 MOUNT="/bin/mount"
 UMOUNT="/bin/umount"
 ISOLINUX=""
-UNIONFS="no"
 
 # Copied from initramfs-framework. The core of this script probably should be
 # turned into initramfs-framework modules to reduce duplication.
@@ -142,25 +141,10 @@ case $label in
     boot)
         mkdir $ROOT_MOUNT
         mknod /dev/loop0 b 7 0 2>/dev/null
-
-        
-        if [ "$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
+        if ! $MOUNT -o rw,loop,noatime,nodiratime /media/$i/$ISOLINUX/$ROOT_IMAGE $ROOT_MOUNT ; then
+            fatal "Could not mount rootfs image"
         else
-            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
+            boot_live_root
         fi
         ;;
     install|install-efi)
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 0cbfe0288b..8626bb5b33 100644
--- a/meta/recipes-core/initrdscripts/initramfs-live-boot_1.0.bb
+++ b/meta/recipes-core/initrdscripts/initramfs-live-boot_1.0.bb
@@ -7,13 +7,6 @@ SRC_URI = "file://init-live.sh"
 
 PR = "r11"
 
-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
 }