diff options
| -rw-r--r-- | meta/recipes-core/initscripts/initscripts-1.0/read-only-rootfs-hook.sh | 19 | ||||
| -rw-r--r-- | meta/recipes-core/initscripts/initscripts_1.0.bb | 3 |
2 files changed, 22 insertions, 0 deletions
diff --git a/meta/recipes-core/initscripts/initscripts-1.0/read-only-rootfs-hook.sh b/meta/recipes-core/initscripts/initscripts-1.0/read-only-rootfs-hook.sh new file mode 100644 index 0000000000..3a295eea0b --- /dev/null +++ b/meta/recipes-core/initscripts/initscripts-1.0/read-only-rootfs-hook.sh @@ -0,0 +1,19 @@ +#!/bin/sh + +. /etc/default/rcS + +[ "$ROOTFS_READ_ONLY" = "no" ] && exit 0 + +# Make sure unionfs is in /proc/filesystems +if ! grep -q unionfs /proc/filesystems; then + echo "ERROR: unionfs not supported by kernel!" + exit 1 +fi + +mkdir -p /var/volatile/lib +mount -t unionfs -o dirs=/var/volatile/lib:/var/lib=ro none /var/lib + +if [ $? != 0 ]; then + echo "ERROR: Union mount failed!" + exit 1 +fi diff --git a/meta/recipes-core/initscripts/initscripts_1.0.bb b/meta/recipes-core/initscripts/initscripts_1.0.bb index 69b9bfbe32..68f80346ef 100644 --- a/meta/recipes-core/initscripts/initscripts_1.0.bb +++ b/meta/recipes-core/initscripts/initscripts_1.0.bb @@ -28,6 +28,7 @@ SRC_URI = "file://functions \ file://sysfs.sh \ file://device_table.txt \ file://populate-volatile.sh \ + file://read-only-rootfs-hook.sh \ file://volatiles \ file://save-rtc.sh \ file://GPLv2.patch" @@ -85,6 +86,7 @@ do_install () { install -m 0755 ${WORKDIR}/devpts ${D}${sysconfdir}/default install -m 0755 ${WORKDIR}/sysfs.sh ${D}${sysconfdir}/init.d install -m 0755 ${WORKDIR}/populate-volatile.sh ${D}${sysconfdir}/init.d + install -m 0755 ${WORKDIR}/read-only-rootfs-hook.sh ${D}${sysconfdir}/init.d install -m 0755 ${WORKDIR}/save-rtc.sh ${D}${sysconfdir}/init.d install -m 0644 ${WORKDIR}/volatiles ${D}${sysconfdir}/default/volatiles/00_core @@ -116,6 +118,7 @@ do_install () { update-rc.d -r ${D} bootmisc.sh start 55 S . update-rc.d -r ${D} sysfs.sh start 02 S . update-rc.d -r ${D} populate-volatile.sh start 37 S . + update-rc.d -r ${D} read-only-rootfs-hook.sh start 41 S . update-rc.d -r ${D} devpts.sh start 38 S . if [ "${TARGET_ARCH}" = "arm" ]; then update-rc.d -r ${D} alignment.sh start 06 S . |