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initscripts: add read-only-rootfs-hook.sh script

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Add read-only-rootfs-hook.sh script to support a read-only rootfs.
This script makes a union mount of /var/lib and /var/volatile/lib,
making /var/lib directory writable.

[YOCTO #3406]

(From OE-Core rev: a9591158962eee1f8ae04168d6256032ecd7bc6b)

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Chen Qi
2013-01-29 12:24:43 +08:00
committed by Richard Purdie
parent db5847dd41
commit 7c106a3bb8
2 changed files with 22 additions and 0 deletions
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3
meta/recipes-core/initscripts/initscripts_1.0.bb
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@@ -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 .