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init-live.sh: make $ROOT_MOUNT/media writable when necessary 

If the live image is mounted as read-only, we cannot make necessary
directories under $ROOT_MOUNT/media, so trying to move the mount points
lead to errors.

So in case that no unification filesystem mechanism is available in kernel
and the rootfs is mounted as read-only, we mount tmpfs on $ROOT_MOUNT/media
so that it's possible to make necessary directories under it.

[YOCTO #4881]
[YOCTO #4103]

(From OE-Core rev: aeeb3418ff08dfd29edc0ce8a41cb6887d4e11fe)

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 2013-07-29 10:05:04 +08:00 committed by Richard Purdie
parent 771f794eed
commit 7ab93ec664
1 changed files with 2 additions and 0 deletions
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2
meta/recipes-core/initrdscripts/files/init-live.sh
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@ -184,6 +184,8 @@ mount_and_boot() {
"")
if ! mount -o rw,loop,noatime,nodiratime /media/$i/$ISOLINUX/$ROOT_IMAGE $ROOT_MOUNT ; then
fatal "Could not mount rootfs image"
else
mount -t tmpfs -o rw,noatime,mode=755 tmpfs $ROOT_MOUNT/media
fi
;;
esac