Unionfs isn't available everywhere, and we can get similar results (if not quite as neatly) by using bind mounts + tmpfs and copying the data over.
Signed-off-by: Paul Eggleton <paul.eggle...@linux.intel.com> --- .../initscripts-1.0/read-only-rootfs-hook.sh | 15 ++++----------- 1 file changed, 4 insertions(+), 11 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 index 3a295ee..4f3e0d9 100644 --- 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 @@ -4,16 +4,9 @@ [ "$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 +if [ "$1" = "start" ] ; then + mkdir -p /var/volatile/lib + cp -a /var/lib/* /var/volatile/lib + mount --bind /var/volatile/lib /var/lib 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 -- 1.7.10.4 _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core
