image.bbclass: tweak read_only_rootfs_hook to also support systemd based systems

Modify the read_only_rootfs_hook function to make it also have effect
on systemd based systems.

(From OE-Core rev: 92f956d813303f8ee86fd40a4ee3d604a9b4e76e)

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>

diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index da13bb8..82605f2 100644 (file)
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -199,9 +199,10 @@ do_rootfs[umask] = "022"
 # A hook function to support read-only-rootfs IMAGE_FEATURES
 # Currently, it only supports sysvinit system.
 read_only_rootfs_hook () {
+       # Tweak the mount option and fs_passno for rootfs in fstab
+       sed -i -e '/^[#[:space:]]*\/dev\/root/{s/defaults/ro/;s/\([[:space:]]*[[:digit:]]\)\([[:space:]]*\)[[:digit:]]$/\1\20/}' ${IMAGE_ROOTFS}/etc/fstab
+
        if ${@bb.utils.contains("DISTRO_FEATURES", "sysvinit", "true", "false", d)}; then
-               # Tweak the mount option and fs_passno for rootfs in fstab
-               sed -i -e '/^[#[:space:]]*\/dev\/root/{s/defaults/ro/;s/\([[:space:]]*[[:digit:]]\)\([[:space:]]*\)[[:digit:]]$/\1\20/}' ${IMAGE_ROOTFS}/etc/fstab
                # Change the value of ROOTFS_READ_ONLY in /etc/default/rcS to yes
                if [ -e ${IMAGE_ROOTFS}/etc/default/rcS ]; then
                        sed -i 's/ROOTFS_READ_ONLY=no/ROOTFS_READ_ONLY=yes/' ${IMAGE_ROOTFS}/etc/default/rcS