reset upstream subtrees to yocto 2.6

Reset the following subtrees on thud HEAD:

  poky: 87e3a9739d
  meta-openembedded: 6094ae18c8
  meta-security: 31dc4e7532
  meta-raspberrypi: a48743dc36
  meta-xilinx: c42016e2e6

Also re-apply backports that didn't make it into thud:
  poky:
    17726d0 systemd-systemctl-native: handle Install wildcards

  meta-openembedded:
    4321a5d libtinyxml2: update to 7.0.1
    042f0a3 libcereal: Add native and nativesdk classes
    e23284f libcereal: Allow empty package
    030e8d4 rsyslog: curl-less build with fmhttp PACKAGECONFIG
    179a1b9 gtest: update to 1.8.1

Squashed OpenBMC subtree compatibility updates:
  meta-aspeed:
    Brad Bishop (1):
          aspeed: add yocto 2.6 compatibility

  meta-ibm:
    Brad Bishop (1):
          ibm: prepare for yocto 2.6

  meta-ingrasys:
    Brad Bishop (1):
          ingrasys: set layer compatibility to yocto 2.6

  meta-openpower:
    Brad Bishop (1):
          openpower: set layer compatibility to yocto 2.6

  meta-phosphor:
    Brad Bishop (3):
          phosphor: set layer compatibility to thud
          phosphor: libgpg-error: drop patches
          phosphor: react to fitimage artifact rename

    Ed Tanous (4):
          Dropbear: upgrade options for latest upgrade
          yocto2.6: update openssl options
          busybox: remove upstream watchdog patch
          systemd: Rebase CONFIG_CGROUP_BPF patch

Change-Id: I7b1fe71cca880d0372a82d94b5fd785323e3a9e7
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/poky/meta/recipes-core/initscripts/initscripts-1.0/read-only-rootfs-hook.sh b/poky/meta/recipes-core/initscripts/initscripts-1.0/read-only-rootfs-hook.sh
index 1a0328d63..bd445ddb0 100644
--- a/poky/meta/recipes-core/initscripts/initscripts-1.0/read-only-rootfs-hook.sh
+++ b/poky/meta/recipes-core/initscripts/initscripts-1.0/read-only-rootfs-hook.sh
@@ -31,8 +31,13 @@ if [ "$1" = "start" ] ; then
 	if [ `is_on_read_only_partition /var/lib` = "yes" ]; then
 		grep -q "tmpfs /var/volatile" /proc/mounts || mount /var/volatile
 		mkdir -p /var/volatile/lib
-		cp -a /var/lib/* /var/volatile/lib
-		mount --bind /var/volatile/lib /var/lib
+		mkdir -p /var/volatile/.lib-work
+		# Try to mount using overlay, which is much faster than copying
+		# files. If that fails, fallback to the slower copy
+		if ! mount -t overlay overlay -olowerdir=/var/lib,upperdir=/var/volatile/lib,workdir=/var/volatile/.lib-work /var/lib > /dev/null 2>&1; then
+			cp -a /var/lib/* /var/volatile/lib
+			mount --bind /var/volatile/lib /var/lib
+		fi
 	fi
 fi