diff options
Diffstat (limited to 'meta/recipes-core/initscripts/initscripts-1.0/read-only-rootfs-hook.sh')
-rw-r--r-- | meta/recipes-core/initscripts/initscripts-1.0/read-only-rootfs-hook.sh | 12 |
1 files changed, 10 insertions, 2 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 1a0328d63e..a29773647f 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 @@ -1,4 +1,7 @@ #!/bin/sh +# +# SPDX-License-Identifier: GPL-2.0-only +# . /etc/default/rcS @@ -31,8 +34,13 @@ 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 SED_VARLIBMOUNTARGS -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 SED_VARLIBMOUNTARGS --bind /var/volatile/lib /var/lib + fi fi fi |