Readonly rootfs support

From: Chen Qi <[email protected]>

Use union mount to support read-only rootfs.

The following changes since commit b2869b6810728a5f003ddad335fd7f6512181a57:

ref-manual: Added a general reference and link to kernel-dev (2013-01-27 13:56:06 +0000)

are available in the git repository at:

git://git.pokylinux.org/poky-contrib ChenQi/readonly-rootfs-unionfs
http://git.pokylinux.org/cgit.cgi/poky-contrib/log/?h=ChenQi/readonly-rootfs-unionfs

Chen Qi (6):
sysvinit: add ROOTFS_READ_ONLY variable to rcS-default image.bbclass: add a hook funtion to support readonly rootfs core-image.bbclass: support read-only rootfs populate-volatile.sh: improve this script
initscripts: let populate-volatile.sh create the /tmp link
initscripts: add read-only-rootfs-hook.sh script

 meta/classes/core-image.bbclass                    |    4 +
 meta/classes/image.bbclass                         |   18 ++
 .../initscripts/initscripts-1.0/bootmisc.sh        |    9 +-
 .../initscripts-1.0/populate-volatile.sh           |  287 ++++++++++----------
 .../initscripts-1.0/read-only-rootfs-hook.sh       |   19 ++
 .../initscripts/initscripts-1.0/volatiles          |    1 +
 meta/recipes-core/initscripts/initscripts_1.0.bb   |    3 +
 meta/recipes-core/sysvinit/sysvinit/rcS-default    |    4 +
 meta/recipes-core/sysvinit/sysvinit_2.88dsf.bb     |    2 +-
 9 files changed, 194 insertions(+), 153 deletions(-)
 create mode 100644 meta/recipes-core/initscripts/initscripts-1.0/read-only-rootfs-hook.sh

1.7.9.5