[OE-core] [PATCH V4 3/4] core-image.bbclass: support read-only-rootfs image feature
Qi.Chen at windriver.com
Qi.Chen at windriver.com
Fri Dec 28 02:13:41 UTC 2012
From: Chen Qi <Qi.Chen at windriver.com>
Two hook functions are appended to ROOTFS_POSTPROCESS_COMMAND
properly to support the 'read-only-rootfs' image feature.
[YOCTO #3406]
Signed-off-by: Chen Qi <Qi.Chen at windriver.com>
---
meta/classes/core-image.bbclass | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/meta/classes/core-image.bbclass b/meta/classes/core-image.bbclass
index 2e67018..dc8fdc3 100644
--- a/meta/classes/core-image.bbclass
+++ b/meta/classes/core-image.bbclass
@@ -28,6 +28,7 @@ LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3
# - dev-pkgs - development packages (headers, etc.) for all installed packages in the rootfs
# - dbg-pkgs - debug symbol packages for all installed packages in the rootfs
# - doc-pkgs - documentation packages for all installed packages in the rootfs
+# - read-only-rootfs - tweaks an image to support read-only rootfs
#
PACKAGE_GROUP_x11 = "packagegroup-core-x11"
PACKAGE_GROUP_x11-base = "packagegroup-core-x11-base"
@@ -73,9 +74,11 @@ inherit image
# Create /etc/timestamp during image construction to give a reasonably sane default time setting
ROOTFS_POSTPROCESS_COMMAND += "rootfs_update_timestamp ; "
-
+# Choose the correct configuartion files for volatile storage handling
+ROOTFS_POSTPROCESS_COMMAND += "choose_volatile_conf_file ; "
# Zap the root password if debug-tweaks feature is not enabled
ROOTFS_POSTPROCESS_COMMAND += '${@base_contains("IMAGE_FEATURES", "debug-tweaks", "", "zap_root_password ; ",d)}'
# Allow openssh accept empty password login if both debug-tweaks and ssh-server-openssh are enabled
ROOTFS_POSTPROCESS_COMMAND += '${@base_contains("IMAGE_FEATURES", "debug-tweaks ssh-server-openssh", "openssh_allow_empty_password; ", "",d)}'
-
+# Tweak the mount options for rootfs in /etc/fstab if read-only-rootfs is enabled
+ROOTFS_POSTPROCESS_COMMAND += '${@base_contains("IMAGE_FEATURES", "read-only-rootfs", "read_only_rootfs_hook; ", "",d)}'
--
1.7.9.5
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