From d73883dfefdf82329ca870ada9e75f68cf565c93 Mon Sep 17 00:00:00 2001 From: Paul Eggleton Date: Mon, 10 Oct 2022 11:28:20 +1300 Subject: ref-manual: add previous overlayfs-etc variables These were supported in releases prior to 4.1. (From yocto-docs rev: 86f367fc9946904b5056fb86fb2cc339a0f96b0a) Signed-off-by: Paul Eggleton Signed-off-by: Richard Purdie --- documentation/ref-manual/variables.rst | 38 ++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) (limited to 'documentation') diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst index 0622bedf84..d608fa664a 100644 --- a/documentation/ref-manual/variables.rst +++ b/documentation/ref-manual/variables.rst @@ -5187,6 +5187,44 @@ system and gives an overview of their function and contents. default by setting the variable in a custom distribution configuration file. + :term:`OVERLAYFS_ETC_DEVICE` + When the :ref:`overlayfs-etc ` class is + inherited, specifies the device to be mounted for the read/write + layer of ``/etc``. There is no default, so you must set this if you + wish to enable :ref:`overlayfs-etc `, for + example, assuming ``/dev/mmcblk0p2`` was the desired device:: + + OVERLAYFS_ETC_DEVICE = "/dev/mmcblk0p2" + + :term:`OVERLAYFS_ETC_FSTYPE` + When the :ref:`overlayfs-etc ` class is + inherited, specifies the file system type for the read/write + layer of ``/etc``. There is no default, so you must set this if you + wish to enable :ref:`overlayfs-etc `, + for example, assuming the file system is ext4:: + + OVERLAYFS_ETC_FSTYPE = "ext4" + + :term:`OVERLAYFS_ETC_MOUNT_OPTIONS` + When the :ref:`overlayfs-etc ` class is + inherited, specifies the mount options for the read-write layer. + The default value is "defaults". + + :term:`OVERLAYFS_ETC_MOUNT_POINT` + When the :ref:`overlayfs-etc ` class is + inherited, specifies the parent mount path for the filesystem layers. + There is no default, so you must set this if you wish to enable + :ref:`overlayfs-etc `, for example if + the desired path is "/data":: + + OVERLAYFS_ETC_MOUNT_POINT = "/data" + + :term:`OVERLAYFS_ETC_USE_ORIG_INIT_NAME` + When the :ref:`overlayfs-etc ` class is + inherited, controls how the generated init will be named. For more + information, see the :ref:`overlayfs-etc ` + class documentation. The default value is "1". + :term:`OVERRIDES` A colon-separated list of overrides that currently apply. Overrides are a BitBake mechanism that allows variables to be selectively -- cgit v1.2.3-54-g00ecf