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initramfs-framework: overlayroot: fix kernel commandline clash

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The initramfs-framwork takes kernel commandline options and converts
them for internal use to variables following the 'bootparam_name'
pattern. The overlayroot module uses 'bootparam_rootfstype' and
'bootparam_rootfsflags' which both collide with linux kernel
parameters 'rootfstype' and 'rootfsflags'.  This collision is solved
by putting the variables in the namespace of the initramfs-framework
module.

(From OE-Core rev: ef20ef719c699b94fc52b81c520faa0b3714efeb)

Signed-off-by: Johannes Schneider <johannes.schneider@leica-geosystems.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Johannes Schneider
2024-02-13 13:24:24 +01:00
committed by Richard Purdie
parent de27ecd228
commit 8a531d1990
1 changed files with 3 additions and 1 deletions
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4
meta/recipes-core/initrdscripts/initramfs-framework/overlayroot
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@@ -18,6 +18,8 @@
# root filesystem, and requires 'rootrw=<foo>' to be passed as a
# kernel parameter, specifying the device/partition intended to
# use as RW.
# Mount options of the RW device can be tweaked with 'overlayrootfstype='
# (defaults to 'ext4') and 'overlayrootfsflags=' ('defaults').
#
# This module needs to be executed after the initramfs-module-rootfs
# since it relies on it to mount the filesystem at initramfs startup
@@ -80,7 +82,7 @@ fi
mkdir -p ${RWMOUNT}
# Mount RW device
if mount -n -t ${bootparam_rootfstype:-ext4} -o ${bootparam_rootflags:-defaults} ${bootparam_rootrw} ${RWMOUNT}
if mount -n -t ${bootparam_overlayrootfstype:-ext4} -o ${bootparam_overlayrootfsflags:-defaults} ${bootparam_rootrw} ${RWMOUNT}
then
# Set up overlay directories
mkdir -p ${UPPER_DIR}