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initramfs-framework: support ro boot parameter

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Default is to mount the rootfs read/write. "ro" can be used to turn
that into read-only, which is useful on systems where userspace does
an fsck before remounting read-write.

Giving both "ro" and "rw" will still mount read-only regardless of the
order, because the ordering information is not preserved by the
initramfs-framework's boot param support.

(From OE-Core rev: a09f10f9360862c16fb68972ac041d474d6e3a64)

Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Patrick Ohly
2015-09-08 15:25:49 +02:00
committed by Richard Purdie
parent d7508fee30
commit 77524d791b
1 changed files with 6 additions and 0 deletions
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meta/recipes-core/initrdscripts/initramfs-framework/finish
+6
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@@ -23,6 +23,12 @@ finish_run() {
if [ -e "$bootparam_root" ]; then
flags=""
if [ -n "$bootparam_ro" ]; then
if [ -n "$bootparam_rootflags" ]; then
bootparam_rootflags="$bootparam_rootflags,"
fi
bootparam_rootflags="${bootparam_rootflags}ro"
fi
if [ -n "$bootparam_rootflags" ]; then
flags="$flags -o$bootparam_rootflags"
fi