[oe-commits] [openembedded-core] 04/17: initramfs-framework: support PARTLABEL option

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rpurdie pushed a commit to branch master
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commit ebc974be12c3e83e961c99c24fde267d6c8e8bfc
Author: Diego Rondini <diego.rondini at kynetics.com>
AuthorDate: Thu Sep 19 09:45:09 2019 +0200

    initramfs-framework: support PARTLABEL option
    
    Since commit (kernel >= 4.20):
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f027c34d844013d9d6c902af8fa01a82d6e5073d
    specifying rootfs by PARTLABEL is supported. This commit adds support to
    specify root by GPT partition label.
    
    Signed-off-by: Diego Rondini <diego.rondini at kynetics.com>
    Signed-off-by: Ross Burton <ross.burton at intel.com>
---
 meta/recipes-core/initrdscripts/initramfs-framework/rootfs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/meta/recipes-core/initrdscripts/initramfs-framework/rootfs b/meta/recipes-core/initrdscripts/initramfs-framework/rootfs
index f8c73b9..748c939 100644
--- a/meta/recipes-core/initrdscripts/initramfs-framework/rootfs
+++ b/meta/recipes-core/initrdscripts/initramfs-framework/rootfs
@@ -36,6 +36,11 @@ rootfs_run() {
 				bootparam_root="/dev/disk/by-partlabel/$root_partlabel"
 			fi
 
+			if [ "`echo ${bootparam_root} | cut -c1-10`" = "PARTLABEL=" ]; then
+				root_partlabel=`echo $bootparam_root | cut -c11-`
+				bootparam_root="/dev/disk/by-partlabel/$root_partlabel"
+			fi
+
 			if [ "`echo ${bootparam_root} | cut -c1-6`" = "LABEL=" ]; then
 				root_label=`echo $bootparam_root | cut -c7-`
 				bootparam_root="/dev/disk/by-label/$root_label"

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