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[honister,10/33] wic: support rootdev identified by partition label

Message ID c3d91b1a2b2ad87c2715a7793f1f408e3b3ba8ef.1639012800.git.anuj.mittal@intel.com
State Accepted, archived
Commit c3d91b1a2b2ad87c2715a7793f1f408e3b3ba8ef
Headers show
Series [honister,01/33] wic: use shutil.which | expand

Commit Message

Mittal, Anuj Dec. 9, 2021, 1:29 a.m. UTC 
From: "Schmidt, Adriaan" <adriaan.schmidt@siemens.com>

We already support specifying the rootfs by PARTUUID. This adds general
support for letting the kernel find the rootfs by PARTLABEL.

Signed-off-by: Adriaan Schmidt <adriaan.schmidt@siemens.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 2fb247c5ecf057bb96649a3c0234794b4991c050)
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
---
 scripts/lib/wic/plugins/imager/direct.py | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/scripts/lib/wic/plugins/imager/direct.py b/scripts/lib/wic/plugins/imager/direct.py
index 495518fac8..e57fba9c12 100644
--- a/scripts/lib/wic/plugins/imager/direct.py
+++ b/scripts/lib/wic/plugins/imager/direct.py
@@ -259,6 +259,8 @@  class DirectPlugin(ImagerPlugin):
             if part.mountpoint == "/":
                 if part.uuid:
                     return "PARTUUID=%s" % part.uuid
+                elif part.label:
+                    return "PARTLABEL=%s" % part.label
                 else:
                     suffix = 'p' if part.disk.startswith('mmcblk') else ''
                     return "/dev/%s%s%-d" % (part.disk, suffix, part.realnum)