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wic: support rootdev identified by partition label

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

(From OE-Core rev: e10d5f31566285d66bbab29f5e2d9d8a79ee8e85)

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>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Schmidt, Adriaan
2021-11-23 08:33:29 +00:00
committed by Richard Purdie
parent c90ca07d37
commit 93bb752cbf
1 changed files with 2 additions and 0 deletions
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2
scripts/lib/wic/plugins/imager/direct.py
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@@ -258,6 +258,8 @@ 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)