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wic: Introduce --fsuuid and have --use-uuid make use of UUID too

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First, allow for wic to be given a filesystem UUID to be used when
creating a filesystem.  When not provided, wic will generate the UUID to
be used.  Next, when --use-uuid is passed, we update the fstab to mount
things via UUID (and if not found, then use PARTUUID) as UUID is more
portable.

(From OE-Core rev: 9256b8799495634ee8aee5d16ff71bd6e6e25ed4)

Signed-off-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Tom Rini
2017-12-13 22:20:25 -05:00
committed by Richard Purdie
parent 20748d8ddc
commit 9ebc830196
6 changed files with 47 additions and 19 deletions
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scripts/lib/wic/help.py
+9 -1
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@@ -863,7 +863,10 @@ DESCRIPTION
This is achieved by wic adding entries to the fstab during image
generation. In order for a valid fstab to be generated one of the
--ondrive, --ondisk or --use-uuid partition options must be used for
each partition that specifies a mountpoint.
each partition that specifies a mountpoint. Note that with --use-uuid
and non-root <mountpoint>, including swap, the mount program must
understand the PARTUUID syntax. This currently excludes the busybox
versions of these applications.
The following are supported 'part' options:
@@ -986,6 +989,11 @@ DESCRIPTION
in bootloader configuration before running wic. In this case .wks file can
be generated or modified to set preconfigured parition UUID using this option.
--fsuuid: This option is specific to wic. It specifies filesystem UUID.
It's useful if preconfigured filesystem UUID is added to kernel command line
in bootloader configuration before running wic. In this case .wks file can
be generated or modified to set preconfigured filesystem UUID using this option.
--system-id: This option is specific to wic. It specifies partition system id. It's useful
for the harware that requires non-default partition system ids. The parameter
in one byte long hex number either with 0x prefix or without it.