[OE-core] [PATCH v3] wic: squashfs does support partition uuid.

[Tom Rini]

On Thu, Sep 06, 2018 at 08:05:52PM +0200, Emmanuel Roullit wrote:

> wic allows the user to create disk image and reference each created
> partitions via its partition UUID.
> 
> squashfs does not support filesystem UUID but it does offer support for
> partition UUID.
> 
> $ lsblk -o NAME,FSTYPE,UUID,PARTUUID
> NAME   FSTYPE   UUID                                 PARTUUID
> sda
> |-sda1 vfat     6078-ACD0                            95aa4ffb-741d-4d99-adf6-0358bc890046
> |-sda2 squashfs                                      7d46da2d-29cc-4d5a-9e39-d0381c4abb0c
> |-sda3 squashfs                                      d4a3e24e-410a-4f2c-8ad5-8f8321de177b
> |-sda4 ext4     d72ec529-78e4-4cd3-b39b-781b6b1cb47c f3edc990-f4f6-4536-9587-44dae4ceb99f
> `-sda5 ext4     a0b265aa-e935-40b8-9c6b-e9e58ad3890f 6e72ebaa-29ed-41cd-844c-3f76976cf41d
> 
> Modifying this constrain allows a user to create squashfs-based rootfs and boot
> from them with such kernel argument 'root=PARTUUID=7d46da2d-29cc-4d5a-9e39-d0381c4abb0c'
> 
> Fixes: 2fbdcf4e59c8 ("wic: kparser.py: Check for SquashFS and use-uuid")
> Signed-off-by: Emmanuel Roullit <emmanuel.roullit at gmail.com>

Reviewed-by: Tom Rini <trini at konsulko.com>

-- 
Tom
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