From: Tom Rini <trini@konsulko.com>
To: Emmanuel Roullit <emmanuel.roullit@gmail.com>
Cc: openembedded-core@lists.openembedded.org
Subject: Re: [PATCH v3] wic: squashfs does support partition uuid.
Date: Thu, 6 Sep 2018 15:24:18 -0400 [thread overview]
Message-ID: <20180906192418.GD26633@bill-the-cat> (raw)
In-Reply-To: <1536257152-491-1-git-send-email-emmanuel.roullit@gmail.com>
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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@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
--
Tom
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prev parent reply other threads:[~2018-09-06 19:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-06 18:05 [PATCH v3] wic: squashfs does support partition uuid Emmanuel Roullit
2018-09-06 19:24 ` Tom Rini [this message]
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