Re: [DistroKit] [PATCH 13/14] image-rauc: use ext4 rootfs instead of tar.gz

[Robert Schwebel <r.schwebel@pengutronix.de>]

Applied to next.

On Fri, Jun 23, 2023 at 02:47:54PM +0200, Roland Hieber wrote:
> On one hand, the squashfs inside the RAUC bundle already uses
> compression, so with a tar.gz inside a squashfs the content is
> compressed twice. Also using ext4 makes it possible to use adaptive
> updates in the future.
> 
> (Yes, the image generated by the image-root-ext recipe is really called
> "root.ext2", even if it's an ext4 image.)
> 
> Link: https://rauc.readthedocs.io/en/latest/advanced.html#adaptive-updates
> Signed-off-by: Roland Hieber <rhi@pengutronix.de>
> ---
>  config/images/rauc.config    | 4 ++--
>  platforms/image-rauc.deps.in | 6 ++++++
>  2 files changed, 8 insertions(+), 2 deletions(-)
>  create mode 100644 platforms/image-rauc.deps.in
> 
> diff --git a/config/images/rauc.config b/config/images/rauc.config
> index e4169cc8cd95..83e074274961 100644
> --- a/config/images/rauc.config
> +++ b/config/images/rauc.config
> @@ -1,6 +1,6 @@
>  image @IMAGE@ {
>  	rauc {
> -		file root.tar.gz { image = "root.tgz" }
> +		file root.ext4 { image = "root.ext2" }
>  		manifest = "
>  			[update]
>  			compatible=@RAUC_BUNDLE_COMPATIBLE@
> @@ -12,7 +12,7 @@ image @IMAGE@ {
>  			format=@RAUC_BUNDLE_FORMAT@
>  
>  			[image.rootfs]
> -			filename=root.tar.gz
> +			filename=root.ext4
>  			"
>  		cert = "@RAUC_CERT@"
>  		key = "@RAUC_KEY@"
> diff --git a/platforms/image-rauc.deps.in b/platforms/image-rauc.deps.in
> new file mode 100644
> index 000000000000..df328522a747
> --- /dev/null
> +++ b/platforms/image-rauc.deps.in
> @@ -0,0 +1,6 @@
> +## SECTION=image
> +
> +menuconfig IMAGE_RAUC
> +	tristate
> +	select IMAGE_ROOT_EXT
> +	select IMAGE_ROOT_EXT_EXT4
> -- 
> 2.39.2
> 
> 
> 

-- 
Pengutronix e.K.                           | Dipl.-Ing. Robert Schwebel  |
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