Re: [PATCH 0/6] partitions: GPT: refresh partition tables when necessary

[Sascha Hauer <s.hauer@pengutronix.de>]

On Wed, Jan 07, 2026 at 11:39:16AM +0100, Ahmad Fatoum wrote:
> Hello Sascha,
> 
> On 12/3/25 4:19 PM, Sascha Hauer wrote:
> > This is a continuation of the patch previously sent separately:
> > 
> > https://lore.kernel.org/all/20251128111929.2463263-1-s.hauer@pengutronix.de/
> > 
> > Ahmad's comment to this was that we should write the inactive GPT first
> > to make sure there's always a valid GPT on the device. This series
> > implements just that. I stumbled upon a bug when we restore the primary
> > GPT from the alternate GPT, this is fixed in this series.
> 
> I thought with this series now applied, we could wipe the first 2
> sectors and it would fall back to the alternate GPT, but this is not the
> case because partition_table_read() invokes the partition parsers only
> when partition_parser_get_by_filetype() detects the magic in the first
> two sectors.
> 
> Did you consider adapting it?

I am aware of this, but haven't looked into it.

Sascha

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