Re: search --label not working on mmcblk

[Matthias Schoepfer]

Hi Andrei

On 10/26/21 5:02 PM, Andrei Borzenkov wrote:
> On 26.10.2021 12:38, Matthias Schoepfer wrote:
> > Hi!
> >
> > I have quite a funny behavior that I am not able to grasp. I am using
> > grub on an "embedded" device to switch between two root file system
> > partitions (A / B update schema). To set / read the partition, I use the
> > grubenv. This part works as a charm.
> >
> > Now I switched to eMMC as storage. I gave it a gpt partition table and
> > besides a EFI parition, I have the root partition labeled rootfs1 and
> > rootfs2. Since the numbers of the devices may be different when for
> > example a USB drive is attached, I am using the PARTLABELs for getting
> > the root device.
> >
> > While
> >
> > search --label rootfs1
> It searches for filesystem label, not for partition label.

Ah, that was my problem. I noticed there was a patch some time ago

https://www.mail-archive.com/grub-devel@gnu.org/msg31165.html

I applied it and now it seems to work as expected.

I wonder, why this patch never made it upsteam...

Regards,

   Matthias