Re: btrfs trim erases bootloader area

[Filipe Manana]

On Thu, Jan 7, 2016 at 7:11 PM, Andrei Borzenkov <address@hidden> wrote:
> As discussed on opensuse-factory list, running fstrim on btrfs erases
> bootloader area, rendering system unbootable. See
>
> https://lists.opensuse.org/opensuse-factory/2016-01/msg00067.html
> https://lists.opensuse.org/opensuse-factory/2016-01/msg00090.html
>
> and follow-ups that demonstrate that beginning of device gets zeroed out.
>
> Not sure what we can do, but from GRUB side I can only see disabling
> embedding support on btrfs entirely.

Try this (sent to the btrfs mailing list yesterday):

http://git.kernel.org/cgit/linux/kernel/git/fdmanana/linux.git/commit/?h=integration-4.5&id=7b6cb6618b45bb383f9336ec89df5f1f31f9935b

thanks

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-- 
Filipe David Manana,

"Reasonable men adapt themselves to the world.
 Unreasonable men adapt the world to themselves.
 That's why all progress depends on unreasonable men."