On Tue, Sep 20, 2016 at 11:03 AM, Alexandre Poux <pums...@gmail.com> wrote:

> If I wanted to try to edit my partitions with an hex editor, where would
> I find infos on how to do that ?
> I really don't want to go this way, but if this is relatively simple, it
> may be worth to try.

Simple is relative. First you'd need
https://btrfs.wiki.kernel.org/index.php/On-disk_Format to get some
understanding of where things are to edit, and then btrfs-map-logical
to convert btrfs logical addresses to physical device and sector to
know what to edit.

I'd call it distinctly non-trivial and very tedious.

Chris Murphy
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