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Re: btrfs and "skinny extents"

From: Andrey Borzenkov
Subject: Re: btrfs and "skinny extents"
Date: Fri, 20 Sep 2013 20:19:09 +0400

В Fri, 20 Sep 2013 13:13:32 +0200
Ingo Brunberg <address@hidden> пишет:

> A hopefully simple question for the grub experts: Will grub still boot
> from a btrfs filesystem when I convert it to use the new "skinny
> extents" introduced with kernel 3.10?
> I have no knowledge how grub does locate a kernel image, so I fear the
> conversion could leave my system unbootable.

As far as I can tell, grub btrfs driver does not support it and I have
not seen any recent work on it. At the best it should simply fail to
read files from such filesystem; in the worst case you get
unpredictable behavior.

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