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Re: booting btrfs

From: Vladimir 'φ-coder/phcoder' Serbinenko
Subject: Re: booting btrfs
Date: Mon, 23 Dec 2013 05:52:36 +0100
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On 23.12.2013 05:45, Chris Murphy wrote:
> As for grub's part in the solution, it seems like it would need to understand 
> absolute paths to subvol 5, as well as relative paths to the default subvol
> (set with the 'btrfs subvol set-default' command).
It doesn't seem to me at all that "relative" paths is a necessity and you don't 
provide a usecase

> I think syntax wise it's simplest to use / for absolute and no-/ for relative 
> to default. What do you think?
> I still don't think it needs syntax of subvolids. 
>> > except it is
>> > not that straightforward in current btrfs because path names are
>> > resolved relative to current root :)
> Navigation of a currently mounted subvolume, yes, I can only navigate below 
> that point. It's no different than being in chroot, or mounting a partition 
> and being unable to navigate into other partitions.
This analogies all share a common crucial point: GRUB neither supports nor 
needs any of them.

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