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Subject: [bug#40236] [PATCH] doc: Suggest Btrfs with compression instead of
 ext4 for root partition.
Resent-Message-ID: <handler.40236.B40236.158569682717855@debbugs.gnu.org>
From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
References: <20200326083524.20275-1-mail@ambrevar.xyz>
 <87h7y5z3x0.fsf@gmail.com> <87lfnga83c.fsf@ambrevar.xyz>
Date: Tue, 31 Mar 2020 19:20:18 -0400
In-Reply-To: <87lfnga83c.fsf@ambrevar.xyz> (Pierre Neidhardt's message of
 "Tue, 31 Mar 2020 16:53:59 +0200")
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To: Pierre Neidhardt <mail@ambrevar.xyz>
Cc: 40236@debbugs.gnu.org

Hello Pierre!

Pierre Neidhardt <mail@ambrevar.xyz> writes:

> Maxim Cournoyer <maxim.cournoyer@gmail.com> writes:
>
>>>                   (list (file-system
>>>                           (device (file-system-label "my-root"))
>>>                           (mount-point "/")
>>> -                         (type "ext4")
>>> +                         (type "btrfs")
>>> +                         (options "subvol=rootfs,compress=zstd")
>
> By the way in your patch you did not document the syntax (options
> "subvol=...").

Are you sure you are looking at the right patch series
(https://issues.guix.info/issue/37305#16)? I documented usage examples
for a root file system using Btrfs subvolumes.

> Is it supported nonetheless in your patch?

Yes.

> Is it supported in current Guix?

Not currently; the patch set is in review :-).  I have it running on 3
machines and there's a system test which shows it working as well, so
don't be afraid to try it!

Maxim