bug#37977: closed (Mount options ignored for root file system)

[GNU bug Tracking System]

Your message dated Mon, 18 Nov 2019 11:32:16 +0100
with message-id <address@hidden>
and subject line Re: bug#37977: Mount options ignored for root file system
has caused the debbugs.gnu.org bug report #37977,
regarding Mount options ignored for root file system
to be marked as done.

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-- 
37977: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=37977
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> --- Begin Message ---
>
>
>
> Subject: 
>
> Mount options ignored for root file system
>
>
>
>
> Date: 
>
> Tue, 29 Oct 2019 11:22:39 +0100
>
>
>
>
> User-agent: 
>
> mu4e 1.2.0; emacs 26.3
>
>
>
>
> The filesystem options declared for the root file system are apparently
> ignored. This happens for a btrfs root filesystem on a LUKS volume.
>
>
> Exerpt from '/etc/config.scm":
>
> --8<---------------cut here---------------start------------->8---
> (mapped-devices
>   (list (mapped-device
>           (source
>             (uuid "ee90b2aa-97e8-4ae5-ac72-9bf9058cc949"))
>           (target "cryptroot")
>           (type luks-device-mapping))
>         (mapped-device
>           (source
>             (uuid "ec9cd327-0370-4e20-baa4-254d03b1901e"))
>           (target "cryptguillaume")
>           (type luks-device-mapping))))
> (file-systems
>   (cons* (file-system
>            (mount-point "/")
>            (device "/dev/mapper/cryptroot")
>            (type "btrfs")
>            (options "autodefrag,compress=lzo")
>            (dependencies mapped-devices))
>          (file-system
>            (mount-point "/home/guillaume")
>            (device "/dev/mapper/cryptguillaume")
>            (type "btrfs")
>            (options "autodefrag,compress=lzo")
>            (dependencies mapped-devices))
>          %base-file-systems))
> --8<---------------cut here---------------end--------------->8---
>
>
> Exerpt from '/etc/fstab':
>
> --8<---------------cut here---------------start------------->8---
> /dev/mapper/cryptroot / btrfs autodefrag,compress=lzo   
> /dev/mapper/cryptguillaume /home/guillaume btrfs autodefrag,compress=lzo
> --8<---------------cut here---------------end--------------->8---
>
>
> Exerpt from '/etc/mtab':
>
> --8<---------------cut here---------------start------------->8---
> /dev/mapper/cryptroot / btrfs
>   rw,relatime,ssd,space_cache,subvolid=5,subvol=/
>   0 0
>
> /dev/mapper/cryptguillaume /home/guillaume btrfs
>   rw,relatime,compress=lzo,ssd,space_cache,autodefrag,subvolid=5,subvol=/
>   0 0
>
> /dev/mapper/cryptroot /gnu/store btrfs
>   ro,relatime,ssd,space_cache,subvolid=5,subvol=/gnu/store
>   0 0
> --8<---------------cut here---------------end--------------->8---
>
> Here we see that the options 'autodefrag' and 'compress=lzo' have
> disappeared on the root filesystem. Maybe it has something to do with
> the new '/gnu/store' subvolume that appeared?
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#37977: Mount options ignored for root file system
>
>
>
>
> Date: 
>
> Mon, 18 Nov 2019 11:32:16 +0100
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)
>
>
>
>
> Hello Guillaume,
>
> Guillaume Le Vaillant <address@hidden> skribis:
>
> > The attached patch adds an 'options' parameter to
> > 'mount-root-file-system' and makes 'boot-system' use it with the
> > content of the 'options' field of the <file-system> object for "/".
> > 
> > It's not exactly the solution you described (adding a keyword argument
> > to 'boot-system'), but I think it should work. What do you think?
>
> It looks great to me.
>
> > From 3597f0fda6f6a13bf1fdab0fcde4f72ece688d93 Mon Sep 17 00:00:00 2001
> > From: Guillaume Le Vaillant <address@hidden>
> > Date: Sun, 17 Nov 2019 14:15:21 +0100
> > Subject: [PATCH] linux-boot: Don't ignore options when mounting root file
> >  system.
> >
> > * gnu/build/linux-boot.scm (mount-root-file-system): Add the 'options'
> >   keyword argument and use it when mounting the root file system.
> >   (boot-system): Pass the root file system options to
> >   'mount-root-file-system'.
>
> Applied, thanks!
>
> Ludo’.
>
>
> --- End Message ---