[PATCH v1] erofs: remove the guard of showing domain_id and fsid

[Yuezhang.Mo at sony.com]

> On 2026/3/30 15:32, Yuezhang Mo wrote:
> > This change fixes an issue where domain_id was not shown when
> > CONFIG_EROFS_FS_PAGE_CACHE_SHARE is enabled, as this configuration
> > is mutually exclusive with CONFIG_EROFS_FS_ONDEMAND.
> >
> > Both domain_id and fsid fields are present in struct erofs_sb_info
> > regardless of configuration. They are not set if the configurations
> > are not enabled, and remain NULL. Therefore, the conditional guard
> > in erofs_show_options() are unnecessary and can be removed.
> >
> > Signed-off-by: Yuezhang Mo <Yuezhang.Mo at sony.com>
> > Reviewed-by: Friendy Su <friendy.su at sony.com>
> > Reviewed-by: Daniel Palmer <daniel.palmer at sony.com>
> 
> `domain_id` is a user-sensitive information for the page cache
> sharing feature (much like passwd), so it shouldn't be shown
> in the mount option by design, and only the mounter should
> know what it was set.

Oh, this is part of the design, not a bug. Thank you for your explanation.