Re: [gentoo-user] File-system mounting questions

[Fernando Rodriguez]

On Friday, September 18, 2015 5:14:15 PM Walter Dnes wrote:
>   A while ago, I mentioned that I had problems running cdda2wav as a
> regular user.  While rebuilding cdrtools recently, I noticed that the
> build finished with the following warnings...
>
> >>> Installing (1 of 1) app-cdr/cdrtools-3.01_alpha17::gentoo
>  * >>> SetUID: [chmod go-r] /usr/sbin/rscsi ...                          [ ok ]
>  * >>> SetUID: [chmod go-r] /usr/bin/cdda2wav ...                        [ ok ]
>  * >>> SetUID: [chmod go-r] /usr/bin/readcd ...                          [ ok ]
>  * >>> SetUID: [chmod go-r] /usr/bin/cdrecord ...                        [ ok ]
>  * Could not set caps on '/usr/bin/cdrecord' due to missing filesystem support:
>  * * enable XATTR support for 'ext2/ext3' in your kernel (if configurable)
>  * * mount the fs with the user_xattr option (if not the default)
>  * * enable the relevant FS_SECURITY option (if configurable)
>  * Could not set caps on '/usr/bin/cdda2wav' due to missing filesystem support:
>  * * enable XATTR support for 'ext2/ext3' in your kernel (if configurable)
>  * * mount the fs with the user_xattr option (if not the default)
>  * * enable the relevant FS_SECURITY option (if configurable)
>  * Could not set caps on '/usr/bin/readcd' due to missing filesystem support:
>  * * enable XATTR support for 'ext2/ext3' in your kernel (if configurable)
>  * * mount the fs with the user_xattr option (if not the default)
>  * * enable the relevant FS_SECURITY option (if configurable)
> >>> Auto-cleaning packages...
>
>   That might explain my problems.  So I modified my kernel as below...
>
> <*> Second extended fs support
> [*]   Ext2 extended attributes
> [ ]     Ext2 POSIX Access Control Lists
> [ ]     Ext2 Security Labels
> <*> Ext3 journalling file system support
> [*]   Default to 'data=ordered' in ext3
> [*]   Ext3 extended attributes
> [ ]     Ext3 POSIX Access Control Lists
> [ ]     Ext3 Security Labels

You'll also need this ^

> < > The Extended 4 (ext4) filesystem
>
> ...rebuilt, and rebooted into it.  Still the same warnings on the build.
> So now it appears that I have to...
> > mount the fs with the user_xattr option (if not the default)
> > enable the relevant FS_SECURITY option (if configurable)
>
>   Can someone point me to an example somewhere of how to do it?  I
> prefer not to muck around blindly with unknown options in /etc/fstab
> BTW, I'm building cdrtools with USE="caps filecaps -acl -nls -unicode"
> if that matters.

Just add the user_xattr unde <opts> column. Like:

UUID=34868f06-d56b-4539-a649-33ec96b50d74       /               ext3            noatime,user_xattr      0 1 

-- 
Fernando Rodriguez