Re: Fwd: Re: util-linux: libblkid: UDF superblock

["Pali Rohár" <pali.rohar@gmail.com>]

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On Friday 19 December 2014 14:56:08 Karel Zak wrote:
> On Tue, Dec 09, 2014 at 11:35:20AM +0100, Karel Zak wrote:
> > > I looked into grub2 code and it is identifying UDF label
> > > also from LogicalVolumeIdentifier. So if you want to boot
> > > something from UDF FS via grub you probably see label
> > > problems...
> > > 
> > > So I think that rather than using broken linux
> > > implementation is better to fix it (which could bring
> > > problems with different label names in new version). And
> > > I would like to see human readable label as "555e3160".
> > 
> > It's more important to not introduce regression, if you have
> > LABEL= in your fstab then you don't want to see that after
> > util-linux update your setting is obsolete and filesystem
> > unmounted.
> 
> You have convinced me that fix the problem (and improve
> compatibility) with UDF LABEL= is a good idea.
> 
> Not sure, but I guess that for many users the change will be
> invisible because preferred way is to read the LABEL from
> ISO9660 header and UDF specific LABEL is just fallback
> solution only.
> 
> The latest Pali's patches are at:
> https://github.com/karelzak/util-linux/pull/135
> 
>     Karel

Now I played with Windows format.exe command and it set UDF ids:

Volume identifier: "UDF Volume"
Logical volume identifier: "<label_from_user>"
Volume set identifier: "<8_hex_numbers> UDF Volume Set"

Windows shows in My Computer label from Logical volume identifier

-- 
Pali Rohár
pali.rohar@gmail.com

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