On Wed, Aug 10, 2016 at 02:53:49PM +0200, Pali Rohár wrote: > On Wednesday 10 August 2016 14:38:59 Jan Kara wrote: > > Hi, > > Hi! > > > we have noticed that since commit 2f2730bc77c9 "libblkid: udf: Fix reading > > LABEL, add support for UUID and other udf identifiers" some volumes have > > changed labels which are reported by blkid. See [1] for an example. > > "You are not authorized to access bug #983165." > > > This is > > because that commit changed what is used for the label - previously we have > > used 'ident' in the Primary Volume Descriptor, and after that commit we use > > Logical Volume ID. > > Yes, thats true. > > > I think it would be better to keep consistency with older util-linux > > releases (e.g. valid /etc/fstab that uses labels may be broken by this > > change) but I'm not sure whether there is a point once the new behavior > > has been released in the util-linux release. But still I wanted to raise > > this since I'm not sure how much util-linux cares about these changes and > > also so that people are aware of the change... > > > > Honza > > > > [1] https://bugzilla.suse.com/show_bug.cgi?id=983165 > > > > Reason why I proposed that change is because all other software use > Logical Volume Identifier as label. Just linux blkid used something > other. > > Basically Linux was incompatible with whole world and I think this was a > bug. Also UDF specification say something that LVI is displayed to user. > IIRC also Grub2 uses LVI as label identification. > > So I do not agree with reverting back old behaviour which is > incompatible with everything except old util-linux versions... I don't plan to revert it after 2 years and change it again. We had two possible solutions, but none is perfect. The selected solution allows us to be more compatible with another systems, but with a small regression that is very probably invisible for standard CD users. (This is first report after two years.) See the original discussion about it: http://marc.info/?l=util-linux-ng&m=141812346909875&w=2 Karel -- Karel Zak <kzak@xxxxxxxxxx> http://karelzak.blogspot.com -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
