On Mon, Jul 10, 2017 at 01:15:09PM +0200, Pali Rohár wrote: > On Monday 10 July 2017 13:08:28 Karel Zak wrote: > > On Wed, Jul 05, 2017 at 01:49:26PM +0200, Pali Rohár wrote: > > > Hi! What is the meaning of the ID_FS_VERSION attribute? I'm trying to > > > find documentation about libblkid attributes, but seems there is none. > > > > libblkid/src/superblocks/superblocks.c > > > > * @VERSION: filesystem version > > > > :-) > > That does not provide more information :-) > > > Well, the field is to provide more details about the filesystem, for > > example we have VERSION="FAT16" TYPE="vfat", and so on. Note that TYPE > > is usually name used by kernel (to be usable for "mount -t <type>"). > > > > I guess the VERSION is used by some userspace stuff (udisks?) to get > > more information (or provide more details to end-users). It's probably > > nothing critical. > > I'm thinking if we can provide UDF revision/version of UDF filesystem to > userspace and looks like ID_FS_VERSION is good candidate for it... > > What do you think? It seems blkid_probe_set_version() is nowhere used for UD now, so we have absolute freedom to use it in some way. > E.g. Linux kernel is able to read UDF filesystem up to revision 2.50 and > has read-write support up to revision 2.01. So for userspace this > information can be useful. Yes, sounds good. 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