Le jeu. 13 juin 2013 15:30:35 CEST, Karel Zak a écrit : > On Fri, Jun 07, 2013 at 07:27:00PM +0200, Gabriel de Perthuis wrote: >> --- >> v3: Call it ID_PART_TABLE_UUID in udev rules > > I have applied a little bit different version. Anyway, you have to > modify udevd to make it usable with in built-in blkid. It also > exports MBR ID (so the change is not GPT specific) as partition > table pseudo UUID. Examples: > > # blkid -p -o udev /dev/sda > ID_PART_TABLE_UUID=3549290f-417c-4941-8503-f7835109b821 > ID_PART_TABLE_TYPE=gpt > > # blkid -p -o udev /dev/sdb > ID_PART_TABLE_UUID=54e743a7 > ID_PART_TABLE_TYPE=dos > > > Note that I have also add support for Dos partitions pseudo-uuids. The > implementation is compatible with Linux kernel root=PARTUUID= command > line option. v1 of the patch had those MBR ids, I deliberately removed them in v2 because they weren't unique on the disks I had. Calling those UUIDs will create false expectations. > The PARTUUID for Dos partitions is based on MBR Id and partition number, > for example: > > # blkid /dev/sdb1 > /dev/sdb1: TYPE="ext2" PARTUUID="54e743a7-01" > > is the first partition on disk with PTUUID=54e743a7. So you can use > > # mount PARTUUID="54e743a7-01" /mnt/test > > Karel -- 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
