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Diffstat (limited to 'extras/volume_id/README')
| -rw-r--r-- | extras/volume_id/README | 68 |
1 files changed, 49 insertions, 19 deletions
diff --git a/extras/volume_id/README b/extras/volume_id/README index d570615e10..a7635ff612 100644 --- a/extras/volume_id/README +++ b/extras/volume_id/README @@ -1,43 +1,73 @@ - -udev_volume_id - partition, filesystem, disklabel reader +vol_id - partition, filesystem, disklabel reader This program is normally called from a udev rule, to provide udev with the name, uuid or the filesystem type of a partition to name a device node. -udev_volume_id opens the blockdevice node specified at the commandline. -The following commandline switches are supported to specify what udev_volume_id -should print to stdout: +vol_id opens the blockdevice node specified at the commandline. +The following commandline switches are supported to specify what vol_id +should print: - no option prints all values - -h prints help text - -l prints the label of the partition - -u prints the uuid of the partition + --export prints all values + -h prints help text + -l prints the label of the partition + -u prints the uuid of the partition -udev_volume_id will only return successful if the string asked for, is not +vol_id will only return successful if the string asked for, is not empty. All trailing whitespace will be removed, spaces replaced by underscore and slashes ignored. +fstype probe label uuid fsversion +---------------------------------------------------- +ext * * * * +reiserfs jr/3.5/3.6/4 * * * * +fat (12, 16, 32) * * * * +ntfs * * * * +jfs * * * - +xfs * * * - +hfs (plus, wrapped) * * * - +udf * * - - +iso9660 * * n/a - +ufs * - - - +linux swap * * * * +LVM 1 * - - - +LVM 2 * - - * +linux raid * - * * +cramfs * * - - +sysv * * - * +luks * - * - +hpfs * - - - +romfs * +minix * +dasd * +highpoint * +isw_raid * +lsi_raid * +nvidia_raid * +promise_raid * +silicon_raid * +via_raid * +mac partitons * +msdos partitions * + + The following rule will create a symlink named with the label string: - KERNEL="[hs]d*", PROGRAM="/sbin/udev_volume_id -l %N", SYMLINK="%c" + KERNEL=="[hs]d*", PROGRAM=="/sbin/vol_id -l %N", SYMLINK+="%c" -If no label is found udev_volume_id exits with nonzero and the rule will be +If no label is found vol_id exits with nonzero and the rule will be ignored. To give it a try, you may call it on the commandline: - - [root@pim udev.kay]# extras/volume_id/udev_volume_id /dev/hda3 + [root@pim udev.kay]# extras/volume_id/vol_id /dev/hda3 T:ext3 L:Music Store N:Music_Store U:d2da42b5-bbd9-44eb-a72c-cc4542fcb71e - [root@pim udev.kay]# extras/volume_id/udev_volume_id -l /dev/hda3 + [root@pim udev.kay]# extras/volume_id/vol_id -l /dev/hda3 Music_Store - [root@pim udev.kay]# extras/volume_id/udev_volume_id -t /dev/hda3 + [root@pim udev.kay]# extras/volume_id/vol_id -t /dev/hda3 swap -Please send any comment/questions/concerns to me or: - linux-hotplug-devel@lists.sourceforge.net - +Any comment/questions/concerns to me: Kay Sievers <kay.sievers@vrfy.org> |