diff options
Diffstat (limited to 'abs/core/klibc-udev/60-persistent-storage.rules')
-rw-r--r-- | abs/core/klibc-udev/60-persistent-storage.rules | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/abs/core/klibc-udev/60-persistent-storage.rules b/abs/core/klibc-udev/60-persistent-storage.rules new file mode 100644 index 0000000..d32a143 --- /dev/null +++ b/abs/core/klibc-udev/60-persistent-storage.rules @@ -0,0 +1,47 @@ +# do not edit this file, it will be overwritten on update + +# persistent storage links: /dev/disk/{by-id,by-uuid,by-label,by-path} +# scheme based on "Linux persistent device names", 2004, Hannes Reinecke <hare@suse.de> + +# forward scsi device event to corresponding block device +ACTION=="change", SUBSYSTEM=="scsi", ENV{DEVTYPE}=="scsi_device", TEST=="block", ATTR{block/*/uevent}="change" + +ACTION!="add|change", GOTO="persistent_storage_end" +SUBSYSTEM!="block", GOTO="persistent_storage_end" + +# skip rules for inappropriate block devices +KERNEL=="ram*|loop*|fd*|nbd*|gnbd*|md*|btibm*", GOTO="persistent_storage_end" + +# never access non-cdrom removable ide devices, the drivers are causing event loops on open() +KERNEL=="hd*[!0-9]", ATTR{removable}=="1", DRIVERS=="ide-cs|ide-floppy", GOTO="persistent_storage_end" +KERNEL=="hd*[0-9]", ATTRS{removable}=="1", GOTO="persistent_storage_end" + +# ignore partitions that span the entire disk +TEST=="whole_disk", GOTO="persistent_storage_end" + +# /sys/class/block will export this +ENV{DEVTYPE}!="?*", ATTR{range}=="?*", ENV{DEVTYPE}="disk" +ENV{DEVTYPE}!="?*", ATTR{start}=="?*", ENV{DEVTYPE}="partition" + +# for partitions import parent information +ENV{DEVTYPE}=="partition", IMPORT{parent}="ID_*" + +# by-path (parent device path) +ENV{DEVTYPE}=="disk", IMPORT{program}="path_id %p" +ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}" +ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}-part%n" + +# skip unpartitioned removable media devices from drivers which do not send "change" events +ENV{DEVTYPE}=="disk", KERNEL!="sd*|sr*", ATTR{removable}=="1", GOTO="persistent_storage_end" + +# probe filesystem metadata of optical drives which have a media inserted +KERNEL=="sr*", ENV{ID_CDROM_MEDIA_TRACK_COUNT}=="?*", IMPORT{program}="vol_id --export --skip-raid --offset=$env{ID_CDROM_MEDIA_SESSION_LAST_OFFSET} $tempnode" + +# probe filesystem metadata of disks +KERNEL!="sr*", IMPORT{program}="vol_id --export $tempnode" + +# by-label/by-uuid links (filesystem metadata) +ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}" +ENV{ID_FS_USAGE}=="filesystem|other", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}" + +LABEL="persistent_storage_end" |