1# Copyright (C) 2009 Red Hat, Inc. All rights reserved. 2# 3# This file is part of LVM2. 4 5# Udev rules for device-mapper devices. 6# 7# These rules create symlinks in /dev/disk directory. 8# Symlinks that depend on probing filesystem type, 9# label and uuid are created only if the device is not 10# suspended. 11 12# "add" event is processed on coldplug only! 13ACTION!="add|change", GOTO="dm_end" 14ENV{DM_UDEV_RULES_VSN}!="?*", GOTO="dm_end" 15ENV{DM_UDEV_DISABLE_DISK_RULES_FLAG}=="1", GOTO="dm_end" 16 17SYMLINK+="disk/by-id/dm-name-$env{DM_NAME}" 18ENV{DM_UUID}=="?*", SYMLINK+="disk/by-id/dm-uuid-$env{DM_UUID}" 19 20ENV{DM_SUSPENDED}=="1", GOTO="dm_end" 21ENV{DM_NOSCAN}=="1", GOTO="dm_watch" 22 23IMPORT{builtin}="blkid" 24ENV{DM_UDEV_LOW_PRIORITY_FLAG}=="1", OPTIONS="link_priority=-100" 25ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}" 26ENV{ID_FS_USAGE}=="filesystem|other", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}" 27ENV{ID_PART_ENTRY_UUID}=="?*", SYMLINK+="disk/by-partuuid/$env{ID_PART_ENTRY_UUID}" 28ENV{ID_PART_ENTRY_SCHEME}=="gpt", ENV{ID_PART_ENTRY_NAME}=="?*", SYMLINK+="disk/by-partlabel/$env{ID_PART_ENTRY_NAME}" 29ENV{ID_PART_ENTRY_SCHEME}=="gpt", ENV{ID_PART_GPT_AUTO_ROOT}=="1", SYMLINK+="gpt-auto-root" 30 31# Add inotify watch to track changes on this device. 32# Using the watch rule is not optimal - it generates a lot of spurious 33# and useless events whenever the device opened for read-write is closed. 34# The best would be to generete the event directly in the tool changing 35# relevant information so only relevant events will be processed 36# (like creating a filesystem, changing filesystem label etc.). 37# 38# But let's use this until we have something better... 39LABEL="dm_watch" 40OPTIONS+="watch" 41 42LABEL="dm_end" 43