[lvm2.git] / udev / 13-dm-disk.rules.in

# Copyright (C) 2009 Red Hat, Inc. All rights reserved.
#
# This file is part of LVM2.

# Udev rules for device-mapper devices.
#
# These rules create symlinks in /dev/disk directory.
# Symlinks that depend on probing filesystem type,
# label and uuid are created only if the device is not
# suspended.

# "add" event is processed on coldplug only!
ACTION!="add|change", GOTO="dm_end"
ENV{DM_UDEV_RULES_VSN}!="?*", GOTO="dm_end"
ENV{DM_UDEV_DISABLE_DISK_RULES_FLAG}=="1", GOTO="dm_end"

SYMLINK+="disk/by-id/dm-name-$env{DM_NAME}"
ENV{DM_UUID}=="?*", SYMLINK+="disk/by-id/dm-uuid-$env{DM_UUID}"

ENV{DM_SUSPENDED}=="1", GOTO="dm_end"

(BLKID_RULE)
ENV{DM_UDEV_LOW_PRIORITY_FLAG}=="1", OPTIONS="link_priority=-100"
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}"

# Add inotify watch to track changes on this device.
# Using the watch rule is not optimal - it generates a lot of spurious
# and useless events whenever the device opened for read-write is closed.
# The best would be to generete the event directly in the tool changing
# relevant information so only relevant events will be processed
# (like creating a filesystem, changing filesystem label etc.).
#
# But let's use this until we have something better...

OPTIONS+="watch"

LABEL="dm_end"
Commit	Line	Data
e5fa2e44 AK	1	# Copyright (C) 2009 Red Hat, Inc. All rights reserved.
	2	#
	3	# This file is part of LVM2.
	4
252239bd AK	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
772f7d41	12	# "add" event is processed on coldplug only!
9c20c7af PR	13	ACTION!="add\|change", GOTO="dm_end"
	14	ENV{DM_UDEV_RULES_VSN}!="?*", GOTO="dm_end"
	15	ENV{DM_UDEV_DISABLE_DISK_RULES_FLAG}=="1", GOTO="dm_end"
252239bd AK	16
	17	SYMLINK+="disk/by-id/dm-name-$env{DM_NAME}"
	18	ENV{DM_UUID}=="?*", SYMLINK+="disk/by-id/dm-uuid-$env{DM_UUID}"
	19
9c20c7af	20	ENV{DM_SUSPENDED}=="1", GOTO="dm_end"
252239bd	21
6dd70f47	22	(BLKID_RULE)
772f7d41	23	ENV{DM_UDEV_LOW_PRIORITY_FLAG}=="1", OPTIONS="link_priority=-100"
252239bd AK	24	ENV{ID_FS_USAGE}=="filesystem\|other\|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
	25	ENV{ID_FS_USAGE}=="filesystem\|other", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"
	26
9a0cf1ad	27	# Add inotify watch to track changes on this device.
386220ad	28	# Using the watch rule is not optimal - it generates a lot of spurious
9a0cf1ad PR	29	# and useless events whenever the device opened for read-write is closed.
	30	# The best would be to generete the event directly in the tool changing
	31	# relevant information so only relevant events will be processed
	32	# (like creating a filesystem, changing filesystem label etc.).
	33	#
	34	# But let's use this until we have something better...
	35
	36	OPTIONS+="watch"
	37
252239bd	38	LABEL="dm_end"