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File Content: `56-lvm.rules`

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

# Udev rules for LVM.
#
# These rules create symlinks for LVM logical volumes in
# /dev/VG directory (VG is an actual VG name). Some udev
# environment variables are set (they can be used in later
# rules as well):
#   DM_LV_NAME - logical volume name
#   DM_VG_NAME - volume group name
#   DM_LV_LAYER - logical volume layer (blank if not set)

# "add" event is processed on coldplug only!
ACTION!="add|change", GOTO="lvm_end"
ENV{DM_UDEV_RULES_VSN}!="?*", GOTO="lvm_end"
ENV{DM_UUID}!="LVM-?*", GOTO="lvm_end"

# Use DM name and split it up into its VG/LV/layer constituents.
IMPORT{program}="/sbin/dmsetup splitname --nameprefixes --noheadings --rows $env{DM_NAME}"

# DM_SUBSYSTEM_UDEV_FLAG0 is the 'NOSCAN' flag for LVM subsystem.
# This flag is used to temporarily disable selected rules to prevent any
# processing or scanning done on the LVM volume before LVM has any chance
# to zero any stale metadata found within the LV data area. Such stale
# metadata could cause false claim of the LV device, keeping it open etc.
#
# If the NOSCAN flag is present, backup selected existing flags used to
# disable rules, then set them firmly so those selected rules are surely skipped.
# Restore these flags once the NOSCAN flag is dropped (which is normally any
# uevent that follows for this LV, even an artificially generated one).
ENV{DM_SUBSYSTEM_UDEV_FLAG0}=="1", ENV{DM_NOSCAN}="1", ENV{DM_DISABLE_OTHER_RULES_FLAG_OLD}="$env{DM_UDEV_DISABLE_OTHER_RULES_FLAG}", ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}="1"
ENV{DM_SUBSYSTEM_UDEV_FLAG0}!="1", IMPORT{db}="DM_NOSCAN", IMPORT{db}="DM_DISABLE_OTHER_RULES_FLAG_OLD"
ENV{DM_SUBSYSTEM_UDEV_FLAG0}!="1", ENV{DM_NOSCAN}=="1", ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}="$env{DM_DISABLE_OTHER_RULES_FLAG_OLD}", \
				   ENV{DM_DISABLE_OTHER_RULES_FLAG_OLD}="", ENV{DM_NOSCAN}=""

ENV{DM_UDEV_DISABLE_SUBSYSTEM_RULES_FLAG}=="1", GOTO="lvm_end"

# Do not create symlinks for inappropriate subdevices.
ENV{DM_LV_NAME}=="pvmove?*|?*_vorigin", GOTO="lvm_disable"
ENV{DM_LV_LAYER}=="?*", GOTO="lvm_disable"

# Create symlinks for top-level devices only.
ENV{DM_VG_NAME}=="?*", ENV{DM_LV_NAME}=="?*", SYMLINK+="$env{DM_VG_NAME}/$env{DM_LV_NAME}", GOTO="lvm_end"

LABEL="lvm_disable"
ENV{DM_UDEV_DISABLE_DISK_RULES_FLAG}="1"
ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}="1"
OPTIONS:="nowatch"

LABEL="lvm_end"

Name	Size	Permission
01-md-raid-creating.rules	321 bytes	0644
40-usb_modeswitch.rules	42861 bytes	0644
40-vm-hotadd.rules	655 bytes	0644
50-apport.rules	165 bytes	0644
50-firmware.rules	210 bytes	0644
50-udev-default.rules	4846 bytes	0644
55-dm.rules	7274 bytes	0644
55-scsi-sg3_id.rules	6664 bytes	0644
56-dm-mpath.rules	4560 bytes	0644
56-dm-parts.rules	1442 bytes	0644
56-lvm.rules	2420 bytes	0644
58-scsi-sg3_symlink.rules	2863 bytes	0644
60-autosuspend.rules	419 bytes	0644
60-block.rules	703 bytes	0644
60-cdrom_id.rules	1071 bytes	0644
60-drm.rules	413 bytes	0644
60-evdev.rules	990 bytes	0644
60-fido-id.rules	491 bytes	0644
60-input-id.rules	282 bytes	0644
60-multipath.rules	3863 bytes	0644
60-open-vm-tools.rules	250 bytes	0644
60-persistent-alsa.rules	616 bytes	0644
60-persistent-input.rules	2719 bytes	0644
60-persistent-storage-dm.rules	1794 bytes	0644
60-persistent-storage-tape.rules	2135 bytes	0644
60-persistent-storage.rules	9145 bytes	0644
60-persistent-v4l.rules	769 bytes	0644
60-sensor.rules	736 bytes	0644
60-serial.rules	1190 bytes	0644
60-tpm-udev.rules	243 bytes	0644
61-persistent-storage-android.rules	455 bytes	0644
63-md-raid-arrays.rules	2452 bytes	0644
64-btrfs-dm.rules	387 bytes	0644
64-btrfs-zoned.rules	346 bytes	0644
64-btrfs.rules	612 bytes	0644
64-md-raid-assembly.rules	1462 bytes	0644
66-azure-ephemeral.rules	1951 bytes	0644
68-del-part-nodes.rules	1141 bytes	0644
69-bcache.rules	1044 bytes	0644
69-lvm-metad.rules	5813 bytes	0644
69-md-clustered-confirm-device.rules	846 bytes	0644
70-iscsi-network-interface.rules	226 bytes	0644
70-joystick.rules	432 bytes	0644
70-memory.rules	184 bytes	0644
70-mouse.rules	734 bytes	0644
70-open-iscsi.rules	253 bytes	0644
70-power-switch.rules	576 bytes	0644
70-touchpad.rules	473 bytes	0644
70-uaccess.rules	2676 bytes	0644
71-power-switch-proliant.rules	461 bytes	0644
71-seat.rules	3810 bytes	0644
73-seat-late.rules	643 bytes	0644
73-special-net-names.rules	969 bytes	0644
75-net-description.rules	452 bytes	0644
75-probe_mtd.rules	174 bytes	0644
78-graphics-card.rules	965 bytes	0644
78-sound-card.rules	4816 bytes	0644
80-debian-compat.rules	594 bytes	0644
80-drivers.rules	617 bytes	0644
80-net-setup-link.rules	295 bytes	0644
81-net-dhcp.rules	528 bytes	0644
85-hdparm.rules	82 bytes	0644
90-bolt.rules	359 bytes	0644
90-console-setup.rules	265 bytes	0644
95-dm-notify.rules	479 bytes	0644
95-kpartx.rules	1401 bytes	0644
96-e2scrub.rules	171 bytes	0644
99-lxd-agent.rules	141 bytes	0644
99-systemd.rules	4600 bytes	0644
99-vmware-scsi-udev.rules	433 bytes	0644

Name

Size

Permission

Action

01-md-raid-creating.rules

321 bytes

0644