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File Content: `60-multipath.rules`

# Set DM_MULTIPATH_DEVICE_PATH if the device should be handled by multipath
SUBSYSTEM!="block", GOTO="end_mpath"
KERNEL!="sd*|dasd*|nvme*", GOTO="end_mpath"
ACTION=="remove", TEST=="/run/multipath/find_multipaths/$major:$minor", \
	RUN+="/usr/bin/rm -f /run/multipath/find_multipaths/$major:$minor"
ACTION!="add|change", GOTO="end_mpath"

IMPORT{cmdline}="nompath"
ENV{nompath}=="?*", GOTO="end_mpath"
IMPORT{cmdline}="multipath"
ENV{multipath}=="off", GOTO="end_mpath"

ENV{DEVTYPE}!="partition", GOTO="test_dev"
IMPORT{parent}="DM_MULTIPATH_DEVICE_PATH"
ENV{DM_MULTIPATH_DEVICE_PATH}=="1", ENV{ID_FS_TYPE}="none", \
	ENV{SYSTEMD_READY}="0"
GOTO="end_mpath"

LABEL="test_dev"

ENV{MPATH_SBIN_PATH}="/sbin"
TEST!="$env{MPATH_SBIN_PATH}/multipath", ENV{MPATH_SBIN_PATH}="/usr/sbin"

# FIND_MULTIPATHS_WAIT_UNTIL is the timeout (in seconds after the
# epoch).
IMPORT{db}="FIND_MULTIPATHS_WAIT_UNTIL"
ENV{.SAVED_FM_WAIT_UNTIL}="$env{FIND_MULTIPATHS_WAIT_UNTIL}"

# multipath -u needs to know if this device has ever been exported
IMPORT{db}="DM_MULTIPATH_DEVICE_PATH"

# multipath -u sets DM_MULTIPATH_DEVICE_PATH and,
# if "find_multipaths smart", also FIND_MULTIPATHS_WAIT_UNTIL.
IMPORT{program}="$env{MPATH_SBIN_PATH}/multipath -u %k"

# case 1: this is definitely multipath
ENV{DM_MULTIPATH_DEVICE_PATH}=="1", \
	ENV{ID_FS_TYPE}="mpath_member", ENV{SYSTEMD_READY}="0", \
	GOTO="stop_wait"

# case 2: this is definitely not multipath, or timeout has expired
ENV{DM_MULTIPATH_DEVICE_PATH}!="2", \
	GOTO="stop_wait"

# Code below here is only run in "smart" mode.
# multipath -u has indicated this is "maybe" multipath.

# Note that DM_MULTIPATH_DEVICE_PATH has the value 2 at this point.
# This value will never propagate to other rules files, because
# it will be reset to 1 in the "pretend_multipath" section below.

# This shouldn't happen, just in case.
ENV{FIND_MULTIPATHS_WAIT_UNTIL}!="?*", GOTO="end_mpath"

# Be careful not to start the timer twice.
ACTION!="add", GOTO="pretend_mpath"
ENV{.SAVED_FM_WAIT_UNTIL}=="?*", GOTO="pretend_mpath"

# At this point, we are seeing this path for the first time, and it's "maybe" multipath.

# The actual start command for the timer.
#
# The purpose of this command is only to make sure we will receive another
# uevent eventually. *Any* uevent may cause waiting to finish if it either ends
# in case 1-3 above, or if it arrives after FIND_MULTIPATHS_WAIT_UNTIL.
#
# Note that this will try to activate multipathd if it isn't running yet.
# If that fails, the unit starts and expires nonetheless. If multipathd
# startup needs to wait for other services, this wait time will add up with
# the --on-active timeout.
#
# We must trigger an "add" event because LVM2 will only act on those.

RUN+="/usr/bin/systemd-run --unit=cancel-multipath-wait-$kernel --description 'cancel waiting for multipath siblings of $kernel' --no-block --timer-property DefaultDependencies=no --timer-property Conflicts=shutdown.target --timer-property Before=shutdown.target --timer-property AccuracySec=500ms --property DefaultDependencies=no --property Conflicts=shutdown.target --property Before=shutdown.target --property Wants=multipathd.service --property After=multipathd.service --on-active=$env{FIND_MULTIPATHS_WAIT_UNTIL} /bin/udevadm trigger --action=add $sys$devpath"

LABEL="pretend_mpath"
ENV{DM_MULTIPATH_DEVICE_PATH}="1"
ENV{SYSTEMD_READY}="0"
GOTO="end_mpath"

LABEL="stop_wait"
# If timeout hasn't expired but we're not in "maybe" state any more, stop timer
# Do this only once, and only if the timer has been started before
IMPORT{db}="FIND_MULTIPATHS_WAIT_CANCELLED"
ENV{FIND_MULTIPATHS_WAIT_CANCELLED}!="?*", \
	ENV{FIND_MULTIPATHS_WAIT_UNTIL}=="?*", \
	ENV{FIND_MULTIPATHS_WAIT_UNTIL}!="0", \
	ENV{FIND_MULTIPATHS_WAIT_CANCELLED}="1", \
	RUN+="/bin/systemctl stop cancel-multipath-wait-$kernel.timer"

LABEL="end_mpath"

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

File Content: 60-multipath.rules

File Content: `60-multipath.rules`