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5ef2c36a6b
There's a tiny period of time when the _mimage device is visible during downconversion from mirror to linear. Since it is visible, we need to create the symlinks, otherwise warning messages will be issued about udev not creating those symlinks. We have to rely on udev flags completely.
37 lines
1.2 KiB
Plaintext
37 lines
1.2 KiB
Plaintext
# Copyright (C) 2009 Red Hat, Inc. All rights reserved.
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#
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# This file is part of LVM2.
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# Udev rules for LVM.
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#
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# These rules create symlinks for LVM logical volumes in
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# /dev/VG directory (VG is an actual VG name). Some udev
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# environment variables are set (they can be used in later
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# rules as well):
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# DM_LV_NAME - logical volume name
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# DM_VG_NAME - volume group name
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# DM_LV_LAYER - logical volume layer (blank if not set)
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# "add" event is processed on coldplug only!
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ACTION!="add|change", GOTO="lvm_end"
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ENV{DM_UDEV_RULES_VSN}!="?*", GOTO="lvm_end"
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ENV{DM_UUID}!="LVM-?*", GOTO="lvm_end"
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# Use DM name and split it up into its VG/LV/layer constituents.
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IMPORT{program}="$env{DM_SBIN_PATH}/dmsetup splitname --nameprefixes --noheadings --rows $env{DM_NAME}"
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ENV{DM_UDEV_DISABLE_SUBSYSTEM_RULES_FLAG}=="1", GOTO="lvm_end"
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# Do not create symlinks for inappropriate subdevices.
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ENV{DM_LV_NAME}=="pvmove?*|?*_vorigin", GOTO="lvm_disable"
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ENV{DM_LV_LAYER}=="?*", GOTO="lvm_disable"
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# Create symlinks for top-level devices only.
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ENV{DM_VG_NAME}=="?*", ENV{DM_LV_NAME}=="?*", SYMLINK+="$env{DM_VG_NAME}/$env{DM_LV_NAME}", GOTO="lvm_end"
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LABEL="lvm_disable"
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ENV{DM_UDEV_DISABLE_DISK_RULES_FLAG}="1"
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ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}="1"
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LABEL="lvm_end"
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