diff options
Diffstat (limited to 'udev')
| -rw-r--r-- | udev/69-dm-lvm-metad.rules | 25 | ||||
| -rw-r--r-- | udev/Makefile.in | 4 |
2 files changed, 29 insertions, 0 deletions
diff --git a/udev/69-dm-lvm-metad.rules b/udev/69-dm-lvm-metad.rules new file mode 100644 index 00000000..a4f52c3e --- /dev/null +++ b/udev/69-dm-lvm-metad.rules @@ -0,0 +1,25 @@ +# Copyright (C) 2012 Red Hat, Inc. All rights reserved. +# +# This file is part of LVM2. + +# Udev rules for LVM. +# +# Scan all block devices having a PV label for LVM metadata. +# Store this information in LVMetaD (the LVM metadata daemon) and maintain LVM +# metadata state for improved performance by avoiding further scans while +# running subsequent LVM commands or while using lvm2app library. +# Also, notify LVMetaD about any relevant block device removal. +# +# This rule is essential for having the information in LVMetaD up-to-date. +# It also requires blkid to be called on block devices before so only devices +# used as LVM PVs are processed (ID_FS_TYPE="LVM2_member" or "LVM1_member"). + +SUBSYSTEM!="block", GOTO="lvm_end" + +# Device-mapper devices are processed only on change event or on supported synthesized event. +KERNEL=="dm-[0-9]*", ENV{DM_UDEV_RULES_VSN}!="?*", GOTO="lvm_end" + +# Only process devices already marked as a PV - this requires blkid to be called before. +ENV{ID_FS_TYPE}=="LVM2_member|LVM1_member", RUN+="$env{DM_SBIN_PATH}/pvscan --lvmetad $major:$minor" + +LABEL="lvm_end" diff --git a/udev/Makefile.in b/udev/Makefile.in index 44bdf114..4ace9108 100644 --- a/udev/Makefile.in +++ b/udev/Makefile.in @@ -19,6 +19,10 @@ DM_RULES=10-dm.rules 13-dm-disk.rules 95-dm-notify.rules LVM_RULES=11-dm-lvm.rules DM_DIR=$(shell grep "\#define DM_DIR" $(top_srcdir)/libdm/misc/dm-ioctl.h | awk '{print $$3}') +ifeq ("@BUILD_LVMETAD@", "yes") +LVM_RULES+=69-dm-lvm-metad.rules +endif + ifeq ("@UDEV_HAS_BUILTIN_BLKID@", "yes") BLKID_RULE=IMPORT{builtin}=\"blkid\" else |