File udev-rules_update.diff of Package lvm2

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File udev-rules_update.diff of Package lvm2

Index: LVM2.2.02.67/udev/10-dm.rules.in
===================================================================
--- LVM2.2.02.67.orig/udev/10-dm.rules.in	2010-06-25 11:35:12.000000000 +0800
+++ LVM2.2.02.67/udev/10-dm.rules.in	2010-06-25 11:38:54.000000000 +0800
@@ -37,11 +37,16 @@
 # kernels >= 2.6.31 only.
 ENV{DM_COOKIE}=="?*", IMPORT{program}="$env{DM_SBIN_PATH}/dmsetup udevflags $env{DM_COOKIE}"
 
-# Normally, we would test for DM_UDEV_DISABLE_DM_RULES_FLAG here and skip
-# the rules if set. However, we need to set DM_* environment variables
-# for now to properly filter out inappropriate events. This dependency
-# might be removed in the future.
-
+# Device created, major and minor number assigned - "add" event generated.
+# Table loaded - no event generated.
+# Device resumed (or renamed) - "change" event generated.
+# Device removed - "remove" event generated.
+#
+# The dm-X nodes are always created, even on "add" event, we can't suppress
+# that (the node is created even earlier with devtmpfs). All the symlinks
+# (e.g. /dev/mapper) are created in right time after a device has its table
+# loaded and is properly resumed. For this reason, direct use of dm-X nodes
+# is not recommended.
 ACTION!="add|change", GOTO="dm_end"
 
 # There is no cookie set nor any flags encoded in events not originating
@@ -55,6 +60,7 @@
 IMPORT{db}="DM_UDEV_DISABLE_OTHER_RULES_FLAG"
 IMPORT{db}="DM_UDEV_LOW_PRIORITY_FLAG"
 IMPORT{db}="DM_UDEV_DISABLE_LIBRARY_FALLBACK_FLAG"
+IMPORT{db}="DM_UDEV_PRIMARY_SOURCE_FLAG"
 IMPORT{db}="DM_UDEV_FLAG7"
 IMPORT{db}="DM_SUBSYSTEM_UDEV_FLAG0"
 IMPORT{db}="DM_SUBSYSTEM_UDEV_FLAG1"
@@ -66,12 +72,19 @@
 IMPORT{db}="DM_SUBSYSTEM_UDEV_FLAG7"
 LABEL="dm_flags_done"
 
-# Normally, we operate on "change" events only. But when
-# coldplugging, there's an "add" event present. We have to
-# recognize this and do our actions in this particular
-# situation, too. Also, we don't want the nodes to be
-# created prematurely on "add" events while not coldplugging.
-ACTION=="add", ENV{STARTUP}!="1", NAME="", GOTO="dm_end"
+# Normally, we operate on "change" events. But when coldplugging, there's an
+# "add" event present. We have to recognize this and do our actions in this
+# particular situation, too. Also, we don't want the nodes to be created
+# prematurely on "add" events while not coldplugging. We check
+# DM_UDEV_PRIMARY_SOURCE_FLAG to see if the device was activated correctly
+# before and if not, we ignore the "add" event totally. This way we can support
+# udev triggers generating "add" events (e.g. "udevadm trigger --action=add" or
+# "echo add > /sys/block/<dm_device>/uevent"). The trigger with "add" event is
+# also used at boot to reevaluate udev rules for all existing devices activated
+# before (e.g. in initrd). If udev is used in initrd, we require the udev init
+# script to not remove the existing udev database so we can reuse the information
+# stored at the time of device activation in the initrd.
+ACTION=="add", ENV{DM_UDEV_PRIMARY_SOURCE_FLAG}!="1", GOTO="dm_disable"
 
 # "dm" sysfs subdirectory is available in newer versions of DM
 # only (kernels >= 2.6.29). We have to check for its existence
@@ -84,6 +97,10 @@
 TEST!="dm", IMPORT{program}="$env{DM_SBIN_PATH}/dmsetup info -j %M -m %m -c --nameprefixes --noheadings --rows -o name,uuid,suspended"
 ENV{DM_SUSPENDED}!="?*", IMPORT{program}="$env{DM_SBIN_PATH}/dmsetup info -j %M -m %m -c --nameprefixes --noheadings --rows -o suspended"
 
+# dmsetup export is a SUSE extension to dmsetup
+# it is required by some other udev rules in SUSE distro.
+IMPORT{program}="$env{DM_SBIN_PATH}/dmsetup export -j %M -m %m"
+
 # dmsetup tool provides suspended state information in textual
 # form with values "Suspended"/"Active". We translate it to
 # 0/1 respectively to be consistent with sysfs values.
Index: LVM2.2.02.67/udev/13-dm-disk.rules
===================================================================
--- LVM2.2.02.67.orig/udev/13-dm-disk.rules	2010-06-25 11:35:12.000000000 +0800
+++ LVM2.2.02.67/udev/13-dm-disk.rules	2010-06-25 11:35:17.000000000 +0800
@@ -14,13 +14,16 @@
 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}"
+SYMLINK+="disk/by-id/dm-name-$env{DM_NAME}", OPTIONS+="string_escape=replace"
+ENV{DM_UUID}=="?*", SYMLINK+="disk/by-id/dm-uuid-$env{DM_UUID}", OPTIONS+="string_escape=replace"
 
 ENV{DM_SUSPENDED}=="1", GOTO="dm_end"
+ENV{DM_TARGET_TYPES}=="|*error*", GOTO="dm_end"
 
 IMPORT{program}="$env{DM_SBIN_PATH}/blkid -o udev -p $tempnode"
-ENV{DM_UDEV_LOW_PRIORITY_FLAG}=="1", OPTIONS="link_priority=-100"
+ENV{DM_UDEV_LOW_PRIORITY_FLAG}=="1", OPTIONS+="link_priority=-100"
+OPTIONS+="watch"
+ENV{DM_TARGET_TYPES}=="*snapshot-origin*", OPTIONS+="link_priority=-90"
 ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$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}"

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