From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Rajnoha <prajnoha@redhat.com>
Date: Wed, 29 Apr 2009 20:11:58 +0000
Subject: Re: Udev integration for device-mapper and its subsystems.
Message-Id: <49F8B48E.2080208@redhat.com>
List-Id: <linux-hotplug.vger.kernel.org>
References: <49F5DC36.9080309@redhat.com>
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To: linux-hotplug@vger.kernel.org


Thanks for the feedback. Will this model be more acceptable then?

Peter


/lib/udev/rules.d
========10-dm.rules
-----------
KERNEL="device-mapper", NAME="mapper/control"

SUBSYSTEM!="block", GOTO="dm_end"
KERNEL!="dm-[0-9]*", GOTO="dm_end"

# We supress the creation of nodes on ADD events, they must be created on CHANGE events only!
ACTION="add", NAME=""
ACTION!="change", GOTO="dm_end"

TEST="dm", ENV{DM_NAME}="$attr{dm/name}", ENV{DM_UUID}="$attr{dm/uuid}"
TEST!="dm", IMPORT{program}="/sbin/dmsetup info -j %M -m %m -c --nameprefixes --noheadings --rows -o name,uuid"

ENV{DM_NAME}="?*", NAME="$kernel", SYMLINK+="mapper/$env{DM_NAME}"

LABEL="dm_end"


12-lvm.rules
------------
SUBSYSTEM!="block", GOTO="lvm_end"
KERNEL!="dm-[0-9]*", GOTO="lvm_end"
ACTION!="change", GOTO="lvm_end"
ENV{DM_UUID}!="LVM-?*", GOTO="lvm_end"

IMPORT{program}="/sbin/dmsetup lvmsplit $env{DM_NAME} --nameprefixes --noheadings --rows"

ENV{DM_LV_NAME}="?*_mlog", GOTO="lvm_end"
ENV{DM_LV_NAME}="?*_mimage_[0-9]*", GOTO="lvm_end"

ENV{DM_VG_NAME}="?*", ENV{DM_LV_NAME}="?*", ENV{DM_LV_LAYER}!="?*", SYMLINK+="$env{DM_VG_NAME}/$env{DM_LV_NAME}"

LABEL="lvm_end"


95-dm-notify.rules
------------------
SUBSYSTEM!="block", GOTO="dm_end"
KERNEL!="dm-[0-9]*", GOTO="dm_end"
ACTION!="change|remove", GOTO="dm_end"

ENV{DM_COOKIE}="?*", RUN+="/sbin/dmsetup udevnotify $env{DM_COOKIE}"

LABEL="dm_end"


/etc/udev/rules.d
========11-dm-permissions.rules (I don't think this is a documentation or
a dead file, sorry :))
-----------------------------------------------------------------
SUBSYSTEM!="block", GOTO="dm_end"
KERNEL!="dm-[0-9]*", GOTO="dm_end"
ACTION!="change", GOTO="dm_end"

#ENV{DM_NAME}="my_device", OWNER:="peter", GROUP:="peter", MODE:="644"

# Default permissions
KERNEL="dm-[0-9]*", OWNER:="root", GROUP:="root", MODE:="600"

LABEL="dm_end"