#!/bin/sh

PREREQ="mdadm mdrun multipath"

prereqs()
{
	echo "$PREREQ"
}

case $1 in
# get pre-requisites
prereqs)
	prereqs
	exit 0
	;;
esac

if [ ! -e /sbin/lvm ]; then
	exit 0
fi

dev="$1"

# Make sure that we have a d-m path
dev="${dev#/dev/mapper/}"
if [ "$dev" = "$1" ]; then
	return 1
fi

eval $(dmsetup splitname --nameprefixes --noheadings --rows "$dev")

if [ "$DM_VG_NAME" ] && [ "$DM_LV_NAME" ]; then
	lvm lvchange -aly --ignorelockingfailure "$DM_VG_NAME/$DM_LV_NAME"
	rc=$?
	if [ $rc = 5 ]; then
		echo "Unable to find LVM volume $DM_VG_NAME/$DM_LV_NAME"
	fi
fi

exit 0
