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#!/bin/bash
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
check() {
local _rootdev _activated
# No point trying to support lvm if the binaries are missing
type -P lvm >/dev/null || return 1
[[ $hostonly ]] || [[ $mount_needs ]] && {
for fs in "${host_fs_types[@]}"; do
[[ $fs = LVM*_member ]] && return 0
done
return 255
}
return 0
}
depends() {
# We depend on dm_mod being loaded
echo rootfs-block dm
return 0
}
install() {
local _i
inst lvm
check_lvm() {
local DM_VG_NAME DM_LV_NAME DM_UDEV_DISABLE_DISK_RULES_FLAG
eval $(udevadm info --query=property --name=$1 | egrep '(DM_VG_NAME|DM_LV_NAME|DM_UDEV_DISABLE_DISK_RULES_FLAG)=')
[[ "$DM_UDEV_DISABLE_DISK_RULES_FLAG" = "1" ]] && return 1
[[ ${DM_VG_NAME} ]] && [[ ${DM_LV_NAME} ]] || return 1
if ! strstr " ${_activated[*]} " " ${DM_VG_NAME}/${DM_LV_NAME} "; then
if ! [[ $kernel_only ]]; then
echo " rd.lvm.lv=${DM_VG_NAME}/${DM_LV_NAME} " >> "${initdir}/etc/cmdline.d/90lvm.conf"
fi
push _activated "${DM_VG_NAME}/${DM_LV_NAME}"
fi
return 0
}
for_each_host_dev_fs check_lvm
inst_rules "$moddir/64-lvm.rules"
if [[ $hostonly ]] || [[ $lvmconf = "yes" ]]; then
if [ -f /etc/lvm/lvm.conf ]; then
inst_simple /etc/lvm/lvm.conf
# FIXME: near-term hack to establish read-only locking;
# use command-line lvm.conf editor once it is available
sed -i -e 's/\(^[[:space:]]*\)locking_type[[:space:]]*=[[:space:]]*[[:digit:]]/\1locking_type = 4/' ${initdir}/etc/lvm/lvm.conf
sed -i -e 's/\(^[[:space:]]*\)use_lvmetad[[:space:]]*=[[:space:]]*[[:digit:]]/\1use_lvmetad = 0/' ${initdir}/etc/lvm/lvm.conf
fi
fi
inst_rules 11-dm-lvm.rules
# Gentoo ebuild for LVM2 prior to 2.02.63-r1 doesn't install above rules
# files, but provides the one below:
inst_rules 64-device-mapper.rules
inst_script "$moddir/lvm_scan.sh" /sbin/lvm_scan
inst_hook cmdline 30 "$moddir/parse-lvm.sh"
inst_libdir_file "libdevmapper-event-lvm*.so"
}