#!/bin/bash
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
check() {
# No point trying to support lvm if the binaries are missing
require_binaries lvm || return 1
[[ $hostonly ]] || [[ $mount_needs ]] && {
for fs in "${host_fs_types[@]}"; do
[[ $fs = LVM*_member ]] && return 0
done
return 255
}
return 0
}
depends() {
# We depend on dm_mod being loaded
echo rootfs-block dm
return 0
}
# called by dracut
cmdline() {
local _activated
declare -A _activated
for dev in "${!host_fs_types[@]}"; do
[ -e /sys/block/${dev#/dev/}/dm/name ] || continue
[ -e /sys/block/${dev#/dev/}/dm/uuid ] || continue
uuid=$(</sys/block/${dev#/dev/}/dm/uuid)
[[ "${uuid#LVM-}" == "$uuid" ]] && continue
dev=$(</sys/block/${dev#/dev/}/dm/name)
eval $(dmsetup splitname --nameprefixes --noheadings --rows "$dev" 2>/dev/null)
[[ ${DM_VG_NAME} ]] && [[ ${DM_LV_NAME} ]] || return 1
if ! [[ ${_activated[${DM_VG_NAME}/${DM_LV_NAME}]} ]]; then
printf " rd.lvm.lv=%s\n" "${DM_VG_NAME}/${DM_LV_NAME} "
_activated["${DM_VG_NAME}/${DM_LV_NAME}"]=1
fi
done
}
installkernel() {
hostonly='' instmods dm-snapshot
}
# called by dracut
install() {
local _i
inst lvm
if [[ $hostonly_cmdline == "yes" ]]; then
cmdline >> "${initdir}/etc/cmdline.d/90lvm.conf"
echo >> "${initdir}/etc/cmdline.d/90lvm.conf"
fi
inst_rules "$moddir/64-lvm.rules"
if [[ $hostonly ]] || [[ $lvmconf = "yes" ]]; then
for f in /etc/lvm/lvm.conf /etc/lvm/lvm_*.conf; do
[ -e "$f" ] || continue
inst_simple "$f"
if [ -f "${initdir}/$f" ]; then
# 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/' "${initdir}/$f"
sed -i -e 's/\(^[[:space:]]*\)use_lvmetad[[:space:]]*=[[:space:]]*[[:digit:]]/\1use_lvmetad = 0/' "${initdir}/$f"
fi
done
fi
if ! [[ -e ${initdir}/etc/lvm/lvm.conf ]]; then
mkdir -p "${initdir}/etc/lvm"
{
echo 'global {'
echo 'locking_type = 4'
echo 'use_lvmetad = 0'
echo '}'
} > "${initdir}/etc/lvm/lvm.conf"
fi
inst_rules 11-dm-lvm.rules 69-dm-lvm-metad.rules
# Do not run lvmetad update via pvscan in udev rule - lvmetad is not running yet in dracut!
if [[ -f ${initdir}/lib/udev/rules.d/69-dm-lvm-metad.rules ]]; then
if grep -q SYSTEMD_WANTS ${initdir}/lib/udev/rules.d/69-dm-lvm-metad.rules; then
sed -i -e 's/^ENV{SYSTEMD_ALIAS}=.*/# No LVM pvscan in dracut - lvmetad is not running yet/' \
${initdir}/lib/udev/rules.d/69-dm-lvm-metad.rules
sed -i -e 's/^ENV{ID_MODEL}=.*//' ${initdir}/lib/udev/rules.d/69-dm-lvm-metad.rules
sed -i -e 's/^ENV{SYSTEMD_WANTS}=.*//' ${initdir}/lib/udev/rules.d/69-dm-lvm-metad.rules
else
sed -i -e 's/.*lvm pvscan.*/# No LVM pvscan for in dracut - lvmetad is not running yet/' \
${initdir}/lib/udev/rules.d/69-dm-lvm-metad.rules
fi
fi
# Gentoo ebuild for LVM2 prior to 2.02.63-r1 doesn't install above rules
# files, but provides the one below:
inst_rules 64-device-mapper.rules
# debian udev rules
inst_rules 56-lvm.rules 60-persistent-storage-lvm.rules
inst_script "$moddir/lvm_scan.sh" /sbin/lvm_scan
inst_hook cmdline 30 "$moddir/parse-lvm.sh"
inst_libdir_file "libdevmapper-event-lvm*.so"
if [[ $hostonly ]] && type -P lvs &>/dev/null; then
for dev in "${!host_fs_types[@]}"; do
[ -e /sys/block/${dev#/dev/}/dm/name ] || continue
dev=$(</sys/block/${dev#/dev/}/dm/name)
eval $(dmsetup splitname --nameprefixes --noheadings --rows "$dev" 2>/dev/null)
[[ ${DM_VG_NAME} ]] && [[ ${DM_LV_NAME} ]] || continue
case "$(lvs --noheadings -o segtype ${DM_VG_NAME} 2>/dev/null)" in
*thin*|*cache*|*era*)
inst_multiple -o thin_dump thin_restore thin_check thin_repair \
cache_dump cache_restore cache_check cache_repair \
era_check era_dump era_invalidate era_restore
break;;
esac
done
fi
if ! [[ $hostonly ]]; then
inst_multiple -o thin_dump thin_restore thin_check thin_repair \
cache_dump cache_restore cache_check cache_repair \
era_check era_dump era_invalidate era_restore
fi
}