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#!/usr/bin/bash
# called by dracut
check() {
# No point trying to support lvm if the binaries are missing
require_binaries lvm grep || return 1
[[ $hostonly ]] || [[ $mount_needs ]] && {
for fs in "${host_fs_types[@]}"; do
[[ $fs == LVM*_member ]] && return 0
done
return 255
}
return 0
}
# called by dracut
depends() {
# We depend on dm_mod being loaded
echo rootfs-block dm
return 0
}
# called by dracut
cmdline() {
local _activated
declare -A _activated
for dev in "${!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 ! [[ ${_activated[DM_VG_NAME / DM_LV_NAME]} ]]; then
printf " rd.lvm.lv=%s " "${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() {
inst_multiple lvm grep
if [[ $hostonly_cmdline == "yes" ]]; then
local _lvmconf
_lvmconf=$(cmdline)
[[ $_lvmconf ]] && printf "%s\n" "$_lvmconf" >> "${initdir}/etc/cmdline.d/90lvm.conf"
fi
inst_rules "$moddir/64-lvm.rules"
if [[ $hostonly ]] || [[ $lvmconf == "yes" ]]; then
if [[ -f $dracutsysrootdir/etc/lvm/lvm.conf ]]; then
inst_simple -H /etc/lvm/lvm.conf
fi
export LVM_SUPPRESS_FD_WARNINGS=1
# Also install any files needed for LVM system id support.
if [[ -f $dracutsysrootdir/etc/lvm/lvmlocal.conf ]]; then
inst_simple -H /etc/lvm/lvmlocal.conf
fi
eval "$(lvm dumpconfig global/system_id_source &> /dev/null)"
if [ "$system_id_source" == "file" ]; then
eval "$(lvm dumpconfig global/system_id_file)"
if [ -f "$system_id_file" ]; then
inst_simple -H "$system_id_file"
fi
fi
unset LVM_SUPPRESS_FD_WARNINGS
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
# 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 [[ $hostonly ]] && find_binary lvs &> /dev/null; then
for dev in "${!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)"
# shellcheck disable=SC2015
[[ ${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
dracut_need_initqueue
}