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module-setup.sh 0000755 00000011412 15272575552 0007544 0 ustar 00 #!/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 ! [[ $hostonly ]]; then
inst_multiple -o thin_dump thin_restore thin_check thin_repair \
cache_dump cache_restore cache_check cache_repair \
era_check era_dump era_invalidate era_restore
fi
}
parse-lvm.sh 0000755 00000001124 15272575552 0007026 0 ustar 00 #!/bin/sh
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
if [ -e /etc/lvm/lvm.conf ] && ! getargbool 1 rd.lvm.conf -d -n rd_NO_LVMCONF; then
rm -f -- /etc/lvm/lvm.conf
fi
LV_DEVS="$(getargs rd.lvm.vg -d rd_LVM_VG=) $(getargs rd.lvm.lv -d rd_LVM_LV=)"
if ! getargbool 1 rd.lvm -d -n rd_NO_LVM \
|| ( [ -z "$LV_DEVS" ] && ! getargbool 0 rd.auto ); then
info "rd.lvm=0: removing LVM activation"
rm -f -- /etc/udev/rules.d/64-lvm*.rules
else
for dev in $LV_DEVS; do
wait_for_dev -n "/dev/$dev"
done
fi
lvm_scan.sh 0000755 00000007126 15272575552 0006732 0 ustar 00 #!/bin/sh
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
# run lvm scan if udev has settled
extraargs="$@"
type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
VGS=$(getargs rd.lvm.vg -d rd_LVM_VG=)
LVS=$(getargs rd.lvm.lv -d rd_LVM_LV=)
SNAPSHOT=$(getargs rd.lvm.snapshot -d rd_LVM_SNAPSHOT=)
SNAPSIZE=$(getargs rd.lvm.snapsize -d rd_LVM_SNAPSIZE=)
[ -d /etc/lvm ] || mkdir -m 0755 -p /etc/lvm
# build a list of devices to scan
lvmdevs=$(
for f in /tmp/.lvm_scan-*; do
[ -e "$f" ] || continue
printf '%s' "${f##/tmp/.lvm_scan-} "
done
)
if [ ! -e /etc/lvm/lvm.conf ]; then
{
echo 'devices {';
printf ' filter = [ '
for dev in $lvmdevs; do
printf '"a|^/dev/%s$|", ' $dev;
done;
echo '"r/.*/" ]';
echo '}';
# establish LVM locking
if [ -n $SNAPSHOT ]; then
echo 'global {';
echo ' locking_type = 1';
echo ' use_lvmetad = 0';
echo '}';
else
echo 'global {';
echo ' locking_type = 4';
echo ' use_lvmetad = 0';
echo '}';
fi
} > /etc/lvm/lvm.conf
lvmwritten=1
fi
check_lvm_ver() {
maj=$1
min=$2
ver=$3
# --poll is supported since 2.2.57
[ $4 -lt $maj ] && return 1
[ $4 -gt $maj ] && return 0
[ $5 -lt $min ] && return 1
[ $5 -gt $min ] && return 0
[ $6 -ge $ver ] && return 0
return 1
}
# hopefully this output format will never change, e.g.:
# LVM version: 2.02.53(1) (2009-09-25)
OLDIFS=$IFS
IFS=.
set $(lvm version 2>/dev/null)
IFS=$OLDIFS
maj=${1##*:}
min=$2
sub=${3%% *}
sub=${sub%%\(*};
check_lvm_ver 2 2 57 $maj $min $sub && \
nopoll="--poll n"
if check_lvm_ver 2 2 65 $maj $min $sub; then
sysinit=" --sysinit $extraargs"
fi
unset extraargs
export LVM_SUPPRESS_LOCKING_FAILURE_MESSAGES=1
if [ -n "$SNAPSHOT" ] ; then
# HACK - this should probably be done elsewhere or turned into a function
# Enable read-write LVM locking
sed -i -e 's/\(^[[:space:]]*\)locking_type[[:space:]]*=[[:space:]]*[[:digit:]]/\1locking_type = 1/' ${initdir}/etc/lvm/lvm.conf
# Expected SNAPSHOT format "<orig lv name>:<snap lv name>"
ORIG_LV=${SNAPSHOT%%:*}
SNAP_LV=${SNAPSHOT##*:}
info "Removing existing LVM snapshot $SNAP_LV"
lvm lvremove --force $SNAP_LV 2>&1| vinfo
# Determine snapshot size
if [ -z "$SNAPSIZE" ] ; then
SNAPSIZE=$(lvm lvs --noheadings --units m --options lv_size $ORIG_LV)
info "No LVM snapshot size provided, using size of $ORIG_LV ($SNAPSIZE)"
fi
info "Creating LVM snapshot $SNAP_LV ($SNAPSIZE)"
lvm lvcreate -s -n $SNAP_LV -L $SNAPSIZE $ORIG_LV 2>&1| vinfo
fi
if [ -n "$LVS" ] ; then
info "Scanning devices $lvmdevs for LVM logical volumes $LVS"
lvm lvscan --ignorelockingfailure 2>&1 | vinfo
for LV in $LVS; do
if [ -z "$sysinit" ]; then
lvm lvchange --yes -K -ay --ignorelockingfailure $nopoll --ignoremonitoring $LV 2>&1 | vinfo
else
lvm lvchange --yes -K -ay $sysinit $LV 2>&1 | vinfo
fi
done
fi
if [ -z "$LVS" -o -n "$VGS" ]; then
info "Scanning devices $lvmdevs for LVM volume groups $VGS"
lvm vgscan --ignorelockingfailure 2>&1 | vinfo
if [ -z "$sysinit" ]; then
lvm vgchange -ay --ignorelockingfailure $nopoll --ignoremonitoring $VGS 2>&1 | vinfo
else
lvm vgchange -ay $sysinit $VGS 2>&1 | vinfo
fi
fi
if [ "$lvmwritten" ]; then
rm -f -- /etc/lvm/lvm.conf
fi
unset lvmwritten
udevadm settle
need_shutdown
64-lvm.rules 0000644 00000001410 15272575552 0006660 0 ustar 00 # hacky rules to try to activate lvm when we get new block devs...
#
# Copyright 2008, Red Hat, Inc.
# Jeremy Katz <katzj@redhat.com>
SUBSYSTEM!="block", GOTO="lvm_end"
ACTION!="add|change", GOTO="lvm_end"
# Also don't process disks that are slated to be a multipath device
ENV{DM_MULTIPATH_DEVICE_PATH}=="?*", GOTO="lvm_end"
KERNEL=="dm-[0-9]*", ACTION=="add", GOTO="lvm_end"
ENV{ID_FS_TYPE}!="LVM?_member", GOTO="lvm_end"
PROGRAM=="/bin/sh -c 'for i in $sys/$devpath/holders/dm-[0-9]*; do [ -e $$i ] && exit 0; done; exit 1;' ", \
GOTO="lvm_end"
RUN+="/sbin/initqueue --settled --onetime --unique /sbin/lvm_scan"
RUN+="/sbin/initqueue --timeout --name 51-lvm_scan --onetime --unique /sbin/lvm_scan --partial"
RUN+="/bin/sh -c '>/tmp/.lvm_scan-%k;'"
LABEL="lvm_end"