You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

61 lines
1.8 KiB

#!/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
type -P lvm >/dev/null || return 1
. $dracutfunctions
[[ $debug ]] && set -x
is_lvm() { [[ $(get_fs_type /dev/block/$1) = LVM2_member ]]; }
[[ $hostonly ]] && {
rootdev=$(find_root_block_device)
if [[ $rootdev ]]; then
# root lives on a block device, so we can be more precise about
# hostonly checking
check_block_and_slaves is_lvm "$rootdev" || return 1
else
# root is not on a block device, use the shotgun approach
blkid | grep -q LVM2_member || return 1
fi
}
return 0
}
depends() {
# We depend on dm_mod being loaded
echo rootfs-block dm
return 0
}
install() {
inst lvm
inst_rules "$moddir/64-lvm.rules"
if [[ $hostonly ]] || [[ $lvmconf = "yes" ]]; then
if [ -f /etc/lvm/lvm.conf ]; then
inst /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/' ${initdir}/etc/lvm/lvm.conf
fi
fi
inst_rules 10-dm.rules 13-dm-disk.rules 95-dm-notify.rules 11-dm-lvm.rules
# Gentoo ebuild for LVM2 prior to 2.02.63-r1 doesn't install above rules
# files, but provides the one below:
inst_rules 64-device-mapper.rules
inst "$moddir/lvm_scan.sh" /sbin/lvm_scan
inst_hook cmdline 30 "$moddir/parse-lvm.sh"
for i in {"$libdir","$usrlibdir"}/libdevmapper-event-lvm*.so; do
[ -e "$i" ] && dracut_install "$i"
done
}