1 files changed, 117 insertions, 0 deletions
diff --git a/modules.d/90lvm/module-setup.sh b/modules.d/90lvm/module-setup.sh
new file mode 100755
index 0000000..7ba4c69
--- /dev/null
+++ b/modules.d/90lvm/module-setup.sh
@@ -0,0 +1,117 @@
+#!/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='' dracut_instmods -o -P ".*/(bcache/|md-cluster).*" "=drivers/md"
+}
+
+# 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"
+
+    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
+}