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80-btrfs.rules000064400000000416152726014060007171 0ustar00SUBSYSTEM!="block", GOTO="btrfs_end"
ACTION!="add|change", GOTO="btrfs_end"
ENV{ID_FS_TYPE}!="btrfs", GOTO="btrfs_end"
RUN+="/sbin/btrfs device scan $env{DEVNAME}"

RUN+="/sbin/initqueue --finished --unique --name btrfs_finished /sbin/btrfs_finished"

LABEL="btrfs_end"
btrfs_finished.sh000075500000001303152726014060010074 0ustar00#!/bin/sh
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh

type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh

btrfs_check_complete() {
    local _rootinfo _dev
    _dev="${1:-/dev/root}"
    [ -e "$_dev" ] || return 0
    _rootinfo=$(udevadm info --query=env "--name=$_dev" 2>/dev/null)
    if strstr "$_rootinfo" "ID_FS_TYPE=btrfs"; then
        info "Checking, if btrfs device complete"
        unset __btrfs_mount
        mount -o ro "$_dev" /tmp >/dev/null 2>&1
        __btrfs_mount=$?
        [ $__btrfs_mount -eq 0 ] && umount "$_dev" >/dev/null 2>&1
        return $__btrfs_mount
    fi
    return 0
}

btrfs_check_complete $1
exit $?
module-setup.sh000075500000002207152726014060007532 0ustar00#!/bin/bash
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh

check() {
    local _rootdev
    # if we don't have btrfs installed on the host system,
    # no point in trying to support it in the initramfs.
    require_binaries btrfs || return 1

    [[ $hostonly ]] || [[ $mount_needs ]] && {
        for fs in "${host_fs_types[@]}"; do
            [[ "$fs" == "btrfs" ]] && return 0
        done
        return 255
    }

    return 0
}

depends() {
    echo udev-rules
    return 0
}

installkernel() {
    instmods btrfs
}

install() {
    if ! inst_rules 64-btrfs.rules; then
        inst_rules "$moddir/80-btrfs.rules"
        case "$(btrfs --help)" in
            *device\ ready*)
                inst_script "$moddir/btrfs_device_ready.sh" /sbin/btrfs_finished ;;
            *)
                inst_script "$moddir/btrfs_finished.sh" /sbin/btrfs_finished ;;
        esac
    fi

    if ! dracut_module_included "systemd"; then
        inst_hook initqueue/timeout 10 "$moddir/btrfs_timeout.sh"
    fi

    inst_multiple -o btrfsck btrfs-zero-log
    inst $(command -v btrfs) /sbin/btrfs
}

btrfs_timeout.sh000075500000000374152726014060010000 0ustar00#!/bin/sh
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh

type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh

info "Scanning for all btrfs devices"
/sbin/btrfs device scan >/dev/null 2>&1
btrfs_device_ready.sh000075500000001101152726014060010722 0ustar00#!/bin/sh
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh

type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh

btrfs_check_complete() {
    local _rootinfo _dev
    _dev="${1:-/dev/root}"
    [ -e "$_dev" ] || return 0
    _rootinfo=$(udevadm info --query=env "--name=$_dev" 2>/dev/null)
    if strstr "$_rootinfo" "ID_FS_TYPE=btrfs"; then
        info "Checking, if btrfs device complete"
        btrfs device ready "$_dev" >/dev/null 2>&1
        return $?
    fi
    return 0
}

btrfs_check_complete $1
exit $?