晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 sh-3ll

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sh-3ll 1.0
DIR:/proc/self/root/lib/dracut/modules.d/99fs-lib/
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Current File : //proc/self/root/lib/dracut/modules.d/99fs-lib/module-setup.sh
#!/usr/bin/bash

# called by dracut
check() {
    return 0
}

# called by dracut
depends() {
    return 0
}

echo_fs_helper() {
    local fs=$2
    case "$fs" in
        xfs)
            echo -n " xfs_db xfs_repair xfs_check xfs_metadump "
            ;;
        ext?)
            echo -n " e2fsck "
            ;;
        jfs)
            echo -n " jfs_fsck "
            ;;
        reiserfs)
            echo -n " reiserfsck "
            ;;
        btrfs)
            echo -n " btrfsck "
            ;;
    esac

    echo -n " fsck.$fs "
    return 0
}

include_fs_helper_modules() {
    local fs=$2
    case "$fs" in
        xfs | btrfs | ext4 | ext3)
            instmods crc32c
            ;;
        f2fs)
            instmods crc32
            ;;
    esac
}

# called by dracut
installkernel() {
    # xfs/btrfs/ext4 need crc32c, f2fs needs crc32
    if [[ $hostonly ]]; then
        for_each_host_dev_fs include_fs_helper_modules
        :
    else
        instmods crc32c crc32
    fi
}

# called by dracut
install() {
    local _helpers

    inst "$moddir/fs-lib.sh" "/lib/fs-lib.sh"
    : > "${initdir}"/etc/fstab.empty

    [[ $nofscks == "yes" ]] && return

    if [[ $fscks == "${fscks#*[^ ]*}" ]]; then
        _helpers=(
            /sbin/fsck* /usr/sbin/fsck*
            xfs_db xfs_check xfs_repair xfs_metadump
            e2fsck jfs_fsck reiserfsck btrfsck
        )
        if [[ $hostonly ]]; then
            read -r -a _helpers < <(for_each_host_dev_fs echo_fs_helper)
        fi
    else
        read -r -a _helpers <<< "$fscks"
    fi

    _helpers+=(umount mount)

    if [[ ${_helpers[*]} == *e2fsck* ]] && [[ -e $dracutsysrootdir/etc/e2fsck.conf ]]; then
        inst_simple /etc/e2fsck.conf
    fi

    inst_multiple -o "${_helpers[@]}" fsck
}