{
  lib,
  kernelPackages ? null,
  mkXfsFlags ? "",
  ...
}:
{
  name = "lvm2-thinpool";
  meta.maintainers = with lib.maintainers; [
    das_j
    helsinki-Jo
  ];

  nodes.machine =
    { pkgs, lib, ... }:
    {
      virtualisation.emptyDiskImages = [ 4096 ];
      services.lvm = {
        boot.thin.enable = true;
        dmeventd.enable = true;
      };
      environment.systemPackages = with pkgs; [ xfsprogs ];
      environment.etc."lvm/lvm.conf".text = ''
        activation/thin_pool_autoextend_percent = 10
        activation/thin_pool_autoextend_threshold = 80
      '';
      boot = lib.mkIf (kernelPackages != null) { inherit kernelPackages; };
    };

  testScript =
    let
      mkXfsFlags =
        lib.optionalString (lib.versionOlder kernelPackages.kernel.version "5.10") " -m bigtime=0 -m inobtcount=0 "
        + lib.optionalString (lib.versionOlder kernelPackages.kernel.version "5.19") " -i nrext64=0 ";
    in
    ''
      machine.succeed("vgcreate test_vg /dev/vdb")
      machine.succeed("lvcreate -L 512M -T test_vg/test_thin_pool")
      machine.succeed("lvcreate -n test_lv -V 16G --thinpool test_thin_pool test_vg")
      machine.succeed("mkfs.xfs ${mkXfsFlags} /dev/test_vg/test_lv")
      machine.succeed("mkdir /mnt; mount /dev/test_vg/test_lv /mnt")
      assert "/dev/mapper/test_vg-test_lv" == machine.succeed("findmnt -no SOURCE /mnt").strip()
      machine.succeed("dd if=/dev/zero of=/mnt/empty.file bs=1M count=1024")
      machine.succeed("journalctl -u dm-event.service | grep \"successfully resized\"")
      machine.succeed("umount /mnt")
      machine.succeed("vgchange -a n")
    '';
}
