Unverified Commit 2850c836 authored by Aleksana's avatar Aleksana Committed by GitHub
Browse files

nixos/qemu-vm: Allow 9p cache to be configured (#463542)

parents 3c67c90f e6cd363c

nixos/modules/virtualisation/qemu-vm.nix

+18 −1
Original line number Diff line number Diff line
@@ -917,6 +917,23 @@ in 
      '';

    };



    virtualisation.nixStore9pCache = mkOption {

      type = types.enum [

        "loose"

        "none"

        "fscache"

      ];

      default = "loose";

      description = ''

        Type of 9p cache to use when mounting host nix store. "none" provides

        no caching. "loose" enables Linux's local VFS cache. "fscache" uses Linux's

        fscache subsystem.



        This option is only respected when {option}`virtualisation.mountHostNixStore`

        is enabled.

      '';

    };



    virtualisation.directBoot = {

      enable = mkOption {

        type = types.bool;
@@ -1369,7 +1386,7 @@ in 
            "msize=${toString cfg.msize}"

            "x-systemd.requires=modprobe@9pnet_virtio.service"

          ]

          ++ lib.optional (tag == "nix-store") "cache=loose";

          ++ lib.optional (tag == "nix-store") "cache=${cfg.nixStore9pCache}";

        };

      in

      lib.mkMerge [