1 files changed, 19 insertions, 0 deletions
diff --git a/nixos/modules/tasks/filesystems/jfs.nix b/nixos/modules/tasks/filesystems/jfs.nix
new file mode 100644
index 00000000000..fc3905c7dc2
--- /dev/null
+++ b/nixos/modules/tasks/filesystems/jfs.nix
@@ -0,0 +1,19 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  inInitrd = any (fs: fs == "jfs") config.boot.initrd.supportedFilesystems;
+in
+{
+  config = mkIf (any (fs: fs == "jfs") config.boot.supportedFilesystems) {
+
+    system.fsPackages = [ pkgs.jfsutils ];
+
+    boot.initrd.kernelModules = mkIf inInitrd [ "jfs" ];
+
+    boot.initrd.extraUtilsCommands = mkIf inInitrd ''
+      copy_bin_and_libs ${pkgs.jfsutils}/sbin/fsck.jfs
+    '';
+  };
+}