From 636a10cd9b9329dafc6e86bca8a96ccc478c9d45 Mon Sep 17 00:00:00 2001
From: Nick Cao <nickcao@nichi.co>
Date: Sat, 2 May 2026 08:43:20 -0400
Subject: [PATCH] nixos/nbd: do not daemonize the main process

Since https://github.com/NetworkBlockDevice/nbd/commit/da5e07c057abbee8cc4d2beef03952c7a44fd9eb,
nbd-server now double forks when daemonize, breaking systemd process tracking.
---
 nixos/modules/services/networking/nbd.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/nixos/modules/services/networking/nbd.nix b/nixos/modules/services/networking/nbd.nix
index 457c423aa89b..054f265f1bbd 100644
--- a/nixos/modules/services/networking/nbd.nix
+++ b/nixos/modules/services/networking/nbd.nix
@@ -153,8 +153,8 @@ in
       before = [ "multi-user.target" ];
       wantedBy = [ "multi-user.target" ];
       serviceConfig = {
-        ExecStart = "${pkgs.nbd}/bin/nbd-server -C ${serverConfig}";
-        Type = "forking";
+        ExecStart = "${pkgs.nbd}/bin/nbd-server -n -C ${serverConfig}";
+        Type = "simple";
 
         DeviceAllow = map (path: "${path} rw") allowedDevices;
         BindPaths = boundPaths;