linuxPackages.nullfsvfs: 0.22 -> 0.26, rename from nullfs

ZHF #503391
Failing Hydra build: https://hydra.nixos.org/build/328802230

Changes:
* https://github.com/abbbi/nullfsvfs/releases/tag/v0.26
* https://github.com/abbbi/nullfsvfs/releases/tag/v0.25
* https://github.com/abbbi/nullfsvfs/releases/tag/v0.24
* https://github.com/abbbi/nullfsvfs/releases/tag/v0.23

pkgs/os-specific/linux/nullfsvfs/default.nix

@@ -6,14 +6,14 @@
   kernelModuleMakeFlags,
 }:
 stdenv.mkDerivation rec {
-  pname = "nullfs";
-  version = "0.22";
+  pname = "nullfsvfs";
+  version = "0.26";
 
   src = fetchFromGitHub {
     owner = "abbbi";
     repo = "nullfsvfs";
     rev = "v${version}";
-    sha256 = "sha256-UJubWx5QfzLAiYTN1BPaziT3gKsTI0OVCmcuwKX3Gp0=";
+    sha256 = "sha256-gEvkl8IKekuiQjY+TVaC72vJ310k2A/kXfR5mxdvPpc=";
   };
 
   hardeningDisable = [ "pic" ];
@@ -33,8 +33,8 @@ stdenv.mkDerivation rec {
 
   installPhase = ''
     runHook preInstall
-    mkdir -p "$out/lib/modules/${kernel.modDirVersion}/kernel/fs/nullfs/"
-    install -p -m 644 nullfs.ko $out/lib/modules/${kernel.modDirVersion}/kernel/fs/nullfs/
+    mkdir -p "$out/lib/modules/${kernel.modDirVersion}/kernel/fs/nullfsvfs/"
+    install -p -m 644 nullfsvfs.ko $out/lib/modules/${kernel.modDirVersion}/kernel/fs/nullfsvfs/
     runHook postInstall
   '';
 

pkgs/top-level/linux-kernels.nix

@@ -621,7 +621,7 @@ in
 
         drbd = callPackage ../os-specific/linux/drbd/driver.nix { };
 
-        nullfs = callPackage ../os-specific/linux/nullfs { };
+        nullfsvfs = callPackage ../os-specific/linux/nullfsvfs { };
 
         msi-ec = callPackage ../os-specific/linux/msi-ec { };
 
@@ -647,6 +647,7 @@ in
         system76-power = lib.warnOnInstantiate "kernelPackages.system76-power is now pkgs.system76-power" pkgs.system76-power; # Added 2024-10-16
         system76-scheduler = lib.warnOnInstantiate "kernelPackages.system76-scheduler is now pkgs.system76-scheduler" pkgs.system76-scheduler; # Added 2024-10-16
         tuxedo-keyboard = self.tuxedo-drivers; # Added 2024-09-28
+        nullfs = self.nullfsvfs; # Added 2026-05-16
         phc-intel = throw "phc-intel drivers are no longer supported by any kernel >=4.17"; # added 2025-07-18
         prl-tools = throw "Parallel Tools no longer provide any kernel module, please use pkgs.prl-tools instead."; # added 2025-10-04
         nvidia_dc_565 = throw "nvidiaPackages.dc_565 has reached end of life, see https://endoflife.date/nvidia"; # added 2026-02-10