9 files changed, 32 insertions, 9 deletions
diff --git a/nixpkgs/nixos/modules/tasks/filesystems/btrfs.nix b/nixpkgs/nixos/modules/tasks/filesystems/btrfs.nix
index 82fdd6058710..87fe326c0974 100644
--- a/nixpkgs/nixos/modules/tasks/filesystems/btrfs.nix
+++ b/nixpkgs/nixos/modules/tasks/filesystems/btrfs.nix
@@ -52,34 +52,37 @@ in
   config = mkMerge [
     (mkIf enableBtrfs {
       system.fsPackages = [ pkgs.btrfs-progs ];
+    })
 
-      boot.initrd.kernelModules = mkIf inInitrd [ "btrfs" ];
-      boot.initrd.availableKernelModules = mkIf inInitrd (
+    (mkIf inInitrd {
+      boot.initrd.kernelModules = [ "btrfs" ];
+      boot.initrd.availableKernelModules =
         [ "crc32c" ]
         ++ optionals (config.boot.kernelPackages.kernel.kernelAtLeast "5.5") [
           # Needed for mounting filesystems with new checksums
           "xxhash_generic"
           "blake2b_generic"
           "sha256_generic" # Should be baked into our kernel, just to be sure
-        ]
-      );
+        ];
 
-      boot.initrd.extraUtilsCommands = mkIf (inInitrd && !config.boot.initrd.systemd.enable)
+      boot.initrd.extraUtilsCommands = mkIf (!config.boot.initrd.systemd.enable)
       ''
         copy_bin_and_libs ${pkgs.btrfs-progs}/bin/btrfs
         ln -sv btrfs $out/bin/btrfsck
         ln -sv btrfsck $out/bin/fsck.btrfs
       '';
 
-      boot.initrd.extraUtilsCommandsTest = mkIf (inInitrd && !config.boot.initrd.systemd.enable)
+      boot.initrd.extraUtilsCommandsTest = mkIf (!config.boot.initrd.systemd.enable)
       ''
         $out/bin/btrfs --version
       '';
 
-      boot.initrd.postDeviceCommands = mkIf (inInitrd && !config.boot.initrd.systemd.enable)
+      boot.initrd.postDeviceCommands = mkIf (!config.boot.initrd.systemd.enable)
       ''
         btrfs device scan
       '';
+
+      boot.initrd.systemd.initrdBin = [ pkgs.btrfs-progs ];
     })
 
     (mkIf enableAutoScrub {
diff --git a/nixpkgs/nixos/modules/tasks/filesystems/cifs.nix b/nixpkgs/nixos/modules/tasks/filesystems/cifs.nix
index 0de292a69208..837b9e19bfb9 100644
--- a/nixpkgs/nixos/modules/tasks/filesystems/cifs.nix
+++ b/nixpkgs/nixos/modules/tasks/filesystems/cifs.nix
@@ -21,5 +21,7 @@ in
         copy_bin_and_libs ${pkgs.cifs-utils}/sbin/mount.cifs
       '';
 
+    boot.initrd.systemd.extraBin."mount.cifs" = mkIf inInitrd "${pkgs.cifs-utils}/sbin/mount.cifs";
+
   };
 }
diff --git a/nixpkgs/nixos/modules/tasks/filesystems/ext.nix b/nixpkgs/nixos/modules/tasks/filesystems/ext.nix
index edc0efc55213..1c34ee2c7035 100644
--- a/nixpkgs/nixos/modules/tasks/filesystems/ext.nix
+++ b/nixpkgs/nixos/modules/tasks/filesystems/ext.nix
@@ -25,5 +25,7 @@ in
         ln -sv e2fsck $out/bin/fsck.ext4
       '';
 
+    boot.initrd.systemd.initrdBin = lib.mkIf inInitrd [ pkgs.e2fsprogs ];
+
   };
 }
diff --git a/nixpkgs/nixos/modules/tasks/filesystems/f2fs.nix b/nixpkgs/nixos/modules/tasks/filesystems/f2fs.nix
index 035784f43df8..4f99f9a57fa6 100644
--- a/nixpkgs/nixos/modules/tasks/filesystems/f2fs.nix
+++ b/nixpkgs/nixos/modules/tasks/filesystems/f2fs.nix
@@ -16,5 +16,7 @@ in
     boot.initrd.extraUtilsCommands = mkIf (inInitrd && !config.boot.initrd.systemd.enable) ''
       copy_bin_and_libs ${pkgs.f2fs-tools}/sbin/fsck.f2fs
     '';
+
+    boot.initrd.systemd.initrdBin = mkIf inInitrd [ pkgs.f2fs-tools ];
   };
 }
diff --git a/nixpkgs/nixos/modules/tasks/filesystems/jfs.nix b/nixpkgs/nixos/modules/tasks/filesystems/jfs.nix
index 6d80c4c657da..b5132b4caa33 100644
--- a/nixpkgs/nixos/modules/tasks/filesystems/jfs.nix
+++ b/nixpkgs/nixos/modules/tasks/filesystems/jfs.nix
@@ -15,5 +15,7 @@ in
     boot.initrd.extraUtilsCommands = mkIf (inInitrd && !config.boot.initrd.systemd.enable) ''
       copy_bin_and_libs ${pkgs.jfsutils}/sbin/fsck.jfs
     '';
+
+    boot.initrd.systemd.initrdBin = mkIf inInitrd [ pkgs.jfsutils ];
   };
 }
diff --git a/nixpkgs/nixos/modules/tasks/filesystems/reiserfs.nix b/nixpkgs/nixos/modules/tasks/filesystems/reiserfs.nix
index 7b017a83db84..3c6a0f0cd917 100644
--- a/nixpkgs/nixos/modules/tasks/filesystems/reiserfs.nix
+++ b/nixpkgs/nixos/modules/tasks/filesystems/reiserfs.nix
@@ -21,5 +21,7 @@ in
         ln -s reiserfsck $out/bin/fsck.reiserfs
       '';
 
+    boot.initrd.systemd.initrdBin = mkIf inInitrd [ pkgs.reiserfsprogs ];
+
   };
 }
diff --git a/nixpkgs/nixos/modules/tasks/filesystems/vfat.nix b/nixpkgs/nixos/modules/tasks/filesystems/vfat.nix
index 5421b617b43b..e535e97759b2 100644
--- a/nixpkgs/nixos/modules/tasks/filesystems/vfat.nix
+++ b/nixpkgs/nixos/modules/tasks/filesystems/vfat.nix
@@ -21,5 +21,7 @@ in
         ln -sv dosfsck $out/bin/fsck.vfat
       '';
 
+    boot.initrd.systemd.extraBin = mkIf inInitrd [ pkgs.dosfstools ];
+
   };
 }
diff --git a/nixpkgs/nixos/modules/tasks/filesystems/xfs.nix b/nixpkgs/nixos/modules/tasks/filesystems/xfs.nix
index f81f58646551..76f31e660ad3 100644
--- a/nixpkgs/nixos/modules/tasks/filesystems/xfs.nix
+++ b/nixpkgs/nixos/modules/tasks/filesystems/xfs.nix
@@ -26,5 +26,7 @@ in
       ''
         sed -i -e 's,^#!.*,#!'$out/bin/sh, $out/bin/fsck.xfs
       '';
+
+    boot.initrd.systemd.initrdBin = mkIf inInitrd [ pkgs.xfsprogs.bin ];
   };
 }
diff --git a/nixpkgs/nixos/modules/tasks/filesystems/zfs.nix b/nixpkgs/nixos/modules/tasks/filesystems/zfs.nix
index 5cf863c87f27..082634ec9d01 100644
--- a/nixpkgs/nixos/modules/tasks/filesystems/zfs.nix
+++ b/nixpkgs/nixos/modules/tasks/filesystems/zfs.nix
@@ -90,12 +90,17 @@ let
 
   getPoolMounts = prefix: pool:
     let
+      poolFSes = getPoolFilesystems pool;
+
       # Remove the "/" suffix because even though most mountpoints
       # won't have it, the "/" mountpoint will, and we can't have the
       # trailing slash in "/sysroot/" in stage 1.
       mountPoint = fs: escapeSystemdPath (prefix + (lib.removeSuffix "/" fs.mountPoint));
+
+      hasUsr = lib.any (fs: fs.mountPoint == "/usr") poolFSes;
     in
-      map (x: "${mountPoint x}.mount") (getPoolFilesystems pool);
+      map (x: "${mountPoint x}.mount") poolFSes
+      ++ lib.optional hasUsr "sysusr-usr.mount";
 
   getKeyLocations = pool: if isBool cfgZfs.requestEncryptionCredentials then {
     hasKeys = cfgZfs.requestEncryptionCredentials;
@@ -632,7 +637,8 @@ in
           targets.zfs-import.wantedBy = [ "zfs.target" ];
           targets.zfs.wantedBy = [ "initrd.target" ];
           extraBin = {
-            # zpool and zfs are already in thanks to fsPackages
+            zpool = "${cfgZfs.package}/sbin/zpool";
+            zfs = "${cfgZfs.package}/sbin/zfs";
             awk = "${pkgs.gawk}/bin/awk";
           };
         };