From c9c76d88cbccc85a69f82d79c0e18bb10d541c1a Mon Sep 17 00:00:00 2001
From: LavaDesu <me@lava.moe>
Date: Wed, 21 Jul 2021 22:12:11 +0700
Subject: [PATCH] fstab changes

set defaults for btrfs mounts
set relatime for normal mounts
set noatime for some btrfs mounts (like /nix which i _never_ need to
know when something was accessed)
---
 modules/system/filesystem-winter.nix | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/modules/system/filesystem-winter.nix b/modules/system/filesystem-winter.nix
index 4a365eb..1dc981b 100644
--- a/modules/system/filesystem-winter.nix
+++ b/modules/system/filesystem-winter.nix
@@ -3,9 +3,10 @@ let
   mkMount = uuid: type: {
     device = "/dev/disk/by-uuid/${uuid}";
     fsType = type;
+    options = [ "defaults" "relatime" ];
   };
-  mkBtrfsMount = subvolid: mkMount "8f0ba28e-5dff-4a4e-8db0-aa72cc90cb5d" "btrfs" // {
-    options = [ "autodefrag" "compress=zstd:3" "nossd" "nossd_spread" "relatime" "subvolid=${builtins.toString subvolid}" ];
+  mkBtrfsMount = subvolid: atime: mkMount "8f0ba28e-5dff-4a4e-8db0-aa72cc90cb5d" "btrfs" // {
+    options = [ "autodefrag" "compress=zstd:3" "defaults" "nossd" "nossd_spread" "subvolid=${builtins.toString subvolid}" (if atime then "relatime" else "noatime")];
   };
 in
 {
@@ -18,11 +19,11 @@ in
     "/boot" = mkMount "E8E8-E570" "vfat";
     "/mnt/hdd" = mkMount "d5e3cfe5-c73a-4695-b81b-fc0215d4cefe" "ext4";
 
-    "/mnt/butter" = mkBtrfsMount 5;
-    "/nix" = mkBtrfsMount 258;
-    "/home" = mkBtrfsMount 260;
-    "/home/.snapshots" = mkBtrfsMount 319;
-    "/root" = mkBtrfsMount 261;
-    "/var" = mkBtrfsMount 259;
+    "/mnt/butter" = mkBtrfsMount 5 true;
+    "/nix" = mkBtrfsMount 258 false;
+    "/home" = mkBtrfsMount 260 true;
+    "/home/.snapshots" = mkBtrfsMount 319 false;
+    "/root" = mkBtrfsMount 261 false;
+    "/var" = mkBtrfsMount 259 false;
   };
 }