From 3a549758583bb3dc5d4c980c628d583960ed4509 Mon Sep 17 00:00:00 2001
From: John Ogle <john@ogle.fyi>
Date: Tue, 29 Jul 2025 11:51:38 -0700
Subject: [PATCH] [nix-book] Update file system type to btrfs

---
 machines/nix-book/hardware-configuration.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/machines/nix-book/hardware-configuration.nix b/machines/nix-book/hardware-configuration.nix
index b23fb94..3be2f73 100644
--- a/machines/nix-book/hardware-configuration.nix
+++ b/machines/nix-book/hardware-configuration.nix
@@ -15,7 +15,11 @@
 
   fileSystems."/" =
     { device = "/dev/disk/by-uuid/bd396529-e2c4-47cb-b844-8d6ed841f81a";
-      fsType = "ext4";
+      fsType = "btrfs";
+      options = [ 
+        "compress=zstd"  # Enable zstd compression for space savings
+        "noatime"        # Don't update access times for performance
+      ];
     };
 
   boot.initrd.luks.devices."luks-4126fbd4-bd09-4ece-af0d-6fff414c21b3".device = "/dev/disk/by-uuid/4126fbd4-bd09-4ece-af0d-6fff414c21b3";