From beddd36c953f98e95164bdff20b0a6ead61ad71c Mon Sep 17 00:00:00 2001
From: "William A. Kennington III" <william@wkennington.com>
Date: Sat, 2 Aug 2014 17:50:28 -0500
Subject: [PATCH] nixos/stage-1: Don't check resilient filesystems

---
 nixos/modules/system/boot/stage-1-init.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nixos/modules/system/boot/stage-1-init.sh b/nixos/modules/system/boot/stage-1-init.sh
index 1b51c11e351..73fc6ce543c 100644
--- a/nixos/modules/system/boot/stage-1-init.sh
+++ b/nixos/modules/system/boot/stage-1-init.sh
@@ -194,6 +194,9 @@ checkFS() {
     # Don't check ROM filesystems.
     if [ "$fsType" = iso9660 -o "$fsType" = udf ]; then return 0; fi
 
+    # Don't check resilient COWs as they validate the fs structures at mount time
+    if [ "$fsType" = btrfs -o "$fsType" = zfs ]; then return 0; fi
+
     # If we couldn't figure out the FS type, then skip fsck.
     if [ "$fsType" = auto ]; then
         echo 'cannot check filesystem with type "auto"!'