From f2996f28a502a51711217c9c6fab3458c79bf886 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Thu, 28 Aug 2014 18:37:20 -0700
Subject: [PATCH 1/1] Improve wording about Btrfs COW

---
 index.html | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/index.html b/index.html
index a21b559..31c5d34 100644
--- a/index.html
+++ b/index.html
@@ -257,9 +257,12 @@
   <h1>Btrfs offline dedupe [3.12]</h1>
   <ul class="incremental">
     <li>
-      Btrfs generally does COW rather than updating in-place, allowing
-      snapshots and file copies to defer the actual copying and save
-      space
+      Btrfs generally copies and frees blocks, rather than updating
+      in-place
+    </li>
+    <li>
+      This allows snapshots and file copies to copy-by-reference,
+      deferring the real copying until changes are made
     </li>
     <li>
       Filesystems may still end up with multiple copies of the same
-- 
2.39.2