From 3d26cd83b0a05239d6be0eba08e8d4ffc8a936c8 Mon Sep 17 00:00:00 2001
From: Markus Ressel <mail@markusressel.de>
Date: Mon, 6 Nov 2023 23:36:25 +0100
Subject: [PATCH] add --reflink=never to cp on linux

---
 zfs-inplace-rebalancing.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/zfs-inplace-rebalancing.sh b/zfs-inplace-rebalancing.sh
index b66a01f..9e6afd4 100755
--- a/zfs-inplace-rebalancing.sh
+++ b/zfs-inplace-rebalancing.sh
@@ -92,11 +92,12 @@ function rebalance () {
     if [[ "${OSTYPE,,}" == "linux-gnu"* ]]; then
         # Linux
 
+        # --reflink=never -- force standard copy (see ZFS Block Cloning)
         # -a -- keep attributes
         # -d -- keep symlinks (dont copy target)
         # -x -- stay on one system
         # -p -- preserve ACLs too
-        cp -adxp "${file_path}" "${tmp_file_path}"
+        cp --reflink=never -adxp "${file_path}" "${tmp_file_path}"
     elif [[ "${OSTYPE,,}" == "darwin"* ]] || [[ "${OSTYPE,,}" == "freebsd"* ]]; then
         # Mac OS
         # FreeBSD