From: Frantisek Sumsal <frantisek@sumsal.cz>
Date: Wed, 14 Feb 2024 10:48:56 +0000 (+0100)
Subject: test: disable CoW for swapfile on btrfs
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8606019d68e70ad11e30a8bcad884ac04a17b673;p=thirdparty%2Fsystemd.git

test: disable CoW for swapfile on btrfs
---

diff --git a/test/TEST-55-OOMD/test.sh b/test/TEST-55-OOMD/test.sh
index 64e2360b081..ecb04106b19 100755
--- a/test/TEST-55-OOMD/test.sh
+++ b/test/TEST-55-OOMD/test.sh
@@ -16,6 +16,11 @@ test_append_files() {
     (
         image_install mkswap swapon swapoff stress
 
+        if [[ "$FSTYPE" == btrfs ]]; then
+            # swapfile must not have CoW set, but the flag can be set/unset only on new or empty files
+            touch "${initdir:?}/swapfile"
+            chattr +C "${initdir:?}/swapfile"
+        fi
         dd if=/dev/zero of="${initdir:?}/swapfile" bs=1M count=48
         chmod 0600 "${initdir:?}/swapfile"