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-rwxr-xr-xtests/qemu-iotests/2214
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/qemu-iotests/221 b/tests/qemu-iotests/221
index 25dd47bcfe..0e9096fec7 100755
--- a/tests/qemu-iotests/221
+++ b/tests/qemu-iotests/221
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 #
 # Test qemu-img vs. unaligned images
+# (See also 253, which is the O_DIRECT version)
 #
 # Copyright (C) 2018-2019 Red Hat, Inc.
 #
@@ -37,6 +38,9 @@ _supported_fmt raw
 _supported_proto file
 _supported_os Linux
 
+_default_cache_mode writeback
+_supported_cache_modes writeback writethrough unsafe
+
 echo
 echo "=== Check mapping of unaligned raw image ==="
 echo