1 files changed, 31 insertions, 0 deletions
diff --git a/tools/testing/selftests/ublk/test_loop_03.sh b/tools/testing/selftests/ublk/test_loop_03.sh
new file mode 100755
index 000000000000..269c96787d7d
--- /dev/null
+++ b/tools/testing/selftests/ublk/test_loop_03.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+. "$(cd "$(dirname "$0")" && pwd)"/test_common.sh
+
+TID="loop_03"
+ERR_CODE=0
+
+_prep_test "loop" "write and verify over zero copy"
+
+backfile_0=$(_create_backfile 256M)
+dev_id=$(_add_ublk_dev -t loop -z "$backfile_0")
+_check_add_dev $TID $? "$backfile_0"
+
+# run fio over the ublk disk
+fio --name=write_and_verify \
+    --filename=/dev/ublkb"${dev_id}" \
+    --ioengine=libaio --iodepth=64 \
+    --rw=write \
+    --size=256M \
+    --direct=1 \
+    --verify=crc32c \
+    --do_verify=1 \
+    --bs=4k > /dev/null 2>&1
+ERR_CODE=$?
+
+_cleanup_test "loop"
+
+_remove_backfile "$backfile_0"
+
+_show_result $TID $ERR_CODE