From: Ming Lei <ming.lei@redhat.com>
Date: Thu, 17 Jan 2019 03:44:25 +0000 (+0800)
Subject: block: 028: block integrity funtion test
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=a9c585057fbb0331013e4d41617c58e02a55565b;p=users%2Fsagi%2Fblktests.git

block: 028: block integrity funtion test

Use scsi_debug's dif/dix to cover block layer's integrity function
test, then it can serve as block integrity regeression test.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
[Omar: fix some shellcheck errors]
Signed-off-by: Omar Sandoval <osandov@fb.com>
---

diff --git a/tests/block/028 b/tests/block/028
new file mode 100755
index 0000000..7bee691
--- /dev/null
+++ b/tests/block/028
@@ -0,0 +1,44 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-3.0+
+# Copyright (C) 2019 Ming Lei <ming.lei@redhat.com>
+#
+# Basic DIF/DIX smoke test. Regression test for commit 7809167da5c86fd6
+# ("block: don't lose track of REQ_INTEGRITY flag").
+
+. tests/block/rc
+. common/scsi_debug
+
+DESCRIPTION="do I/O on scsi_debug with DIF/DIX enabled"
+
+requires() {
+	_have_scsi_debug
+}
+
+test_pi() {
+	if ! _init_scsi_debug dev_size_mb=128 dix="$1" dif="$2" delay=0; then
+		return 1
+	fi
+
+	local dev="/dev/${SCSI_DEBUG_DEVICES[0]}"
+	local nr_sects
+	
+	nr_sects="$(blockdev --getsz "$dev")"
+	dd if=/dev/urandom of="$dev" bs=512 count="$nr_sects" status=none
+	dd if="$dev" of=/dev/null bs=512 status=none
+
+	_exit_scsi_debug
+}
+
+test() {
+	echo "Running ${TEST_NAME}"
+
+	local dix dif
+	for ((dix = 0; dix <= 1; dix++)); do
+		for ((dif = 0; dif <= 3; dif++)); do
+			test_pi "$dix" "$dif"
+			echo "Test(dix:$dix dif:$dif) complete"
+		done
+	done
+
+	rm -f "$FULL"
+}
diff --git a/tests/block/028.out b/tests/block/028.out
new file mode 100644
index 0000000..d251233
--- /dev/null
+++ b/tests/block/028.out
@@ -0,0 +1,9 @@
+Running block/028
+Test(dix:0 dif:0) complete
+Test(dix:0 dif:1) complete
+Test(dix:0 dif:2) complete
+Test(dix:0 dif:3) complete
+Test(dix:1 dif:0) complete
+Test(dix:1 dif:1) complete
+Test(dix:1 dif:2) complete
+Test(dix:1 dif:3) complete