linux-kernel - [PATCH blktests v2 10/11] nvme/037: Add test which loops passthru connect and disconnect

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Message-Id: <20200930185422.11494-11-logang@deltatee.com>
Date:   Wed, 30 Sep 2020 12:54:21 -0600
From:   Logan Gunthorpe <logang@...tatee.com>
To:     linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org,
        linux-block@...r.kernel.org, Omar Sandoval <osandov@...ndov.com>
Cc:     Sagi Grimberg <sagi@...mberg.me>,
        Chaitanya Kulkarni <Chaitanya.Kulkarni@....com>,
        Stephen Bates <sbates@...thlin.com>,
        Logan Gunthorpe <logang@...tatee.com>
Subject: [PATCH blktests v2 10/11] nvme/037: Add test which loops passthru connect and disconnect

Similar to test nvme/031 except for passthru controllers.

Note: it's normal to get I/O errors in this test as when the controller
disconnects it races with the partition table read.

Signed-off-by: Logan Gunthorpe <logang@...tatee.com>
---
 tests/nvme/037     | 35 +++++++++++++++++++++++++++++++++++
 tests/nvme/037.out |  2 ++
 2 files changed, 37 insertions(+)
 create mode 100755 tests/nvme/037
 create mode 100644 tests/nvme/037.out

diff --git a/tests/nvme/037 b/tests/nvme/037
new file mode 100755
index 000000000000..fc6c21343652
--- /dev/null
+++ b/tests/nvme/037
@@ -0,0 +1,35 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-3.0+
+# Copyright (C) 2019 Logan Gunthorpe
+# Copyright (C) 2019 Eideticom Communications Inc.
+
+. tests/nvme/rc
+
+DESCRIPTION="test deletion of NVMeOF passthru controllers immediately after setup"
+
+requires() {
+	_nvme_requires
+	_have_kernel_option NVME_TARGET_PASSTHRU
+}
+
+test_device() {
+	local subsys="blktests-subsystem-"
+	local iterations=10
+	local ctrldev
+	local port
+
+	echo "Running ${TEST_NAME}"
+
+	_setup_nvmet
+
+	for ((i = 0; i < iterations; i++)); do
+		port=$(_nvmet_passthru_target_setup "${subsys}${i}")
+		nsdev=$(_nvmet_passthru_target_connect "${nvme_trtype}" \
+				"${subsys}${i}")
+
+		_nvme_disconnect_subsys "${subsys}${i}" >>"${FULL}" 2>&1
+		_nvmet_passthru_target_cleanup "${port}" "${subsys}${i}"
+	done
+
+	echo "Test complete"
+}
diff --git a/tests/nvme/037.out b/tests/nvme/037.out
new file mode 100644
index 000000000000..eaf903d0520e
--- /dev/null
+++ b/tests/nvme/037.out
@@ -0,0 +1,2 @@
+Running nvme/037
+Test complete
-- 
2.20.1