linux-kernel - [PATCH blktests v2 02/11] common/xfs: Create common helper to check for XFS support

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Date:   Wed, 30 Sep 2020 12:54:13 -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 02/11] common/xfs: Create common helper to check for XFS support

Two nvme tests create and mount XFS filesystems and check for mkfs.xfs.

They should also check for XFS support in the kernel so create a common
helper for this.

Signed-off-by: Logan Gunthorpe <logang@...tatee.com>
---
 common/rc      |  8 ++++++++
 common/xfs     | 11 +++++++++++
 tests/nvme/012 |  6 ++++--
 tests/nvme/013 |  4 +++-
 4 files changed, 26 insertions(+), 3 deletions(-)
 create mode 100644 common/xfs

diff --git a/common/rc b/common/rc
index cdc0150ea5ea..44cb218c2fac 100644
--- a/common/rc
+++ b/common/rc
@@ -181,6 +181,14 @@ _have_tracepoint() {
 	return 0
 }
 
+_have_fs() {
+	modprobe "$1" >/dev/null 2>&1
+	if [[ ! -d "/sys/fs/$1" ]]; then
+		SKIP_REASON="kernel does not support filesystem $1"
+		return 1
+	fi
+}
+
 _test_dev_is_rotational() {
 	[[ $(cat "${TEST_DEV_SYSFS}/queue/rotational") -ne 0 ]]
 }
diff --git a/common/xfs b/common/xfs
new file mode 100644
index 000000000000..d1a603b8c7b5
--- /dev/null
+++ b/common/xfs
@@ -0,0 +1,11 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-3.0+
+# Copyright (C) 2017 Omar Sandoval
+#
+# fio helper functions.
+
+. common/shellcheck
+
+_have_xfs() {
+	_have_fs xfs && _have_program mkfs.xfs
+}
diff --git a/tests/nvme/012 b/tests/nvme/012
index 1dbd59804ed7..1d8d8e3cc271 100755
--- a/tests/nvme/012
+++ b/tests/nvme/012
@@ -5,14 +5,16 @@
 # Test mkfs with data verification for block device backed ns.
 
 . tests/nvme/rc
+. common/xfs
 
 DESCRIPTION="run mkfs and data verification fio job on NVMeOF block device-backed ns"
 TIMED=1
 
 requires() {
 	_nvme_requires
-	_have_program mkfs.xfs && _have_program fio && \
-		_have_modules loop
+	_have_xfs
+	_have_program fio
+	_have_modules loop
 	_require_nvme_trtype_is_fabrics
 }
 
diff --git a/tests/nvme/013 b/tests/nvme/013
index df7f23e69252..3819a2730d9b 100755
--- a/tests/nvme/013
+++ b/tests/nvme/013
@@ -5,13 +5,15 @@
 # Test mkfs with data verification for file backed ns.
 
 . tests/nvme/rc
+. common/xfs
 
 DESCRIPTION="run mkfs and data verification fio job on NVMeOF file-backed ns"
 TIMED=1
 
 requires() {
 	_nvme_requires
-	_have_program mkfs.xfs && _have_fio
+	_have_xfs
+	_have_fio
 	_require_nvme_trtype_is_fabrics
 }
 
-- 
2.20.1