[PATCH V3 2/4] common/xfs: Add helper to check if nrext64 option is supported

From: Chandan Babu R <chandan.babu@oracle.com>
To: fstests@vger.kernel.org
Cc: Chandan Babu R <chandan.babu@oracle.com>,
	zlang@kernel.org, david@fromorbit.com, djwong@kernel.org,
	linux-xfs@vger.kernel.org
Subject: [PATCH V3 2/4] common/xfs: Add helper to check if nrext64 option is supported
Date: Sat, 11 Jun 2022 16:40:35 +0530	[thread overview]
Message-ID: <20220611111037.433134-3-chandan.babu@oracle.com> (raw)
In-Reply-To: <20220611111037.433134-1-chandan.babu@oracle.com>

This commit adds a new helper to allow tests to check if xfsprogs and xfs
kernel module support nrext64 option.

Signed-off-by: Chandan Babu R <chandan.babu@oracle.com>
---
 common/xfs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/common/xfs b/common/xfs
index 2123a4ab..9f84dffb 100644
--- a/common/xfs
+++ b/common/xfs
@@ -444,6 +444,18 @@ _require_xfs_sparse_inodes()
 	_scratch_unmount
 }
 
+# this test requires the xfs large extent counter feature
+#
+_require_xfs_nrext64()
+{
+	_scratch_mkfs_xfs_supported -m crc=1 -i nrext64 > /dev/null 2>&1 \
+		|| _notrun "mkfs.xfs does not support nrext64"
+	_scratch_mkfs_xfs -m crc=1 -i nrext64 > /dev/null 2>&1
+	_try_scratch_mount >/dev/null 2>&1 \
+		|| _notrun "kernel does not support nrext64"
+	_scratch_unmount
+}
+
 # check that xfs_db supports a specific command
 _require_xfs_db_command()
 {
-- 
2.35.1

