[PATCH v2 1/4] xfstests: common/rc, introduce two pre-checkup routines for xfs crc specified testing

[Jeff Liu <jeff.liu@xxxxxxxxxx>]

From: Jie Liu <jeff.liu@xxxxxxxxxx>

Introduce two pre-checkup routines _require_xfs_mkfs_crc as well
as _require_xfs_crc to verify if mkfs.xfs and kernel are have crc
feature or not.

Signed-off-by: Jie Liu <jeff.liu@xxxxxxxxxx>
---
 common/rc | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/common/rc b/common/rc
index 5f61d57..82b58f2 100644
--- a/common/rc
+++ b/common/rc
@@ -1113,6 +1113,23 @@ _require_projid32bit()
           || _notrun "mkfs.xfs doesn't have projid32bit feature"
 }
 
+# this test requires the crc feature to be available in mkfs.xfs
+#
+_require_xfs_mkfs_crc()
+{
+       _scratch_mkfs_xfs -f -m crc=1 >/dev/null 2>&1 \
+          || _notrun "mkfs.xfs doesn't have crc feature"
+}
+
+# this test requires the xfs kernel support crc feature
+#
+_require_xfs_crc()
+{
+       _scratch_mount >/dev/null 2>&1 \
+          || _notrun "Kernel doesn't support crc feature"
+       umount $SCRATCH_MNT
+}
+
 # this test requires that external log/realtime devices are not in use
 #
 _require_nonexternal()
-- 
1.8.3.2