[PATCH v6 3/9] common: add _require_btrfs_no_nodatacow helper

[Johannes Thumshirn <johannes.thumshirn@xxxxxxx>]

Reviewed-by: Filipe Manana <fdmanana@xxxxxxxx>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>
---
 common/btrfs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/common/btrfs b/common/btrfs
index 36f9b94b02c5..a80ff0264c6a 100644
--- a/common/btrfs
+++ b/common/btrfs
@@ -120,6 +120,13 @@ _require_btrfs_no_compress()
 	fi
 }
 
+_require_btrfs_no_nodatacow()
+{
+	if _normalize_mount_options "$MOUNT_OPTIONS" | grep -q "nodatacow"; then
+		_notrun "This test requires no nodatacow enabled"
+	fi
+}
+
 _require_btrfs_no_block_group_tree()
 {
 	_scratch_mkfs > /dev/null 2>&1

-- 
2.43.0