With this helper, btrfs test cases can now check if a particular feature
is implemented in the kernel.
Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
Reviewed-by: Filipe Manana <fdmanana@xxxxxxxx>
---
common/btrfs | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/common/btrfs b/common/btrfs
index c3bffd2ae3f7..fbc26181f7bc 100644
--- a/common/btrfs
+++ b/common/btrfs
@@ -753,3 +753,15 @@ _require_scratch_enable_simple_quota()
_notrun "simple quotas not available"
_scratch_unmount
}
+
+_has_btrfs_sysfs_feature_attr()
+{
+ local feature_attr=$1
+
+ [ -z $feature_attr ] && \
+ _fail "Missing feature name argument for _has_btrfs_sysfs_attr"
+
+ modprobe btrfs &> /dev/null
+
+ test -e /sys/fs/btrfs/features/$feature_attr
+}
--
2.31.1
