X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=fs%2Fbtrfs%2Fsysfs.h;h=3a4bbed723fde53e05228ace7dea9e49165f246a;hb=8635eda91ee11690bd8f73b2504ee19431fd6380;hp=f7dd298b3cf6ecbb080924ffd083af7bb68a4e1f;hpb=5e0f872c7d7e371fbdf09e864eddd24bddfda8fe;p=deliverable%2Flinux.git

diff --git a/fs/btrfs/sysfs.h b/fs/btrfs/sysfs.h
index f7dd298b3cf6..3a4bbed723fd 100644
--- a/fs/btrfs/sysfs.h
+++ b/fs/btrfs/sysfs.h
@@ -61,11 +61,23 @@ static struct btrfs_feature_attr btrfs_attr_##_name = {			     \
 	BTRFS_FEAT_ATTR(name, FEAT_INCOMPAT, BTRFS_FEATURE_INCOMPAT, feature)
 
 /* convert from attribute */
-#define to_btrfs_feature_attr(a) \
-			container_of(a, struct btrfs_feature_attr, kobj_attr)
-#define attr_to_btrfs_attr(a) container_of(a, struct kobj_attribute, attr)
-#define attr_to_btrfs_feature_attr(a) \
-			to_btrfs_feature_attr(attr_to_btrfs_attr(a))
+static inline struct btrfs_feature_attr *
+to_btrfs_feature_attr(struct kobj_attribute *a)
+{
+	return container_of(a, struct btrfs_feature_attr, kobj_attr);
+}
+
+static inline struct kobj_attribute *attr_to_btrfs_attr(struct attribute *attr)
+{
+	return container_of(attr, struct kobj_attribute, attr);
+}
+
+static inline struct btrfs_feature_attr *
+attr_to_btrfs_feature_attr(struct attribute *attr)
+{
+	return to_btrfs_feature_attr(attr_to_btrfs_attr(attr));
+}
+
 char *btrfs_printable_features(enum btrfs_feature_set set, u64 flags);
 extern const char * const btrfs_feature_set_names[3];
 extern struct kobj_type space_info_ktype;