41 	struct attribute attr;  member
42 	ssize_t (*show)(struct foo_obj *foo, struct foo_attribute *attr, char *buf);
43 	ssize_t (*store)(struct foo_obj *foo, struct foo_attribute *attr, const char *buf, size_t count);
45 #define to_foo_attr(x) container_of(x, struct foo_attribute, attr)
55 			     struct attribute *attr,  in foo_attr_show()  argument
61 	attribute = to_foo_attr(attr);  in foo_attr_show()
75 			      struct attribute *attr,  in foo_attr_store()  argument
81 	attribute = to_foo_attr(attr);  in foo_attr_store()
114 static ssize_t foo_show(struct foo_obj *foo_obj, struct foo_attribute *attr,  in foo_show()  argument
120 static ssize_t foo_store(struct foo_obj *foo_obj, struct foo_attribute *attr,  in foo_store()  argument
140 static ssize_t b_show(struct foo_obj *foo_obj, struct foo_attribute *attr,  in b_show()  argument
145 	if (strcmp(attr->attr.name, "baz") == 0)  in b_show()
152 static ssize_t b_store(struct foo_obj *foo_obj, struct foo_attribute *attr,  in b_store()  argument
161 	if (strcmp(attr->attr.name, "baz") == 0)  in b_store()
178 	&foo_attribute.attr,
179 	&baz_attribute.attr,
180 	&bar_attribute.attr,