1244 	struct dentry *this_parent;  in d_walk()  local
1252 	this_parent = parent;  in d_walk()
1253 	spin_lock(&this_parent->d_lock);  in d_walk()
1255 	ret = enter(data, this_parent);  in d_walk()
1267 	next = this_parent->d_subdirs.next;  in d_walk()
1269 	while (next != &this_parent->d_subdirs) {  in d_walk()
1295 			spin_unlock(&this_parent->d_lock);  in d_walk()
1297 			this_parent = dentry;  in d_walk()
1298 			spin_acquire(&this_parent->d_lock.dep_map, 0, 1, _RET_IP_);  in d_walk()
1308 	if (this_parent != parent) {  in d_walk()
1309 		struct dentry *child = this_parent;  in d_walk()
1310 		this_parent = child->d_parent;  in d_walk()
1313 		spin_lock(&this_parent->d_lock);  in d_walk()
1321 			if (next == &this_parent->d_subdirs)  in d_walk()
1333 	spin_unlock(&this_parent->d_lock);  in d_walk()
1338 	spin_unlock(&this_parent->d_lock);  in d_walk()