1291 	struct dentry *this_parent;  in d_walk()  local
1299 	this_parent = parent;  in d_walk()
1300 	spin_lock(&this_parent->d_lock);  in d_walk()
1302 	ret = enter(data, this_parent);  in d_walk()
1314 	next = this_parent->d_subdirs.next;  in d_walk()
1316 	while (next != &this_parent->d_subdirs) {  in d_walk()
1342 			spin_unlock(&this_parent->d_lock);  in d_walk()
1344 			this_parent = dentry;  in d_walk()
1345 			spin_acquire(&this_parent->d_lock.dep_map, 0, 1, _RET_IP_);  in d_walk()
1355 	if (this_parent != parent) {  in d_walk()
1356 		struct dentry *child = this_parent;  in d_walk()
1357 		this_parent = child->d_parent;  in d_walk()
1360 		spin_lock(&this_parent->d_lock);  in d_walk()
1368 			if (next == &this_parent->d_subdirs)  in d_walk()
1380 	spin_unlock(&this_parent->d_lock);  in d_walk()
1385 	spin_unlock(&this_parent->d_lock);  in d_walk()