242 static void ovl_cache_put(struct ovl_dir_file *od, struct inode *inode)  in ovl_cache_put()  argument
244 	struct ovl_dir_cache *cache = od->cache;  in ovl_cache_put()
328 	struct ovl_dir_file *od = file->private_data;  in ovl_dir_reset()  local
329 	struct ovl_dir_cache *cache = od->cache;  in ovl_dir_reset()
334 		ovl_cache_put(od, inode);  in ovl_dir_reset()
335 		od->cache = NULL;  in ovl_dir_reset()
336 		od->cursor = NULL;  in ovl_dir_reset()
339 	if (od->is_real != is_real) {  in ovl_dir_reset()
343 		od->is_real = false;  in ovl_dir_reset()
386 static void ovl_seek_cursor(struct ovl_dir_file *od, loff_t pos)  in ovl_seek_cursor()  argument
391 	list_for_each(p, &od->cache->entries) {  in ovl_seek_cursor()
397 	od->cursor = p;  in ovl_seek_cursor()
694 	struct ovl_dir_file *od = file->private_data;  in ovl_is_impure_dir()  local
703 	return od->is_upper && ovl_test_flag(OVL_IMPURE, dir);  in ovl_is_impure_dir()
710 	struct ovl_dir_file *od = file->private_data;  in ovl_iterate_real()  local
743 	err = iterate_dir(od->realfile, &rdt.ctx);  in ovl_iterate_real()
752 	struct ovl_dir_file *od = file->private_data;  in ovl_iterate()  local
763 	if (od->is_real) {  in ovl_iterate()
775 			err = iterate_dir(od->realfile, ctx);  in ovl_iterate()
780 	if (!od->cache) {  in ovl_iterate()
788 		od->cache = cache;  in ovl_iterate()
789 		ovl_seek_cursor(od, ctx->pos);  in ovl_iterate()
792 	while (od->cursor != &od->cache->entries) {  in ovl_iterate()
793 		p = list_entry(od->cursor, struct ovl_cache_entry, l_node);  in ovl_iterate()
806 		od->cursor = p->l_node.next;  in ovl_iterate()
818 	struct ovl_dir_file *od = file->private_data;  in ovl_dir_llseek()  local
824 	if (od->is_real) {  in ovl_dir_llseek()
825 		res = vfs_llseek(od->realfile, offset, origin);  in ovl_dir_llseek()
826 		file->f_pos = od->realfile->f_pos;  in ovl_dir_llseek()
844 			if (od->cache)  in ovl_dir_llseek()
845 				ovl_seek_cursor(od, offset);  in ovl_dir_llseek()
878 	struct ovl_dir_file *od = file->private_data;  in ovl_dir_real_file()  local
880 	struct file *old, *realfile = od->realfile;  in ovl_dir_real_file()
888 	if (!od->is_upper) {  in ovl_dir_real_file()
889 		realfile = READ_ONCE(od->upperfile);  in ovl_dir_real_file()
898 			old = cmpxchg_release(&od->upperfile, NULL, realfile);  in ovl_dir_real_file()
931 	struct ovl_dir_file *od = file->private_data;  in ovl_dir_release()  local
933 	if (od->cache) {  in ovl_dir_release()
935 		ovl_cache_put(od, inode);  in ovl_dir_release()
938 	fput(od->realfile);  in ovl_dir_release()
939 	if (od->upperfile)  in ovl_dir_release()
940 		fput(od->upperfile);  in ovl_dir_release()
941 	kfree(od);  in ovl_dir_release()
950 	struct ovl_dir_file *od;  in ovl_dir_open()  local
953 	od = kzalloc(sizeof(struct ovl_dir_file), GFP_KERNEL);  in ovl_dir_open()
954 	if (!od)  in ovl_dir_open()
960 		kfree(od);  in ovl_dir_open()
963 	od->realfile = realfile;  in ovl_dir_open()
964 	od->is_real = ovl_dir_is_real(inode);  in ovl_dir_open()
965 	od->is_upper = OVL_TYPE_UPPER(type);  in ovl_dir_open()
966 	file->private_data = od;  in ovl_dir_open()