238 static void ovl_cache_put(struct ovl_dir_file *od, struct inode *inode)  in ovl_cache_put()  argument
240 	struct ovl_dir_cache *cache = od->cache;  in ovl_cache_put()
324 	struct ovl_dir_file *od = file->private_data;  in ovl_dir_reset()  local
325 	struct ovl_dir_cache *cache = od->cache;  in ovl_dir_reset()
330 		ovl_cache_put(od, inode);  in ovl_dir_reset()
331 		od->cache = NULL;  in ovl_dir_reset()
332 		od->cursor = NULL;  in ovl_dir_reset()
335 	if (od->is_real != is_real) {  in ovl_dir_reset()
339 		od->is_real = false;  in ovl_dir_reset()
379 static void ovl_seek_cursor(struct ovl_dir_file *od, loff_t pos)  in ovl_seek_cursor()  argument
384 	list_for_each(p, &od->cache->entries) {  in ovl_seek_cursor()
390 	od->cursor = p;  in ovl_seek_cursor()
680 	struct ovl_dir_file *od = file->private_data;  in ovl_is_impure_dir()  local
689 	return od->is_upper && ovl_test_flag(OVL_IMPURE, dir);  in ovl_is_impure_dir()
696 	struct ovl_dir_file *od = file->private_data;  in ovl_iterate_real()  local
729 	err = iterate_dir(od->realfile, &rdt.ctx);  in ovl_iterate_real()
738 	struct ovl_dir_file *od = file->private_data;  in ovl_iterate()  local
749 	if (od->is_real) {  in ovl_iterate()
761 			err = iterate_dir(od->realfile, ctx);  in ovl_iterate()
766 	if (!od->cache) {  in ovl_iterate()
774 		od->cache = cache;  in ovl_iterate()
775 		ovl_seek_cursor(od, ctx->pos);  in ovl_iterate()
778 	while (od->cursor != &od->cache->entries) {  in ovl_iterate()
779 		p = list_entry(od->cursor, struct ovl_cache_entry, l_node);  in ovl_iterate()
792 		od->cursor = p->l_node.next;  in ovl_iterate()
804 	struct ovl_dir_file *od = file->private_data;  in ovl_dir_llseek()  local
810 	if (od->is_real) {  in ovl_dir_llseek()
811 		res = vfs_llseek(od->realfile, offset, origin);  in ovl_dir_llseek()
812 		file->f_pos = od->realfile->f_pos;  in ovl_dir_llseek()
830 			if (od->cache)  in ovl_dir_llseek()
831 				ovl_seek_cursor(od, offset);  in ovl_dir_llseek()
864 	struct ovl_dir_file *od = file->private_data;  in ovl_dir_real_file()  local
866 	struct file *old, *realfile = od->realfile;  in ovl_dir_real_file()
874 	if (!od->is_upper) {  in ovl_dir_real_file()
875 		realfile = READ_ONCE(od->upperfile);  in ovl_dir_real_file()
884 			old = cmpxchg_release(&od->upperfile, NULL, realfile);  in ovl_dir_real_file()
917 	struct ovl_dir_file *od = file->private_data;  in ovl_dir_release()  local
919 	if (od->cache) {  in ovl_dir_release()
921 		ovl_cache_put(od, inode);  in ovl_dir_release()
924 	fput(od->realfile);  in ovl_dir_release()
925 	if (od->upperfile)  in ovl_dir_release()
926 		fput(od->upperfile);  in ovl_dir_release()
927 	kfree(od);  in ovl_dir_release()
936 	struct ovl_dir_file *od;  in ovl_dir_open()  local
939 	od = kzalloc(sizeof(struct ovl_dir_file), GFP_KERNEL);  in ovl_dir_open()
940 	if (!od)  in ovl_dir_open()
946 		kfree(od);  in ovl_dir_open()
949 	od->realfile = realfile;  in ovl_dir_open()
950 	od->is_real = ovl_dir_is_real(inode);  in ovl_dir_open()
951 	od->is_upper = OVL_TYPE_UPPER(type);  in ovl_dir_open()
952 	file->private_data = od;  in ovl_dir_open()