Function process_error_log

freebsd/contrib/openzfs/module/zfs/spa_errlog.c:162–196

#ifdef _KERNEL
static int
process_error_log(spa_t *spa, uint64_t obj, void *addr, size_t *count)
{
	zap_cursor_t zc;
	zap_attribute_t za;
	zbookmark_phys_t zb;

	if (obj == 0)
		return (0);

	for (zap_cursor_init(&zc, spa->spa_meta_objset, obj);
	    zap_cursor_retrieve(&zc, &za) == 0;
	    zap_cursor_advance(&zc)) {

		if (*count == 0) {
			zap_cursor_fini(&zc);
			return (SET_ERROR(ENOMEM));
		}

		name_to_bookmark(za.za_name, &zb);

		if (copyout(&zb, (char *)addr +
		    (*count - 1) * sizeof (zbookmark_phys_t),
		    sizeof (zbookmark_phys_t)) != 0) {
			zap_cursor_fini(&zc);
			return (SET_ERROR(EFAULT));
		}

		*count -= 1;
	}

	zap_cursor_fini(&zc);

	return (0);
}

static int
process_error_list(avl_tree_t *list, void *addr, size_t *count)