From 856340754c1309f3731e885b93baa2b7283c11c5 Mon Sep 17 00:00:00 2001
From: avg <avg@FreeBSD.org>
Date: Tue, 1 Aug 2017 11:09:18 +0000
Subject: [PATCH] zfsboottest: catch up with r316585 and provide ldi_get_size
 method

This method is required for querying file / disk sizes which is needed
at least for finding all copies of ZFS VDEV labels.

Reported by:	ngie
MFC after:	1 week
---
 tools/tools/zfsboottest/zfsboottest.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/tools/tools/zfsboottest/zfsboottest.c b/tools/tools/zfsboottest/zfsboottest.c
index a072671f44d8..875657f55b7b 100644
--- a/tools/tools/zfsboottest/zfsboottest.c
+++ b/tools/tools/zfsboottest/zfsboottest.c
@@ -28,7 +28,9 @@
 /* $FreeBSD$ */
 
 #include <sys/param.h>
+#include <sys/disk.h>
 #include <sys/queue.h>
+#include <sys/stat.h>
 #include <err.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -51,6 +53,20 @@ pager_output(const char *line)
 	return (0);
 }
 
+uint64_t
+ldi_get_size(void *priv)
+{
+	struct stat sb;
+	int fd;
+
+	fd = *(int *)priv;
+	if (fstat(fd, &sb) != 0)
+		return (0);
+	if (S_ISCHR(sb.st_mode) && ioctl(fd, DIOCGMEDIASIZE, &sb.st_size) != 0)
+		return (0);
+	return (sb.st_size);
+}
+
 #define ZFS_TEST
 #define	printf(...)	 fprintf(stderr, __VA_ARGS__)
 #include "libzfs.h"