From c2c4d05700008d245b0a703ad95fe47b36105a9a Mon Sep 17 00:00:00 2001
From: Alexander Motin <mav@FreeBSD.org>
Date: Mon, 19 Jul 2021 11:56:58 -0400
Subject: [PATCH] FreeBSD: Switch from MAXPHYS to maxphys on FreeBSD 13+

Reviewed-by: Allan Jude <allan@klarasystems.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Alexander Motin <mav@FreeBSD.org>
Closes #12378
---
 module/os/freebsd/zfs/vdev_geom.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/module/os/freebsd/zfs/vdev_geom.c b/module/os/freebsd/zfs/vdev_geom.c
index 2353c46002..6ac37da1c5 100644
--- a/module/os/freebsd/zfs/vdev_geom.c
+++ b/module/os/freebsd/zfs/vdev_geom.c
@@ -381,7 +381,11 @@ vdev_geom_io(struct g_consumer *cp, int *cmds, void **datas, off_t *offsets,
 	int i, n_bios, j;
 	size_t bios_size;
 
+#if __FreeBSD_version > 1300130
+	maxio = maxphys - (maxphys % cp->provider->sectorsize);
+#else
 	maxio = MAXPHYS - (MAXPHYS % cp->provider->sectorsize);
+#endif
 	n_bios = 0;
 
 	/* How many bios are required for all commands ? */