From c1581f4f4dfb307bdea683a4a8bdc94c5f7617a1 Mon Sep 17 00:00:00 2001
From: Andriy Gapon <avg@FreeBSD.org>
Date: Fri, 22 Mar 2019 09:11:45 +0000
Subject: [PATCH] ZFS vdev_file: use correct value for waitfor parameter of
 VOP_FSYNC

PR:		236475
Reported by:	asomers
MFC after:	2 weeks
---
 sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_file.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_file.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_file.c
index 6cc5343b5e69..51ce7404ce3f 100644
--- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_file.c
+++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_file.c
@@ -239,8 +239,13 @@ vdev_file_io_start(zio_t *zio)
 
 		switch (zio->io_cmd) {
 		case DKIOCFLUSHWRITECACHE:
+#ifdef illumos
 			zio->io_error = VOP_FSYNC(vf->vf_vnode, FSYNC | FDSYNC,
 			    kcred, NULL);
+#else
+			zio->io_error = VOP_FSYNC(vf->vf_vnode, MNT_WAIT,
+			    kcred, NULL);
+#endif
 			break;
 		default:
 			zio->io_error = SET_ERROR(ENOTSUP);