diff --git a/module/zfs/vdev_file.c b/module/zfs/vdev_file.c
index 330580224..8059cdea4 100644
--- a/module/zfs/vdev_file.c
+++ b/module/zfs/vdev_file.c
@@ -176,6 +176,10 @@ vdev_file_io_start(zio_t *zio)
 
 		switch (zio->io_cmd) {
 		case DKIOCFLUSHWRITECACHE:
+
+			if (zfs_nocacheflush)
+				break;
+
 			zio->io_error = VOP_FSYNC(vf->vf_vnode, FSYNC | FDSYNC,
 			    kcred, NULL);
 			break;