--- /dev/null	Mon Aug  5 17:17:02 2019
+++ new/usr/src/lib/smbclnt/libfksmbfs/common/fake_modconf.c	Mon Aug  5 17:17:02 2019
@@ -0,0 +1,195 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * Copyright 2017 Nexenta Systems, Inc.  All rights reserved.
+ */
+
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/errno.h>
+#include <sys/vfs.h>
+#include <sys/vnode.h>
+#include <sys/mount.h>
+#include <sys/cmn_err.h>
+#include <sys/debug.h>
+
+#if 0 // XXX
+
+#include <sys/user.h>
+#include <sys/vm.h>
+#include <sys/conf.h>
+#include <sys/class.h>
+#include <sys/systm.h>
+#include <sys/modctl.h>
+#include <sys/exec.h>
+#include <sys/exechdr.h>
+#include <sys/devops.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/hwconf.h>
+#include <sys/ddi_impldefs.h>
+#include <sys/autoconf.h>
+#include <sys/disp.h>
+#include <sys/kmem.h>
+#include <sys/instance.h>
+#include <sys/modhash.h>
+#include <sys/dacf.h>
+#include <ipp/ipp.h>
+#include <sys/strsubr.h>
+#include <sys/kcpc.h>
+#include <sys/brand.h>
+#include <sys/cpc_pcbe.h>
+#include <sys/kstat.h>
+#include <sys/socketvar.h>
+#include <sys/kiconv.h>
+
+#endif // XXX
+
+#include <libfksmbfs.h>
+
+/*
+ * Install a filesystem.
+ */
+/*ARGSUSED1*/
+int
+fake_installfs(vfsdef_t *def)
+{
+	struct vfssw *vswp;
+	char *fsname = def->name;
+	int fstype;	/* index into vfssw[] and vsanchor_fstype[] */
+	int allocated;
+	int err;
+
+	if (def->def_version != VFSDEF_VERSION) {
+		cmn_err(CE_WARN, "file system '%s' version mismatch", fsname);
+		return (ENXIO);
+	}
+
+	allocated = 0;
+
+	WLOCK_VFSSW();
+	if ((vswp = vfs_getvfsswbyname(fsname)) == NULL) {
+		if ((vswp = allocate_vfssw(fsname)) == NULL) {
+			WUNLOCK_VFSSW();
+			/*
+			 * See 1095689.  If this message appears, then
+			 * we either need to make the vfssw table bigger
+			 * statically, or make it grow dynamically.
+			 */
+			cmn_err(CE_WARN, "no room for '%s' in vfssw!", fsname);
+			return (ENXIO);
+		}
+		allocated = 1;
+	}
+	ASSERT(vswp != NULL);
+
+	fstype = vswp - vfssw;	/* Pointer arithmetic to get the fstype */
+
+	/* Turn on everything by default *except* VSW_STATS */
+	vswp->vsw_flag = def->flags & ~(VSW_STATS);
+
+	if (def->flags & VSW_HASPROTO) {
+		vfs_mergeopttbl(&vfs_mntopts, def->optproto,
+		    &vswp->vsw_optproto);
+	} else {
+		vfs_copyopttbl(&vfs_mntopts, &vswp->vsw_optproto);
+	}
+
+	if (def->flags & VSW_CANRWRO) {
+		/*
+		 * This obviously implies VSW_CANREMOUNT.
+		 */
+		vswp->vsw_flag |= VSW_CANREMOUNT;
+	}
+
+	/* vopstats ... */
+
+	if (def->init == NULL)
+		err = EFAULT;
+	else
+		err = (*(def->init))(fstype, fsname);
+
+	if (err != 0) {
+		if (allocated) {
+			kmem_free(vswp->vsw_name, strlen(vswp->vsw_name)+1);
+			vswp->vsw_name = "";
+		}
+		vswp->vsw_flag = 0;
+		vswp->vsw_init = NULL;
+	}
+
+	vfs_unrefvfssw(vswp);
+	WUNLOCK_VFSSW();
+
+	/* ... vopstats */
+
+	return (err);
+}
+
+int fake_removefs_allowed = 1;
+
+/*
+ * Remove a filesystem
+ */
+int
+fake_removefs(vfsdef_t *def)
+{
+	struct vfssw *vswp;
+
+	if (fake_removefs_allowed == 0)
+		return (EBUSY);
+
+	WLOCK_VFSSW();
+	if ((vswp = vfs_getvfsswbyname(def->name)) == NULL) {
+		WUNLOCK_VFSSW();
+		cmn_err(CE_WARN, "fake_removefs: %s not in vfssw",
+			def->name);
+		return (EINVAL);
+	}
+	if (vswp->vsw_count != 1) {
+		vfs_unrefvfssw(vswp);
+		WUNLOCK_VFSSW();
+		return (EBUSY);
+	}
+
+	/*
+	 * A mounted filesystem could still have vsw_count = 0
+	 * so we must check whether anyone is actually using our ops
+	 */
+	if (vfs_opsinuse(&vswp->vsw_vfsops)) {
+		vfs_unrefvfssw(vswp);
+		WUNLOCK_VFSSW();
+		return (EBUSY);
+	}
+
+	vfs_freeopttbl(&vswp->vsw_optproto);
+	vswp->vsw_optproto.mo_count = 0;
+
+	vswp->vsw_flag = 0;
+	vswp->vsw_init = NULL;
+	vfs_unrefvfssw(vswp);
+	WUNLOCK_VFSSW();
+	return (0);
+}
