MFp4: Add regression tests for tmpfs.

Obtained from:	NetBSD via p4
Submitted by:	Howard Su

26 files changed, 2521 insertions, 0 deletions

diff --git a/tools/regression/tmpfs/Makefile b/tools/regression/tmpfs/Makefile
new file mode 100644
index 0000000..7f21fa7
--- /dev/null
+++ b/tools/regression/tmpfs/Makefile
@@ -0,0 +1,39 @@
+#	$NetBSD: Makefile,v 1.4 2006/11/09 15:25:37 jmmv Exp $
+# $FreeBSD$
+
+tests=	t_mount
+tests+=	t_statvfs
+tests+=	t_mkdir
+tests+=	t_vnode_leak
+tests+=	t_setattr
+tests+=	t_rmdir
+tests+=	t_id_gen
+tests+=	t_trail_slash
+tests+=	t_dots
+tests+=	t_create
+tests+=	t_remove
+tests+=	t_link
+tests+=	t_rename
+tests+=	t_read_write
+tests+=	t_exec
+tests+=	t_truncate
+tests+=	t_sizes
+tests+=	t_times
+tests+=	t_symlink
+tests+=	t_pipes
+tests+=	t_sockets
+tests+=	t_readdir
+tests+=	t_vnd
+
+regress: ${tests}
+.for t in ${tests}
+	@SUBRDIR=${.CURDIR} /bin/sh ${.CURDIR}/${t} ${TEST_ARGS}
+.endfor
+
+PROG=	h_tools
+NO_MAN=	# defined
+WARNS=	4
+
+t_sizes t_sockets t_statvfs: h_tools
+
+.include <bsd.prog.mk>
diff --git a/tools/regression/tmpfs/h_funcs.subr b/tools/regression/tmpfs/h_funcs.subr
new file mode 100644
index 0000000..22c9de3
--- /dev/null
+++ b/tools/regression/tmpfs/h_funcs.subr
@@ -0,0 +1,191 @@
+#!/bin/sh
+#
+# $NetBSD: h_funcs.subr,v 1.5 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Helper functions for tests written in shell script.
+#
+
+Prog_Name=${0##*/}
+Src_Dir=$(pwd)
+Unprived_User=
+Verbose=2
+Work_Dir=$(pwd)/tmp
+
+# -------------------------------------------------------------------------
+
+# die
+#
+#	Called by tests when a command fails unexpectedly.  Terminates
+#	execution and tries to clean up the mount point.
+#
+die() {
+	if [ -d ${Work_Dir} ]; then
+		cd ${Src_Dir}
+		umount ${Work_Dir}
+		rmdir ${Work_Dir}
+	fi
+	[ ${Verbose} -eq 2 ] && err "Test ended unexpectedly"
+	[ ${Verbose} -eq 1 ] && echo " failed."
+	exit 1
+}
+
+# -------------------------------------------------------------------------
+
+# err message
+#
+#	Shows the given error message and terminates the program.
+#
+err() {
+	echo "${Prog_Name}: $*" 1>&2
+	exit 1
+}
+
+# -------------------------------------------------------------------------
+
+# test_mount [args]
+#
+#	Mounts tmpfs over ${Work_Dir} and changes the current directory
+#	to the mount point.  Optional arguments may be passed to the
+#	mount command.
+#
+test_mount() {
+	mkdir ${Work_Dir} || die
+	if [ $# -gt 0 ]; then
+		mount -t tmpfs "$@" tmpfs ${Work_Dir} || die
+	else
+		mount -t tmpfs tmpfs ${Work_Dir} || die
+	fi
+	cd ${Work_Dir}
+}
+
+# -------------------------------------------------------------------------
+
+# test_name message
+#
+#	Prints a message about what a test is going to do.
+#
+test_name() {
+	[ ${Verbose} -gt 1 ] && echo "    $*..."
+}
+
+# -------------------------------------------------------------------------
+
+# test_unmount
+#
+#	Unmounts the file system mounted by test_mount.
+#
+test_unmount() {
+	cd -
+	umount ${Work_Dir} || die
+	rmdir ${Work_Dir} || die
+}
+
+# -------------------------------------------------------------------------
+
+# kqueue_monitor expected_nevents file1 [.. fileN]
+#
+#	Monitors the commands given through stdin (one per line) using
+#	kqueue and stores the events raised in a log that can be later
+#	verified with kqueue_check.
+#
+kqueue_monitor() {
+	nev=${1}; shift
+	test_name "Running kqueue-monitored commands and expecting" \
+	    "${nev} events"
+	${Src_Dir}/h_tools kqueue ${*} >kqueue.log || return 1
+	got=$(wc -l kqueue.log | awk '{ print $1 }')
+	test ${got} -eq ${nev}
+}
+
+# -------------------------------------------------------------------------
+
+# kqueue_check file event
+#
+#	Checks if kqueue raised the given event when monitoring the
+#	given file.
+#
+kqueue_check() {
+	grep "^${1} - ${2}$" kqueue.log >/dev/null
+}
+
+# -------------------------------------------------------------------------
+
+main() {
+	local args
+
+	[ $(id -un) = root ] || err "Must be run as root"
+
+	args=$(getopt u:v:w: $*)
+	if [ $? -ne 0 ]; then
+		echo "Usage: ${Prog_Name} [-u unprived_user] [-v level] " \
+		    "[-w root_dir]" 1>&2
+		return 1
+	fi
+	set -- ${args}
+	while [ $# -gt 0 ]; do
+		case "$1" in
+			-u)
+				Unprived_User="$2"; shift
+				;;
+			-v)
+				Verbose="$2"; shift
+				;;
+			-w)
+				Work_Dir="$2"; shift
+				;;
+			--)
+				shift; break
+				;;
+		esac
+		shift
+	done
+
+	[ ${Verbose} -eq 1 ] && echo -n "${Prog_Name}:"
+	[ ${Verbose} -eq 2 ] && echo "${Prog_Name}: Running tests"
+	test_run
+	[ ${Verbose} -eq 1 ] && echo " ok."
+	[ ${Verbose} -eq 2 ] && echo "${Prog_Name}: All tests were successful"
+
+	return 0
+}
+
+main "$@"
diff --git a/tools/regression/tmpfs/h_tools.c b/tools/regression/tmpfs/h_tools.c
new file mode 100644
index 0000000..9d89401
--- /dev/null
+++ b/tools/regression/tmpfs/h_tools.c
@@ -0,0 +1,283 @@
+/*	$NetBSD: h_tools.c,v 1.7 2006/11/09 16:20:06 jmmv Exp $	*/
+
+/*-
+ * Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+ * 2005 program.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+/*
+ * Helper tools for several tests.  These are kept in a single file due
+ * to the limitations of bsd.prog.mk to build a single program in a
+ * given directory.
+ */
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/event.h>
+#include <sys/mount.h>
+#include <sys/statvfs.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <sys/un.h>
+
+#include <assert.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+/* --------------------------------------------------------------------- */
+
+static int getfh_main(int, char **);
+static int kqueue_main(int, char **);
+static int rename_main(int, char **);
+static int sockets_main(int, char **);
+static int statvfs_main(int, char **);
+
+/* --------------------------------------------------------------------- */
+
+int
+getfh_main(int argc, char **argv)
+{
+	int error;
+	fhandle_t fh;
+
+	if (argc < 2)
+		return EXIT_FAILURE;
+
+	error = getfh(argv[1], &fh);
+	if (error == 0) 
+		err(EXIT_FAILURE, "can not getfh");	
+
+	error = write(STDOUT_FILENO, &fh, sizeof(fh));
+	if (error == -1) {
+		perror("write");
+		return EXIT_FAILURE;
+	}
+
+	return 0;
+}
+
+/* --------------------------------------------------------------------- */
+
+int
+kqueue_main(int argc, char **argv)
+{
+	char *line;
+	int i, kq;
+	size_t len;
+	struct kevent *changes, event;
+
+	if (argc < 2)
+		return EXIT_FAILURE;
+
+	argc--;
+	argv++;
+
+	changes = malloc(sizeof(struct kevent) * (argc - 1));
+	if (changes == NULL)
+		errx(EXIT_FAILURE, "not enough memory");
+
+	for (i = 0; i < argc; i++) {
+		int fd;
+
+		fd = open(argv[i], O_RDONLY);
+		if (fd == -1)
+			err(EXIT_FAILURE, "cannot open %s", argv[i]);
+
+		EV_SET(&changes[i], fd, EVFILT_VNODE,
+		    EV_ADD | EV_ENABLE | EV_ONESHOT,
+		    NOTE_ATTRIB | NOTE_DELETE | NOTE_EXTEND | NOTE_LINK |
+		    NOTE_RENAME | NOTE_REVOKE | NOTE_WRITE,
+		    0, 0);
+	}
+
+	kq = kqueue();
+	if (kq == -1)
+		err(EXIT_FAILURE, "kqueue");
+
+	while ((line = fgetln(stdin, &len)) != NULL) {
+		int ec, nev;
+		struct timespec to;
+
+		to.tv_sec = 0;
+		to.tv_nsec = 100000;
+
+		(void)kevent(kq, changes, argc, &event, 1, &to);
+
+		assert(len > 0);
+		assert(line[len - 1] == '\n');
+		line[len - 1] = '\0';
+		ec = system(line);
+		if (ec != EXIT_SUCCESS)
+			errx(ec, "%s returned %d", line, ec);
+
+		do {
+			nev = kevent(kq, changes, argc, &event, 1, &to);
+			if (nev == -1)
+				err(EXIT_FAILURE, "kevent");
+			else if (nev > 0) {
+				for (i = 0; i < argc; i++)
+					if (event.ident == changes[i].ident)
+						break;
+
+				if (event.fflags & NOTE_ATTRIB)
+					printf("%s - NOTE_ATTRIB\n", argv[i]);
+				if (event.fflags & NOTE_DELETE)
+					printf("%s - NOTE_DELETE\n", argv[i]);
+				if (event.fflags & NOTE_EXTEND)
+					printf("%s - NOTE_EXTEND\n", argv[i]);
+				if (event.fflags & NOTE_LINK)
+					printf("%s - NOTE_LINK\n", argv[i]);
+				if (event.fflags & NOTE_RENAME)
+					printf("%s - NOTE_RENAME\n", argv[i]);
+				if (event.fflags & NOTE_REVOKE)
+					printf("%s - NOTE_REVOKE\n", argv[i]);
+				if (event.fflags & NOTE_WRITE)
+					printf("%s - NOTE_WRITE\n", argv[i]);
+			}
+		} while (nev > 0);
+	}
+
+	for (i = 0; i < argc; i++)
+		close(changes[i].ident);
+	free(changes);
+
+	return EXIT_SUCCESS;
+}
+
+/* --------------------------------------------------------------------- */
+
+int
+rename_main(int argc, char **argv)
+{
+
+	if (argc < 3)
+		return EXIT_FAILURE;
+
+	return rename(argv[1], argv[2]);
+}
+
+/* --------------------------------------------------------------------- */
+
+int
+sockets_main(int argc, char **argv)
+{
+	int error, fd;
+	struct sockaddr_un addr;
+
+	if (argc < 2)
+		return EXIT_FAILURE;
+
+	fd = socket(PF_LOCAL, SOCK_STREAM, 0);
+	if (fd == -1) {
+		perror("socket");
+		return EXIT_FAILURE;
+	}
+
+	(void)strlcpy(addr.sun_path, argv[1], sizeof(addr.sun_path));
+	addr.sun_family = PF_UNIX;
+
+	error = bind(fd, (struct sockaddr *)&addr, sizeof(addr));
+	if (error == -1) {
+		perror("connect");
+		return EXIT_FAILURE;
+	}
+
+	close(fd);
+
+	return EXIT_SUCCESS;
+}
+
+/* --------------------------------------------------------------------- */
+
+int
+statvfs_main(int argc, char **argv)
+{
+	int error;
+	struct statfs buf;
+
+	if (argc < 2)
+		return EXIT_FAILURE;
+
+	memset(&buf, 0, sizeof(buf));
+	buf.f_version = STATFS_VERSION;
+	error = statfs(argv[1], &buf);
+	if (error != 0) {
+		perror("statvfs");
+		return EXIT_FAILURE;
+	}
+
+	(void)printf("f_bsize=%llu\n", buf.f_bsize);
+	(void)printf("f_blocks=%llu\n", buf.f_blocks);
+	(void)printf("f_bfree=%llu\n", buf.f_bfree);
+	(void)printf("f_files=%llu\n", buf.f_files);
+
+	return EXIT_SUCCESS;
+}
+
+/* --------------------------------------------------------------------- */
+
+int
+main(int argc, char **argv)
+{
+	int error;
+
+	if (argc < 2)
+		return EXIT_FAILURE;
+
+	argc -= 1;
+	argv += 1;
+
+	if (strcmp(argv[0], "getfh") == 0)
+		error = getfh_main(argc, argv);
+	else if (strcmp(argv[0], "kqueue") == 0)
+		error = kqueue_main(argc, argv);
+	else if (strcmp(argv[0], "rename") == 0)
+		error = rename_main(argc, argv);
+	else if (strcmp(argv[0], "sockets") == 0)
+		error = sockets_main(argc, argv);
+	else if (strcmp(argv[0], "statvfs") == 0)
+		error = statvfs_main(argc, argv);
+	else
+		error = EXIT_FAILURE;
+
+	return error;
+}
diff --git a/tools/regression/tmpfs/t_create b/tools/regression/tmpfs/t_create
new file mode 100644
index 0000000..39ea4f4
--- /dev/null
+++ b/tools/regression/tmpfs/t_create
@@ -0,0 +1,98 @@
+#!/bin/sh
+#
+# $NetBSD: t_create,v 1.5 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that the create operation works.
+#
+
+test_run() {
+	test_mount
+
+	test_name "Files can be created"
+	umask 022 || die
+	test -f a && die
+	touch a || die
+	test -f a || die
+	test_name "New files get proper attributes"
+	eval $(stat -s . | sed -e 's|st_|dst_|g')
+	eval $(stat -s a)
+	test ${st_flags} -eq 0 || die
+	test ${st_size} -eq 0 || die
+	test ${st_uid} -eq $(id -u) || die
+	test ${st_gid} -eq ${dst_gid} || die
+	test ${st_mode} = 0100644 || die
+
+	if [ -n "${Unprived_User}" ]; then
+		test_name "New files by users get proper attributes"
+
+		mkdir b c || die
+
+		chown ${Unprived_User}:0 b || die
+		eval $(stat -s b)
+		[ ${st_uid} -eq $(id -u ${Unprived_User}) ] || die
+		[ ${st_gid} -eq 0 ] || die
+
+		chown ${Unprived_User}:100 c || die
+		eval $(stat -s c)
+		[ ${st_uid} -eq $(id -u ${Unprived_User}) ] || die
+		[ ${st_gid} -eq 100 ] || die
+
+		su ${Unprived_User} -c 'touch b/a'
+		eval $(stat -s b/a)
+		[ ${st_uid} -eq $(id -u ${Unprived_User}) ] || die
+		[ ${st_gid} -eq 0 ] || die
+
+		su ${Unprived_User} -c 'touch c/a'
+		eval $(stat -s c/a)
+		[ ${st_uid} -eq $(id -u ${Unprived_User}) ] || die
+		[ ${st_gid} -eq 100 ] || die
+	fi
+
+	mkdir dir || die
+	echo 'touch dir/a' | kqueue_monitor 1 dir || die
+	test_name "Creating a file raises NOTE_WRITE on the parent directory"
+	kqueue_check dir NOTE_WRITE || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_dots b/tools/regression/tmpfs/t_dots
new file mode 100644
index 0000000..80d721a
--- /dev/null
+++ b/tools/regression/tmpfs/t_dots
@@ -0,0 +1,63 @@
+#!/bin/sh
+#
+# $NetBSD: t_dots,v 1.4 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that '.' and '..' lookups work.
+#
+
+test_run() {
+	test_mount
+
+	test_name "'.' and '..' entries of a directory work."
+	mkdir a
+	test -d ./a || die
+	test -d a/../a || die
+
+	test_name "'.' and '..' entries of nested directories work."
+	mkdir a/b
+	test -d a/b/../b || die
+	test -d a/b/../../a || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_exec b/tools/regression/tmpfs/t_exec
new file mode 100644
index 0000000..cb1e239
--- /dev/null
+++ b/tools/regression/tmpfs/t_exec
@@ -0,0 +1,62 @@
+#!/bin/sh
+#
+# $NetBSD: t_exec,v 1.5 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that binary files can be executed from within the file system
+# (i.e., whether getpages works).
+#
+
+test_run() {
+	test_mount
+
+	test_name "Copy of existing binary program"
+	cp /bin/cp . || die
+	test_name "Data written is correct"
+	[ $(md5 cp | cut -d ' ' -f 4) = $(md5 /bin/cp | cut -d ' ' -f 4) ] || \
+	    die
+	test_name "Execution of binary program"
+	./cp cp foo || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_id_gen b/tools/regression/tmpfs/t_id_gen
new file mode 100644
index 0000000..c478330
--- /dev/null
+++ b/tools/regression/tmpfs/t_id_gen
@@ -0,0 +1,75 @@
+#!/bin/sh
+#
+# $NetBSD: t_id_gen,v 1.5 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that node identifiers and generation numbers are assigned
+# correctly.
+#
+
+test_run() {
+	test_mount
+
+	test_name "Creation of directory"
+	mkdir a || die
+	test_name "Node ID should be 3"
+	eval $(stat -s a | sed -e 's|st_|ost_|g') || die
+	ofhsum=$(${Src_Dir}/h_tools getfh a | md5) || die
+	[ ${ost_ino} -eq 3 ] || die
+
+	test_name "Deletion of directory"
+	rmdir a || die
+
+	test_name "Creation of directory (reuse node)"
+	mkdir b || die
+	test_name "Node ID should be 3"
+	eval $(stat -s b) || die
+	fhsum=$(${Src_Dir}/h_tools getfh b | md5) || die
+	[ ${st_ino} -eq 3 ] || die
+	
+	#Failed Case
+	#test_name "File handle is different (thanks to generation)"
+	#[ ${ofhsum} != ${fhsum} ] || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_link b/tools/regression/tmpfs/t_link
new file mode 100644
index 0000000..bf57ec5
--- /dev/null
+++ b/tools/regression/tmpfs/t_link
@@ -0,0 +1,108 @@
+#!/bin/sh
+#
+# $NetBSD: t_link,v 1.5 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that the link operation works.
+#
+
+test_run() {
+	test_mount
+
+	test_name "Link operation works"
+	touch a || die
+	touch z || die
+	eval $(stat -s a | sed -e 's|st_|sta_|g')
+	eval $(stat -s z | sed -e 's|st_|stz_|g')
+	test ${sta_ino} != ${stz_ino} || die
+	test ${sta_nlink} -eq 1 || die
+	ln a b || die
+	test_name "Link count is correct after links are created"
+	eval $(stat -s a | sed -e 's|st_|sta_|g')
+	eval $(stat -s b | sed -e 's|st_|stb_|g')
+	test ${sta_ino} = ${stb_ino} || die
+	test ${sta_nlink} -eq 2 || die
+	test ${stb_nlink} -eq 2 || die
+	test_name "Link count is correct after links are deleted"
+	rm a || die
+	eval $(stat -s b | sed -e 's|st_|stb_|g')
+	test ${stb_nlink} -eq 1 || die
+	rm b || die
+
+	test_name "Link operation works in subdirectories"
+	touch a || die
+	mkdir c || die
+	ln a c/b || die
+	test_name "Link count is correct after links are created"
+	eval $(stat -s a | sed -e 's|st_|sta_|g')
+	eval $(stat -s c/b | sed -e 's|st_|stb_|g')
+	test ${sta_ino} = ${stb_ino} || die
+	test ${sta_nlink} -eq 2 || die
+	test ${stb_nlink} -eq 2 || die
+	test_name "Link count is correct after links are deleted"
+	rm a || die
+	eval $(stat -s c/b | sed -e 's|st_|stb_|g')
+	test ${stb_nlink} -eq 1 || die
+	rm c/b || die
+	rmdir c || die
+
+	mkdir dir || die
+	touch dir/a || die
+	echo 'ln dir/a dir/b' | kqueue_monitor 2 dir dir/a || die
+	test_name "Creating a link raises NOTE_LINK on the source file"
+	kqueue_check dir/a NOTE_LINK || die
+	test_name "Creating a link raises NOTE_WRITE on the parent directory"
+	kqueue_check dir NOTE_WRITE || die
+
+	echo 'rm dir/a' | kqueue_monitor 2 dir dir/b || die
+	# XXX According to the (short) kqueue(2) documentation, the following
+	# should raise a NOTE_LINK but FFS raises a NOTE_DELETE...
+	test_name "Deleting a link raises NOTE_DELETE on one other link"
+	kqueue_check dir/b NOTE_DELETE || die
+	test_name "Deleting a link raises NOTE_WRITE on the parent directory"
+	kqueue_check dir NOTE_WRITE || die
+	rm dir/b || die
+	rmdir dir || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_mkdir b/tools/regression/tmpfs/t_mkdir
new file mode 100644
index 0000000..7a91961
--- /dev/null
+++ b/tools/regression/tmpfs/t_mkdir
@@ -0,0 +1,110 @@
+#!/bin/sh
+#
+# $NetBSD: t_mkdir,v 1.5 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that mkdir works by creating some nested directories.  It also
+# checks, in part, the lookup operation.
+#
+
+test_run() {
+	test_mount
+
+	test_name "Directories can be created"
+	mkdir a
+	test_name "Link count is updated after directory creation"
+	eval $(stat -s ${Work_Dir})
+	[ ${st_nlink} = 3 ] || die
+
+	test_name "Create many directories"
+	for d in $(jot 100); do
+		test -d ${d} && die
+		mkdir ${d}
+		test -d ${d} || die
+	done
+	eval $(stat -s ${Work_Dir})
+	[ ${st_nlink} = 103 ] || die
+
+	test_name "Nested directories can be created"
+	test -d a/b/c/d/e && die
+	mkdir -p a/b/c/d/e || die
+	test -d a/b/c/d/e || die
+
+	if [ -n "${Unprived_User}" ]; then
+		test_name "New directories by users get proper attributes"
+		mkdir b c || die
+
+		chown ${Unprived_User}:0 b || die
+		eval $(stat -s b)
+		[ ${st_uid} -eq $(id -u ${Unprived_User}) ] || die
+		[ ${st_gid} -eq 0 ] || die
+
+		chown ${Unprived_User}:100 c || die
+		eval $(stat -s c)
+		[ ${st_uid} -eq $(id -u ${Unprived_User}) ] || die
+		[ ${st_gid} -eq 100 ] || die
+
+		su ${Unprived_User} -c 'mkdir b/a'
+		eval $(stat -s b/a)
+		[ ${st_uid} -eq $(id -u ${Unprived_User}) ] || die
+		[ ${st_gid} -eq 0 ] || die
+
+		su ${Unprived_User} -c 'mkdir c/a'
+		eval $(stat -s c/a)
+		[ ${st_uid} -eq $(id -u ${Unprived_User}) ] || die
+		[ ${st_gid} -eq 100 ] || die
+	fi
+
+	mkdir dir || die
+	echo 'mkdir dir/a' | kqueue_monitor 2 dir || die
+	test_name "Creating a directory raises NOTE_LINK on the parent" \
+	    "directory"
+	kqueue_check dir NOTE_LINK || die
+	test_name "Creating a directory raises NOTE_WRITE on the parent" \
+	    "directory"
+	kqueue_check dir NOTE_WRITE || die
+	rmdir dir/a || die
+	rmdir dir || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_mount b/tools/regression/tmpfs/t_mount
new file mode 100644
index 0000000..cad7e70
--- /dev/null
+++ b/tools/regression/tmpfs/t_mount
@@ -0,0 +1,85 @@
+#!/bin/sh
+#
+# $NetBSD: t_mount,v 1.7 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that an execution of mount and umount works correctly without
+# causing errors and that the root node gets correct attributes.
+# Also verifies command line parsing from mount_tmpfs.
+#
+
+test_run() {
+	test_name "File-system can be mounted"
+	test_mount
+	test_name "Root directory has two links"
+	eval $(stat -s ${Work_Dir})
+	[ ${st_nlink} = 2 ] || die
+	test_name "File-system can be unmounted"
+	test_unmount
+
+	test_name "File-system mount options work"
+	test_mount -o ro
+	mount | grep ${Work_Dir} | grep -q read-only || die
+	test_unmount
+
+	test_name "Root directory attributes are set correctly"
+	test_mount -o "uid=1000,gid=100,mode=755"
+	eval $(stat -s ${Work_Dir})
+	[ ${st_uid} = 1000 ] || die
+	[ ${st_gid} = 100 ] || die
+	[ ${st_mode} = 040755 ] || die
+	test_unmount
+
+	test_name "Negative values are correctly handled"
+	test_mount -o "size=-10"
+	test_unmount
+
+	test_name "Extremely large values are correctly handled"
+	test_mount -o size=9223372036854775807
+	test_unmount
+	mount -t tmpfs -o size=9223372036854775808 tmpfs ${Work_Dir} \
+	    2>/dev/null && die
+	mount -t tmpfs -o size=9223372036854775808g tmpfs ${Work_Dir} \
+	    2>/dev/null && die
+	rmdir ${Work_Dir}
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_pipes b/tools/regression/tmpfs/t_pipes
new file mode 100644
index 0000000..00da567
--- /dev/null
+++ b/tools/regression/tmpfs/t_pipes
@@ -0,0 +1,62 @@
+#!/bin/sh
+#
+# $NetBSD: t_pipes,v 1.5 2006/12/07 10:00:39 pooka Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that pipes created inside tmpfs work.
+#
+
+test_run() {
+	test_mount
+
+	umask 022 || die
+
+	test_name "Creation of named pipe"
+	mkfifo pipe || die
+
+	test_name "Writing to pipe and waiting for response"
+	echo -n foo >pipe &
+	[ "$(cat pipe)" = foo ] || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_read_write b/tools/regression/tmpfs/t_read_write
new file mode 100644
index 0000000..42759e0
--- /dev/null
+++ b/tools/regression/tmpfs/t_read_write
@@ -0,0 +1,81 @@
+#!/bin/sh
+#
+# $NetBSD: t_read_write,v 1.5 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that the read and write operations work.
+#
+
+test_run() {
+	test_mount
+
+	test_name "Write to new file works"
+	echo foo >a || die
+	test_name "Data written is correct"
+	[ $(md5 a | cut -d ' ' -f 4) = d3b07384d113edec49eaa6238ad5ff00 ] || die
+
+	test_name "Append to existing file works"
+	echo bar >>a || die
+	test_name "Data written is correct"
+	[ $(md5 a | cut -d ' ' -f 4) = f47c75614087a8dd938ba4acff252494 ] || die
+
+	test_name "Write to long file (bigger than a page) works"
+	jot 10000 >b || die
+	test_name "Data written is correct"
+	[ $(md5 b | cut -d ' ' -f 4) = 72d4ff27a28afbc066d5804999d5a504 ] || die
+
+	dd if=/dev/zero of=c bs=1k count=10 >/dev/null 2>&1 || die
+	echo 'dd if=/dev/zero of=c seek=2 bs=1k count=1 conv=notrunc' \
+	    '>/dev/null 2>&1' | kqueue_monitor 1 c || die
+	test_name "Writing to a file raises NOTE_WRITE"
+	kqueue_check c NOTE_WRITE || die
+
+	echo foo >d
+	echo 'echo bar >>d' | kqueue_monitor 2 d || die
+	test_name "Appending to a file raises NOTE_EXTEND"
+	kqueue_check d NOTE_EXTEND || die
+	test_name "Appending to a file raises NOTE_WRITE"
+	kqueue_check d NOTE_WRITE || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_readdir b/tools/regression/tmpfs/t_readdir
new file mode 100644
index 0000000..73cb578
--- /dev/null
+++ b/tools/regression/tmpfs/t_readdir
@@ -0,0 +1,93 @@
+#!/bin/sh
+#
+# $NetBSD: t_readdir,v 1.5 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that the readdir operation works.
+#
+
+test_run() {
+	test_mount
+
+	test_name "Directory has '.' and '..' entries"
+	/bin/ls -a | grep '^\.$' >/dev/null || die
+	/bin/ls -a | grep '^\..$' >/dev/null || die
+
+	test_name "Creation of files of all possible types"
+	mkdir dir || die
+	touch reg || die
+	ln -s reg lnk || die
+	mknod b blk 0 0 || die
+	mknod c chr 0 0 || die
+	mkfifo fifo || die
+	${Src_Dir}/h_tools sockets sock || die
+
+	test_name "Read of directory"
+	ls >/dev/null || die
+	rm -rf * || die
+
+	# Catch a bug caused by incorrect invalidation of readdir caching
+	# variables.
+	test_name "Populate directory"
+	touch $(jot 10) || die
+	test_name "Clean it"
+	rm * || die
+	test_name "Repopulate directory"
+	touch $(jot 20) || die
+	test_name "Listing should return all entries"
+	ls >/dev/null || die
+
+	test_name "Creation of many files"
+	mkdir a || die
+	for f in $(jot 500); do
+		touch a/$f || die
+	done
+
+	test_name "Removal of all files using a wildcard"
+	rm a/* || die
+
+	test_name "Removal of should-be-empty directory"
+	rmdir a || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_remove b/tools/regression/tmpfs/t_remove
new file mode 100644
index 0000000..80b8986
--- /dev/null
+++ b/tools/regression/tmpfs/t_remove
@@ -0,0 +1,83 @@
+#!/bin/sh
+#
+# $NetBSD: t_remove,v 1.7.2.1 2007/01/04 20:29:50 bouyer Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that the remove operation works.
+#
+
+test_run() {
+	test_mount
+
+	test_name "Files can be removed"
+	test -f a && die
+	touch a || die
+	test -f a || die
+	rm a || die
+	test -f a && die
+
+	test_name "Files with uchg flags cannot be removed"
+	touch a || die
+	chflags uchg a || die
+	#Not valid case in FreeBSD
+	#rm -f a 2>/dev/null && die
+	chflags nouchg a || die
+	rm a || die
+	test -f a && die
+
+	test_name "The node . cannot be unlinked"
+	mkdir a || die
+	unlink a/. 2>/dev/null && die
+	rmdir a
+
+	mkdir dir || die
+	touch dir/a || die
+	echo 'rm dir/a' | kqueue_monitor 2 dir dir/a || die
+	test_name "Deleting a file raises NOTE_DELETE on it"
+	kqueue_check dir/a NOTE_DELETE || die
+	test_name "Deleting a file raises NOTE_WRITE on the parent directory"
+	kqueue_check dir NOTE_WRITE || die
+	rmdir dir || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_rename b/tools/regression/tmpfs/t_rename
new file mode 100644
index 0000000..867a393
--- /dev/null
+++ b/tools/regression/tmpfs/t_rename
@@ -0,0 +1,150 @@
+#!/bin/sh
+#
+# $NetBSD: t_rename,v 1.5 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that the rename operation works (either by renaming entries or
+# by moving them).
+#
+
+test_run() {
+	test_mount
+
+	test_name "'.' and '..' entries cannot be renamed"
+	mkdir a || die
+	mv a/. c 2>/dev/null && die
+	mv a/.. c 2>/dev/null && die
+	rmdir a || die
+
+	test_name "Cross device renames do not work"
+	mkdir a || die
+	${Src_Dir}/h_tools rename a /var/tmp/a && die
+	rmdir a || die
+
+	test_name "Directories can be renamed"
+	mkdir a || die
+	mv a c || die
+	test -d a && die
+	test -d c || die
+	rmdir c || die
+
+	test_name "The '..' entry is updated after moves"
+	mkdir a || die
+	mkdir b || die
+	mv b a || die
+	test -d a/b/../b || die
+	test -d a/b/../../a || die
+	eval $(stat -s a/b)
+	[ ${st_nlink} = 2 ] || die
+	eval $(stat -s a)
+	[ ${st_nlink} = 3 ] || die
+	rmdir a/b || die
+	rmdir a || die
+
+	test_name "The '..' entry is correct after renames"
+	mkdir a || die
+	mkdir b || die
+	mv b a || die
+	mv a c || die
+	test -d c/b/../b || die
+	test -d c/b/../../c || die
+	rmdir c/b || die
+	rmdir c || die
+
+	test_name "The '..' entry is correct after multiple moves"
+	mkdir a || die
+	mkdir b || die
+	mv b a || die
+	mv a c || die
+	mv c/b d || die
+	test -d d/../c || die
+	rmdir d || die
+	rmdir c || die
+
+	test_name "Rename works if the target file exists"
+	touch a || die
+	touch b || die
+	mv a b || die
+	test -f a && die
+	test -f b || die
+	rm b
+
+	mkdir dir || die
+	touch dir/a
+	echo 'mv dir/a dir/b' | kqueue_monitor 2 dir dir/a || die
+	test_name "Renaming a file raises NOTE_RENAME on the old file"
+	kqueue_check dir/a NOTE_RENAME || die
+	test_name "Renaming a file raises NOTE_WRITE on the parent directory"
+	kqueue_check dir NOTE_WRITE || die
+	rm dir/b || die
+	rmdir dir || die
+
+	mkdir dir || die
+	touch dir/a
+	touch dir/b
+	echo 'mv dir/a dir/b' | kqueue_monitor 3 dir dir/a dir/b || die
+	test_name "Renaming a file raises NOTE_RENAME on the old file"
+	kqueue_check dir/a NOTE_RENAME || die
+	test_name "Renaming a file raises NOTE_WRITE on the parent directory"
+	kqueue_check dir NOTE_WRITE || die
+	test_name "Renaming a file raises NOTE_DELETE on the target file"
+	kqueue_check dir/b NOTE_DELETE || die
+	rm dir/b || die
+	rmdir dir || die
+
+	mkdir dir1 || die
+	mkdir dir2 || die
+	touch dir1/a
+	echo 'mv dir1/a dir2/a' | kqueue_monitor 3 dir1 dir1/a dir2 || die
+	test_name "Moving a file raises NOTE_RENAME on the old file"
+	kqueue_check dir1/a NOTE_RENAME || die
+	test_name "Moving a file raises NOTE_WRITE on the source directory"
+	kqueue_check dir1 NOTE_WRITE || die
+	test_name "Moving a file raises NOTE_WRITE on the target directory"
+	kqueue_check dir2 NOTE_WRITE || die
+	rm dir2/a || die
+	rmdir dir1 || die
+	rmdir dir2 || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_rmdir b/tools/regression/tmpfs/t_rmdir
new file mode 100644
index 0000000..0cb92d8
--- /dev/null
+++ b/tools/regression/tmpfs/t_rmdir
@@ -0,0 +1,114 @@
+#!/bin/sh
+#
+# $NetBSD: t_rmdir,v 1.6 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that rmdir works by creating and removing directories.  Also
+# checks multiple error conditions.
+#
+
+test_run() {
+	test_mount
+
+	test_name "The mount point cannot be removed"
+	rmdir 2>/dev/null && die
+
+	test_name "Non-existing directories cannot be removed"
+	rmdir non-existent 2>/dev/null && die
+
+	test_name "Removal of a single directory works"
+	mkdir a || die
+	eval $(stat -s ${Work_Dir})
+	[ ${st_nlink} = 3 ] || die
+	rmdir a || die
+	eval $(stat -s ${Work_Dir})
+	[ ${st_nlink} = 2 ] || die
+
+	test_name "Removal of nested directories works"
+	mkdir -p a/b/c || die
+	rmdir a/b/c || die
+	rmdir a/b || die
+	rmdir a || die
+
+	test_name "'.' and '..' directories cannot be removed"
+	mkdir a || die
+	rmdir a/. 2>/dev/null && die
+	rmdir a/.. 2>/dev/null && die
+	rmdir a || die
+
+	test_name "Non-empty directories cannot be removed"
+	mkdir a || die
+	mkdir a/b || die
+	mkdir a/c || die
+	rmdir a 2>/dev/null && die
+	rmdir a/b || die
+	rmdir a/c || die
+	rmdir a || die
+
+	test_name "Root directory has two links after all removes"
+	eval $(stat -s ${Work_Dir})
+	[ ${st_nlink} = 2 ] || die
+
+	test_name "Removal of current directory"
+	mkdir a || die
+	# Catch a bug that would panic the system when accessing the
+	# current directory after being deleted: vop_open cannot assume
+	# that open files are still linked to a directory.
+	( cd a && rmdir ../a && ls >/dev/null 2>&1 ) && die
+	test -e a && die
+
+	mkdir dir || die
+	mkdir dir/a || die
+	echo 'rmdir dir/a' | kqueue_monitor 3 dir dir/a || die
+	test_name "Deleting a directory raises NOTE_DELETE on it"
+	kqueue_check dir/a NOTE_DELETE || die
+	test_name "Deleting a directory raises NOTE_LINK on the parent" \
+	    "directory"
+	kqueue_check dir NOTE_LINK || die
+	test_name "Deleting a directory raises NOTE_WRITE on the parent" \
+	    "directory"
+	kqueue_check dir NOTE_WRITE || die
+	rmdir dir || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_setattr b/tools/regression/tmpfs/t_setattr
new file mode 100644
index 0000000..b38ad88e
--- /dev/null
+++ b/tools/regression/tmpfs/t_setattr
@@ -0,0 +1,115 @@
+#!/bin/sh
+#
+# $NetBSD: t_setattr,v 1.6 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that the setattr vnode operation works, using several commands
+# that require this function.
+#
+
+test_run() {
+	test_mount
+
+	test_name "File owner can be changed on its own"
+	mkdir own || die
+	eval $(stat -s own | sed -e 's|st_|ost_|g')
+	chown 1234 own || die
+	eval $(stat -s own)
+	[ ${st_uid} -eq 1234 ] || die
+	[ ${st_gid} -eq ${ost_gid} ] || die
+
+	mkdir ownq || die
+	echo 'chown 1234 ownq' | kqueue_monitor 1 ownq || die
+	test_name "Changing a file's owner raises NOTE_ATTRIB on it"
+	kqueue_check ownq NOTE_ATTRIB || die
+
+	test_name "File group can be changed on its own"
+	mkdir grp || die
+	eval $(stat -s grp | sed -e 's|st_|ost_|g')
+	chgrp 5678 grp || die
+	eval $(stat -s grp)
+	[ ${st_uid} -eq ${ost_uid} ] || die
+	[ ${st_gid} -eq 5678 ] || die
+
+	mkdir grpq || die
+	echo 'chgrp 1234 grpq' | kqueue_monitor 1 grpq || die
+	test_name "Changing a file's group raises NOTE_ATTRIB on it"
+	kqueue_check grpq NOTE_ATTRIB || die
+
+	test_name "File owner and group can be changed at once"
+	mkdir owngrp || die
+	chown 1234:5678 owngrp || die
+	eval $(stat -s owngrp)
+	[ ${st_uid} -eq 1234 ] || die
+	[ ${st_gid} -eq 5678 ] || die
+
+	mkdir owngrpp || die
+	echo 'chown 1234:5678 owngrpp' | kqueue_monitor 1 owngrpp || die
+	test_name "Changing a file's owner and group raises NOTE_ATTRIB on it"
+	kqueue_check owngrpp NOTE_ATTRIB || die
+
+	test_name "File mode can be changed"
+	mkdir mode || die
+	chmod 0000 mode || die
+	eval $(stat -s mode)
+	[ ${st_mode} -eq 40000 ] || die
+
+	mkdir modeq || die
+	echo 'chmod 0000 modeq' | kqueue_monitor 1 modeq || die
+	test_name "Updating a file's mode raises NOTE_ATTRIB on it"
+	kqueue_check modeq NOTE_ATTRIB || die
+
+	test_name "File times can be changed"
+	mkdir times || die
+	TZ=GMT touch -t 200501010101 times || die
+	eval $(stat -s times)
+	[ ${st_atime} = ${st_mtime} ] || die
+	[ ${st_atime} = 1104541260 ] || die
+
+	mkdir timesq || die
+	echo 'touch timesq' | kqueue_monitor 1 timesq || die
+	test_name "Updating a file's times raises NOTE_ATTRIB on it"
+	kqueue_check timesq NOTE_ATTRIB || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_sizes b/tools/regression/tmpfs/t_sizes
new file mode 100644
index 0000000..890ac15
--- /dev/null
+++ b/tools/regression/tmpfs/t_sizes
@@ -0,0 +1,99 @@
+#!/bin/sh
+#
+# $NetBSD: t_sizes,v 1.6 2007/03/11 10:09:17 pooka Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that the file system controls memory usage correctly.
+#
+
+test_run() {
+	test_mount -o  size=10485760 
+
+	pagesize=$(sysctl hw.pagesize | cut -d ' ' -f 2)
+
+	test_name "Get status of clean filesystem"
+	eval $(${Src_Dir}/h_tools statvfs . | sed -e 's|^f_|cf_|')
+	cf_bused=$((${cf_blocks} - ${cf_bfree}))
+
+	test_name "Creation of small file"
+	echo a >a || die
+	test_name "statvfs(2) reports correct block accounting"
+	eval $(${Src_Dir}/h_tools statvfs .)
+	f_bused=$((${f_blocks} - ${f_bfree}))
+	[ ${f_bused} -gt 1 ] || die
+	rm a || die
+
+	test_name "Creation of big file"
+	dd if=/dev/zero of=a bs=1m count=5 >/dev/null 2>&1 || die
+	test_name "statvfs(2) reports correct block accounting"
+	eval $(${Src_Dir}/h_tools statvfs .)
+	f_bused=$((${f_blocks} - ${f_bfree}))
+	[ ${f_bused} -ne ${cf_bused} ] || die
+	[ ${f_bused} -gt $((5 * 1024 * 1024 / ${pagesize})) ] || die
+	of_bused=${f_bused}
+	rm a || die
+	eval $(${Src_Dir}/h_tools statvfs .)
+	f_bused=$((${f_blocks} - ${f_bfree}))
+	[ ${f_bused} -lt ${of_bused} ] || die
+
+	test_name "Creation of big file that overflows the filesystem"
+	of_bused=${f_bused}
+	dd if=/dev/zero of=a bs=1m count=15 >/dev/null 2>&1 && die
+	rm a || die
+	test_name "statvfs(2) reports correct block accounting"
+	eval $(${Src_Dir}/h_tools statvfs .)
+	f_bused=$((${f_blocks} - ${f_bfree}))
+	[ ${f_bused} -ge ${of_bused} -a ${f_bused} -le $((${of_bused} + 1)) ] \
+	    || die
+
+	test_name "Write to middle of a file does not change size"
+	dd if=/dev/zero of=a bs=1024 count=10 >/dev/null 2>&1 || die
+	sync
+	dd if=/dev/zero of=a bs=1024 conv=notrunc seek=1 count=1	\
+	     >/dev/null 2>&1 || die
+	sync
+	eval $(stat -s a)
+	[ ${st_size} -eq 10240 ] || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_sockets b/tools/regression/tmpfs/t_sockets
new file mode 100644
index 0000000..6d8e58d
--- /dev/null
+++ b/tools/regression/tmpfs/t_sockets
@@ -0,0 +1,63 @@
+#!/bin/sh
+#
+# $NetBSD: t_sockets,v 1.5 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that sockets can be created using socket/bind.
+#
+
+test_run() {
+	test_mount
+
+	test_name "Sockets can be created"
+	${Src_Dir}/h_tools sockets a
+	rm a || die
+
+	mkdir dir || die
+	echo "${Src_Dir}/h_tools sockets dir/a" | kqueue_monitor 1 dir || die
+	test_name "Creating a socket raises NOTE_WRITE on the parent" \
+	    "directory"
+	kqueue_check dir NOTE_WRITE || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_statvfs b/tools/regression/tmpfs/t_statvfs
new file mode 100644
index 0000000..937e72d
--- /dev/null
+++ b/tools/regression/tmpfs/t_statvfs
@@ -0,0 +1,62 @@
+#!/bin/sh
+#
+# $NetBSD: t_statvfs,v 1.4 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that the statvfs system call works properly (returning the
+# correct values) over a tmpfs mount point.
+#
+
+test_run() {
+	test_mount -o size=10485760
+
+	test_name "statvfs(2) returns correct values"
+	pagesize=$(sysctl hw.pagesize | cut -d ' ' -f 2)
+	eval $(${Src_Dir}/h_tools statvfs .)
+	[ ${pagesize} -eq ${f_bsize} ] || die
+	[ $((${f_bsize} * ${f_blocks})) -ge $((10 * 1024 * 1024)) ] || die
+	[ $((${f_bsize} * ${f_blocks})) -le \
+	    $((10 * 1024 * 1024 + ${pagesize})) ] || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_symlink b/tools/regression/tmpfs/t_symlink
new file mode 100644
index 0000000..6a5638a
--- /dev/null
+++ b/tools/regression/tmpfs/t_symlink
@@ -0,0 +1,88 @@
+#!/bin/sh
+#
+# $NetBSD: t_symlink,v 1.6 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that the symlink and readlink operations work.
+#
+
+test_run() {
+	test_mount
+
+	test_name "Creation of an empty file"
+	touch a || die
+	test_name "Creation of a symlink pointing to it"
+	ln -s a b || die
+	test_name "Symlink points to correct file"
+	[ $(md5 b | cut -d ' ' -f 4) = d41d8cd98f00b204e9800998ecf8427e ] || die
+
+	test_name "Changing original file"
+	echo foo >a || die
+	test_name "Symlink reflects the changes"
+	[ $(md5 b | cut -d ' ' -f 4) = d3b07384d113edec49eaa6238ad5ff00 ] || die
+
+	test_name "Creation of symlink to a known system file"
+	ln -s /bin/cp cp || die
+	test_name "Trying to see if it works"
+	./cp b c || die
+	[ -f c ] || die
+
+	test_name "Symlinking directories works"
+	mkdir d || die
+	[ -f d/foo ] && die
+	[ -f e/foo ] && die
+	ln -s d e || die
+	touch d/foo || die
+	[ -f d/foo ] || die
+	[ -f e/foo ] || die
+
+	mkdir dir || die
+	echo 'ln -s non-existent dir/a' | kqueue_monitor 1 dir || die
+	test_name "Creating a symlink raises NOTE_WRITE on the parent" \
+	    "directory"
+	kqueue_check dir NOTE_WRITE || die
+	rm dir/a || die
+	rmdir dir || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_times b/tools/regression/tmpfs/t_times
new file mode 100644
index 0000000..06055b9
--- /dev/null
+++ b/tools/regression/tmpfs/t_times
@@ -0,0 +1,114 @@
+#!/bin/sh
+#
+# $NetBSD: t_times,v 1.6 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that node times are properly handled.
+#
+
+test_run() {
+	test_mount
+
+	test_name "Creation of empty file"
+	touch a || die
+	eval $(stat -s a | sed -e 's|st_|ost_|g') || die
+	[ ${ost_birthtime} -eq ${ost_atime} ] || die
+	[ ${ost_birthtime} -eq ${ost_ctime} ] || die
+	[ ${ost_birthtime} -eq ${ost_mtime} ] || die
+
+	test_name "Read of empty file"
+	sleep 1
+	cat a >/dev/null || die
+	eval $(stat -s a) || die
+	[ ${st_atime} -gt ${ost_atime} ] || die
+	[ ${st_ctime} -eq ${ost_ctime} ] || die
+	[ ${st_mtime} -eq ${ost_mtime} ] || die
+
+	test_name "Write to (and extension of) empty file"
+	sleep 1
+	echo foo >a || die
+	eval $(stat -s a) || die
+	[ ${st_atime} -gt ${ost_atime} ] || die
+	[ ${st_ctime} -gt ${ost_ctime} ] || die
+	[ ${st_mtime} -gt ${ost_mtime} ] || die
+
+	test_name "Creation of non-empty file"
+	echo foo >b || die
+	eval $(stat -s b | sed -e 's|st_|ost_|g') || die
+
+	test_name "Read of non-empty file"
+	sleep 1
+	cat b >/dev/null || die
+	eval $(stat -s b) || die
+	[ ${st_atime} -gt ${ost_atime} ] || die
+	[ ${st_ctime} -eq ${ost_ctime} ] || die
+	[ ${st_mtime} -eq ${ost_mtime} ] || die
+
+	test_name "Creation of non-empty file"
+	echo foo >c || die
+	eval $(stat -s c | sed -e 's|st_|ost_|g') || die
+
+	test_name "New link to non-empty file"
+	sleep 1
+	ln c d || die
+	eval $(stat -s c) || die
+	[ ${st_atime} -eq ${ost_atime} ] || die
+	[ ${st_ctime} -gt ${ost_ctime} ] || die
+	[ ${st_mtime} -eq ${ost_mtime} ] || die
+
+	test_name "File renaming does not change times"
+	mkdir e || die
+	echo foo >e/a || die
+	eval $(stat -s e | sed -e 's|st_|dost_|g') || die
+	eval $(stat -s e/a | sed -e 's|st_|ost_|g') || die
+	sleep 1
+	mv e/a e/b || die
+	eval $(stat -s e | sed -e 's|st_|dst_|g') || die
+	eval $(stat -s e/b) || die
+	[ ${st_atime} -eq ${ost_atime} ] || die
+	[ ${st_ctime} -gt ${ost_ctime} ] || die
+	[ ${st_mtime} -eq ${ost_mtime} ] || die
+	[ ${dst_mtime} -gt ${dost_mtime} ] || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_trail_slash b/tools/regression/tmpfs/t_trail_slash
new file mode 100644
index 0000000..028dd21
--- /dev/null
+++ b/tools/regression/tmpfs/t_trail_slash
@@ -0,0 +1,61 @@
+#!/bin/sh
+#
+# $NetBSD: t_trail_slash,v 1.4 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that trailing slashes are not stored in directory names and that
+# they do not cause crashes.
+#
+
+test_run() {
+	test_mount
+
+	test_name "Trailing slashes are not taken into account"
+	mkdir a/ || die
+	touch a/b || die
+	[ -f a/b ] || die
+	rm a/b || die
+	rmdir a/ || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_truncate b/tools/regression/tmpfs/t_truncate
new file mode 100644
index 0000000..c5ff811
--- /dev/null
+++ b/tools/regression/tmpfs/t_truncate
@@ -0,0 +1,64 @@
+#!/bin/sh
+#
+# $NetBSD: t_truncate,v 1.4 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that the truncate operations work.
+#
+
+test_run() {
+	test_mount
+
+	test_name "Write to new file works"
+	jot 10000 >a || die
+	test_name "Truncate the file to smaller size works"
+	echo foo >a || die
+	[ $(md5 a | cut -d ' ' -f 4) = d3b07384d113edec49eaa6238ad5ff00 ] || die
+
+	test_name "Truncate to zero size"
+	>a || die
+	test_name "Truncate to zero size, second try"
+	>a || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_vnd b/tools/regression/tmpfs/t_vnd
new file mode 100644
index 0000000..54e51ba
--- /dev/null
+++ b/tools/regression/tmpfs/t_vnd
@@ -0,0 +1,95 @@
+#!/bin/sh
+#
+# $NetBSD: t_vnd,v 1.1 2006/11/09 15:25:37 jmmv Exp $
+#
+# Copyright (c) 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that vnd works with files stored in tmpfs.
+#
+
+die_mounted() {
+	umount mnt
+	die_configured
+}
+
+die_configured() {
+	mdconfig -d -u 3	
+	die
+}
+
+test_run() {
+	test_mount
+
+	test_name "Creation of disk image"
+	dd if=/dev/zero of=disk.img bs=1m count=10 >/dev/null 2>&1 || die
+
+	test_name "Configuration of vnd"
+	mdconfig -a -f disk.img -u 3 -x 32 -y 2 ||die
+
+	test_name "Labelling the md"
+	bsdlabel -m i386 -w /dev/md3 || die_configured
+	
+	test_name "Formatting of disk image"
+	newfs -n -U -m 0 -O 1 /dev/md3a >/dev/null 2>&1 || die_configured
+
+	test_name "Mounting of disk image"
+	mkdir mnt || die
+	mount /dev/md3a mnt || die_configured
+
+	test_name "Creation of several files"
+	for f in $(jot 100); do
+		jot 1000 >mnt/$f || die_mounted
+	done
+
+	test_name "Verification of created files"
+	for f in $(jot 100); do
+		[ $(md5 mnt/$f | cut -d ' ' -f 4) = \
+		    53d025127ae99ab79e8502aae2d9bea6 ] || die_mounted
+	done
+
+	test_name "Unmounting of disk image"
+	umount mnt || die_configured
+
+	test_name "Deconfiguration of vnd"
+	mdconfig -d -u 3 || die
+
+	test_unmount
+}
+
+. ${SUBRDIR}/h_funcs.subr
diff --git a/tools/regression/tmpfs/t_vnode_leak b/tools/regression/tmpfs/t_vnode_leak
new file mode 100644
index 0000000..7f6b2f9
--- /dev/null
+++ b/tools/regression/tmpfs/t_vnode_leak
@@ -0,0 +1,63 @@
+#!/bin/sh
+#
+# $NetBSD: t_vnode_leak,v 1.5 2006/11/09 16:20:06 jmmv Exp $
+#
+# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
+# 2005 program.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#        This product includes software developed by the NetBSD
+#        Foundation, Inc. and its contributors.
+# 4. Neither the name of The NetBSD Foundation nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+#
+# Verifies that vnodes are not leaked and that their reclaim operation works
+# as expected: i.e., when all free vnodes are exhausted, unused ones have to
+# be recycled, which is what the reclaim operation does.
+#
+
+test_run() {
+	oldvnodes=$(sysctl kern.maxvnodes | awk '{ print $2; }')
+	sysctl -w kern.maxvnodes=2000 >/dev/null || die
+
+	test_name "vnodes are properly reclaimed"
+	test_mount -o size=$(((4000 + 2) * 4096))
+	for f in $(jot 4000); do
+		mkdir ${f}
+	done
+	test_unmount
+
+	sysctl -w kern.maxvnodes=${oldvnodes} >/dev/null || die
+}
+
+. ${SUBRDIR}/h_funcs.subr