Please welcome ZFS - The last word in file systems.

ZFS file system was ported from OpenSolaris operating system. The code in under
CDDL license.

I'd like to thank all SUN developers that created this great piece of software.

Supported by:	Wheel LTD (http://www.wheel.pl/)
Supported by:	The FreeBSD Foundation (http://www.freebsdfoundation.org/)
Supported by:	Sentex (http://www.sentex.net/)

14 files changed, 1161 insertions, 0 deletions

diff --git a/cddl/compat/opensolaris/include/devid.h b/cddl/compat/opensolaris/include/devid.h
new file mode 100644
index 0000000..06839dd
--- /dev/null
+++ b/cddl/compat/opensolaris/include/devid.h
@@ -0,0 +1,49 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _OPENSOLARIS_DEVID_H_
+#define _OPENSOLARIS_DEVID_H_
+
+#include <sys/types.h>
+#include <stdlib.h>
+
+typedef int ddi_devid_t;
+
+typedef struct devid_nmlist {
+	char *devname;
+	dev_t dev;
+} devid_nmlist_t;
+
+static inline int devid_str_decode(char *devidstr, ddi_devid_t *retdevid, char **retminor_name) { abort(); }
+static inline int devid_deviceid_to_nmlist(char *search_path, ddi_devid_t devid, char *minor_name, devid_nmlist_t **retlist) { abort(); }
+static inline void devid_str_free(char *str) { abort(); }
+static inline void devid_free(ddi_devid_t devid) { abort(); }
+static inline void devid_free_nmlist(devid_nmlist_t *list) { abort(); }
+static inline int devid_get(int fd, ddi_devid_t *retdevid) { return -1; }
+static inline int devid_get_minor_name(int fd, char **retminor_name) { abort(); }
+static inline char *devid_str_encode(ddi_devid_t devid, char *minor_name) { abort(); }
+
+#endif	/* !_OPENSOLARIS_DEVID_H_ */
diff --git a/cddl/compat/opensolaris/include/fsshare.h b/cddl/compat/opensolaris/include/fsshare.h
new file mode 100644
index 0000000..11a8dbf0
--- /dev/null
+++ b/cddl/compat/opensolaris/include/fsshare.h
@@ -0,0 +1,35 @@
+/*-
+ * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _OPENSOLARIS_FSSHARE_H_
+#define _OPENSOLARIS_FSSHARE_H_
+
+int fsshare(const char *, const char *, const char *);
+int fsunshare(const char *, const char *);
+
+#endif	/* !_OPENSOLARIS_FSSHARE_H_ */
diff --git a/cddl/compat/opensolaris/include/libintl.h b/cddl/compat/opensolaris/include/libintl.h
new file mode 100644
index 0000000..5954344
--- /dev/null
+++ b/cddl/compat/opensolaris/include/libintl.h
@@ -0,0 +1,11 @@
+#ifndef	_LIBINTL_H_
+#define	_LIBINTL_H_
+
+#include <sys/cdefs.h>
+#include <stdio.h>
+
+#define	textdomain(domain)	0
+#define	gettext(...)		(__VA_ARGS__)
+#define	dgettext(domain, ...)	(__VA_ARGS__)
+
+#endif	/* !_SOLARIS_H_ */
diff --git a/cddl/compat/opensolaris/include/mnttab.h b/cddl/compat/opensolaris/include/mnttab.h
new file mode 100644
index 0000000..6e7d28c
--- /dev/null
+++ b/cddl/compat/opensolaris/include/mnttab.h
@@ -0,0 +1,19 @@
+#ifndef	_OPENSOLARIS_MNTTAB_H_
+#define	_OPENSOLARIS_MNTTAB_H_
+
+#include <stdio.h>
+#include <paths.h>
+
+#define	MNTTAB		_PATH_DEVNULL
+#define	MNT_LINE_MAX	1024
+
+struct mnttab {
+	char	*mnt_special;
+	char	*mnt_mountp;
+	char	*mnt_fstype;
+	char	*mnt_mntopts;
+};
+
+int getmntany(FILE *fd, struct mnttab *mgetp, struct mnttab *mrefp);
+
+#endif	/* !_OPENSOLARIS_MNTTAB_H_ */
diff --git a/cddl/compat/opensolaris/include/priv.h b/cddl/compat/opensolaris/include/priv.h
new file mode 100644
index 0000000..78eae1a
--- /dev/null
+++ b/cddl/compat/opensolaris/include/priv.h
@@ -0,0 +1,18 @@
+#ifndef	_OPENSOLARIS_PRIV_H_
+#define	_OPENSOLARIS_PRIV_H_
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <assert.h>
+
+#define	PRIV_SYS_CONFIG	0
+
+static __inline int
+priv_ineffect(priv)
+{
+
+	assert(priv == PRIV_SYS_CONFIG);
+	return (geteuid() == 0);
+}
+
+#endif	/* !_OPENSOLARIS_PRIV_H_ */
diff --git a/cddl/compat/opensolaris/include/solaris.h b/cddl/compat/opensolaris/include/solaris.h
new file mode 100644
index 0000000..fbdd8c6
--- /dev/null
+++ b/cddl/compat/opensolaris/include/solaris.h
@@ -0,0 +1,8 @@
+#ifndef	_SOLARIS_H_
+#define	_SOLARIS_H_
+
+#include <sys/ccompile.h>
+
+#define	dirent64	dirent
+
+#endif	/* !_SOLARIS_H_ */
diff --git a/cddl/compat/opensolaris/include/zone.h b/cddl/compat/opensolaris/include/zone.h
new file mode 100644
index 0000000..487f02f
--- /dev/null
+++ b/cddl/compat/opensolaris/include/zone.h
@@ -0,0 +1,6 @@
+#ifndef	_ZONE_H_
+#define	_ZONE_H_
+
+#include <sys/zone.h>
+
+#endif	/* !_ZONE_H_ */
diff --git a/cddl/compat/opensolaris/lib/libumem/umem.c b/cddl/compat/opensolaris/lib/libumem/umem.c
new file mode 100644
index 0000000..e9662ce
--- /dev/null
+++ b/cddl/compat/opensolaris/lib/libumem/umem.c
@@ -0,0 +1,167 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Ricardo Correia.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include <umem.h>
+#include <stdlib.h>
+#include <assert.h>
+
+static umem_nofail_callback_t *nofail_cb = NULL;
+
+struct umem_cache {
+	umem_constructor_t *constructor;
+	umem_destructor_t *destructor;
+	void *callback_data;
+	size_t bufsize;
+};
+
+/*
+ * Simple stub for umem_alloc(). The callback isn't expected to return.
+ */
+void *umem_alloc(size_t size, int flags)
+{
+	assert(flags == UMEM_DEFAULT || flags == UMEM_NOFAIL);
+
+	if(size == 0)
+		return NULL;
+
+	void *ret = malloc(size);
+	if(ret == NULL) {
+		if(!(flags & UMEM_NOFAIL))
+			return NULL;
+
+		if(nofail_cb != NULL)
+			nofail_cb();
+		abort();
+	}
+
+	return ret;
+}
+
+/*
+ * Simple stub for umem_zalloc().
+ */
+void *umem_zalloc(size_t size, int flags)
+{
+	assert(flags == UMEM_DEFAULT || flags == UMEM_NOFAIL);
+
+	if(size == 0)
+		return NULL;
+
+	void *ret = calloc(1, size);
+	if(ret == NULL) {
+		if(!(flags & UMEM_NOFAIL))
+			return NULL;
+
+		if(nofail_cb != NULL)
+			nofail_cb();
+		abort();
+	}
+
+	return ret;
+}
+
+/*
+ * Simple stub for umem_free().
+ */
+void umem_free(void *buf, size_t size)
+{
+	free(buf);
+}
+
+/*
+ * Simple stub for umem_nofail_callback().
+ */
+void umem_nofail_callback(umem_nofail_callback_t *callback)
+{
+	nofail_cb = callback;
+}
+
+/*
+ * Simple stub for umem_cache_create().
+ */
+umem_cache_t *umem_cache_create(char *debug_name, size_t bufsize, size_t align, umem_constructor_t *constructor, umem_destructor_t *destructor, umem_reclaim_t *reclaim, void *callback_data, void *source, int cflags)
+{
+	assert(source == NULL);
+
+	umem_cache_t *cache = malloc(sizeof(umem_cache_t));
+	if(cache == NULL)
+		return NULL;
+
+	cache->constructor = constructor;
+	cache->destructor = destructor;
+	cache->callback_data = callback_data;
+	cache->bufsize = bufsize;
+
+	return cache;
+}
+
+/*
+ * Simple stub for umem_cache_alloc(). The nofail callback isn't expected to return.
+ */
+void *umem_cache_alloc(umem_cache_t *cache, int flags)
+{
+	void *buf = malloc(cache->bufsize);
+	if(buf == NULL) {
+		if(!(flags & UMEM_NOFAIL))
+			return NULL;
+
+		if(nofail_cb != NULL)
+			nofail_cb();
+		abort();
+	}
+
+	if(cache->constructor != NULL) {
+		if(cache->constructor(buf, cache->callback_data, flags) != 0) {
+			free(buf);
+			if(!(flags & UMEM_NOFAIL))
+				return NULL;
+
+			if(nofail_cb != NULL)
+				nofail_cb();
+			abort();
+		}
+	}
+
+	return buf;
+}
+
+/*
+ * Simple stub for umem_cache_free().
+ */
+void umem_cache_free(umem_cache_t *cache, void *buffer)
+{
+	if(cache->destructor != NULL)
+		cache->destructor(buffer, cache->callback_data);
+
+	free(buffer);
+}
+
+/*
+ * Simple stub for umem_cache_destroy().
+ */
+void umem_cache_destroy(umem_cache_t *cache)
+{
+	free(cache);
+}
diff --git a/cddl/compat/opensolaris/lib/libumem/umem.h b/cddl/compat/opensolaris/lib/libumem/umem.h
new file mode 100644
index 0000000..971cde3
--- /dev/null
+++ b/cddl/compat/opensolaris/lib/libumem/umem.h
@@ -0,0 +1,85 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _UMEM_H
+#define	_UMEM_H
+
+
+
+#include <sys/types.h>
+#include <stdlib.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#define	UMEM_DEFAULT	0x0000	/* normal -- may fail */
+#define	UMEM_NOFAIL	0x0100	/* Never fails -- may call exit(2) */
+
+#define	UMEM_FLAGS	0xffff	/* all settable umem flags */
+
+extern void *umem_alloc(size_t, int);
+extern void *umem_alloc_align(size_t, size_t, int);
+extern void *umem_zalloc(size_t, int);
+extern void umem_free(void *, size_t);
+extern void umem_free_align(void *, size_t);
+
+/*
+ * Flags for umem_cache_create()
+ */
+#define	UMC_NOTOUCH	0x00010000
+#define	UMC_NODEBUG	0x00020000
+#define	UMC_NOMAGAZINE	0x00040000
+#define	UMC_NOHASH	0x00080000
+
+struct umem_cache;		/* cache structure is opaque to umem clients */
+
+typedef struct umem_cache umem_cache_t;
+typedef int umem_constructor_t(void *, void *, int);
+typedef void umem_destructor_t(void *, void *);
+typedef void umem_reclaim_t(void *);
+
+typedef int umem_nofail_callback_t(void);
+#define	UMEM_CALLBACK_RETRY		0
+#define	UMEM_CALLBACK_EXIT(status)	(0x100 | ((status) & 0xFF))
+
+extern void umem_nofail_callback(umem_nofail_callback_t *);
+
+extern umem_cache_t *umem_cache_create(char *, size_t,
+    size_t, umem_constructor_t *, umem_destructor_t *, umem_reclaim_t *,
+    void *, void *, int);
+extern void umem_cache_destroy(umem_cache_t *);
+
+extern void *umem_cache_alloc(umem_cache_t *, int);
+extern void umem_cache_free(umem_cache_t *, void *);
+
+extern void umem_reap(void);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _UMEM_H */
diff --git a/cddl/compat/opensolaris/misc/fsshare.c b/cddl/compat/opensolaris/misc/fsshare.c
new file mode 100644
index 0000000..802d120
--- /dev/null
+++ b/cddl/compat/opensolaris/misc/fsshare.c
@@ -0,0 +1,242 @@
+/*-
+ * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+#include <libutil.h>
+#include <assert.h>
+#include <pathnames.h>	/* _PATH_MOUNTDPID */
+#include <fsshare.h>
+
+#define	FILE_HEADER	"# !!! DO NOT EDIT THIS FILE MANUALLY !!!\n\n"
+#define	OPTSSIZE	1024
+#define	MAXLINESIZE	(PATH_MAX + OPTSSIZE)
+
+static void
+restart_mountd(void)
+{
+	struct pidfh *pfh;
+	pid_t mountdpid;
+
+	pfh = pidfile_open(_PATH_MOUNTDPID, 0600, &mountdpid);
+	if (pfh != NULL) {
+		/* Mountd is not running. */
+		pidfile_remove(pfh);
+		return;
+	}
+	if (errno != EEXIST) {
+		/* Cannot open pidfile for some reason. */
+		return;
+	}
+	/* We have mountd(8) PID in mountdpid varible. */
+	kill(mountdpid, SIGHUP);
+}
+
+/*
+ * Read one line from a file. Skip comments, empty lines and a line with a
+ * mountpoint specified in the 'skip' argument.
+ */
+static char *
+getline(FILE *fd, const char *skip)
+{
+	static char line[MAXLINESIZE];
+	size_t len, skiplen;
+	char *s, last;
+
+	if (skip != NULL)
+		skiplen = strlen(skip);
+	for (;;) {
+		s = fgets(line, sizeof(line), fd);
+		if (s == NULL)
+			return (NULL);
+		/* Skip empty lines and comments. */
+		if (line[0] == '\n' || line[0] == '#')
+			continue;
+		len = strlen(line);
+		if (line[len - 1] == '\n')
+			line[len - 1] = '\0';
+		last = line[skiplen];
+		/* Skip the given mountpoint. */
+		if (skip != NULL && strncmp(skip, line, skiplen) == 0 &&
+		    (last == '\t' || last == ' ' || last == '\0')) {
+			continue;
+		}
+		break;
+	}
+	return (line);
+}
+
+/*
+ * Function translate options to a format acceptable by exports(5), eg.
+ *
+ *	-ro -network=192.168.0.0 -mask=255.255.255.0 -maproot=0
+ *
+ * Accepted input formats:
+ *
+ *	ro,network=192.168.0.0,mask=255.255.255.0,maproot=0
+ *	ro network=192.168.0.0 mask=255.255.255.0 maproot=0
+ *	-ro,-network=192.168.0.0,-mask=255.255.255.0,-maproot=0
+ *	-ro -network=192.168.0.0 -mask=255.255.255.0 -maproot=0
+ */
+static char *
+translate_opts(const char *shareopts)
+{
+	static char newopts[OPTSSIZE];
+	char oldopts[OPTSSIZE], opt[64];
+	char *o, *s = NULL;
+
+	strlcpy(oldopts, shareopts, sizeof(oldopts));
+	newopts[0] = '\0';
+	s = oldopts;
+	while ((o = strsep(&s, "-, ")) != NULL) {
+		if (o[0] == '\0')
+			continue;
+		snprintf(opt, sizeof(opt), "-%s ", o);
+		strlcat(newopts, opt, sizeof(newopts));
+	}
+	return (newopts);
+}
+
+static int
+fsshare_main(const char *file, const char *mountpoint, const char *shareopts,
+    int share)
+{
+	char tmpfile[PATH_MAX];
+	char *line;
+	FILE *newfd, *oldfd;
+	int fd, error;
+
+	newfd = oldfd = NULL;
+	error = 0;
+
+	/*
+	 * Create temporary file in the same directory, so we can atomically
+	 * rename it.
+	 */
+	if (strlcpy(tmpfile, file, sizeof(tmpfile)) >= sizeof(tmpfile))
+		return (ENAMETOOLONG);
+	if (strlcat(tmpfile, ".XXXXXXXX", sizeof(tmpfile)) >= sizeof(tmpfile))
+		return (ENAMETOOLONG);
+	fd = mkstemp(tmpfile);
+	if (fd == -1)
+		return (errno);
+	/*
+	 * File name is random, so we don't really need file lock now, but it
+	 * will be needed after rename(2).
+	 */
+	error = flock(fd, LOCK_EX);
+	assert(error == 0 || (error == -1 && errno == EOPNOTSUPP));
+	newfd = fdopen(fd, "r+");
+	assert(newfd != NULL);
+	/* Open old exports file. */
+	oldfd = fopen(file, "r");
+	if (oldfd == NULL) {
+		if (share) {
+			if (errno != ENOENT) {
+				error = errno;
+				goto out;
+			}
+		} else {
+			/* If there is no exports file, ignore the error. */
+			if (errno == ENOENT)
+				errno = 0;
+			error = errno;
+			goto out;
+		}
+	} else {
+		error = flock(fileno(oldfd), LOCK_EX);
+		assert(error == 0 || (error == -1 && errno == EOPNOTSUPP));
+		error = 0;
+	}
+
+	/* Place big, fat warning at the begining of the file. */
+	fprintf(newfd, "%s", FILE_HEADER);
+	while (oldfd != NULL && (line = getline(oldfd, mountpoint)) != NULL)
+		fprintf(newfd, "%s\n", line);
+	if (oldfd != NULL && ferror(oldfd) != 0) {
+		error = ferror(oldfd);
+		goto out;
+	}
+	if (ferror(newfd) != 0) {
+		error = ferror(newfd);
+		goto out;
+	}
+	if (share) {
+		fprintf(newfd, "%s\t%s\n", mountpoint,
+		    translate_opts(shareopts));
+	}
+
+out:
+	if (error != 0)
+		unlink(tmpfile);
+	else {
+		if (rename(tmpfile, file) == -1) {
+			error = errno;
+			unlink(tmpfile);
+		} else {
+			/*
+			 * Send SIGHUP to mountd, but unlock exports file later.
+			 */
+			restart_mountd();
+		}
+	}
+	if (oldfd != NULL) {
+		flock(fileno(oldfd), LOCK_UN);
+		fclose(oldfd);
+	}
+	if (newfd != NULL) {
+		flock(fileno(newfd), LOCK_UN);
+		fclose(newfd);
+	}
+	return (error);
+}
+
+/*
+ * Add the given mountpoint to the given exports file.
+ */
+int
+fsshare(const char *file, const char *mountpoint, const char *shareopts)
+{
+
+	return (fsshare_main(file, mountpoint, shareopts, 1));
+}
+
+/*
+ * Remove the given mountpoint from the given exports file.
+ */
+int
+fsunshare(const char *file, const char *mountpoint)
+{
+
+	return (fsshare_main(file, mountpoint, NULL, 0));
+}
diff --git a/cddl/compat/opensolaris/misc/mkdirp.c b/cddl/compat/opensolaris/misc/mkdirp.c
new file mode 100644
index 0000000..06cec5b
--- /dev/null
+++ b/cddl/compat/opensolaris/misc/mkdirp.c
@@ -0,0 +1,213 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*	Copyright (c) 1988 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"@(#)mkdirp.c	1.15	06/01/04 SMI"
+
+/*
+ * Creates directory and it's parents if the parents do not
+ * exist yet.
+ *
+ * Returns -1 if fails for reasons other than non-existing
+ * parents.
+ * Does NOT simplify pathnames with . or .. in them.
+ */
+
+#include <sys/types.h>
+#include <libgen.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/stat.h>
+
+static char *simplify(const char *str);
+
+int
+mkdirp(const char *d, mode_t mode)
+{
+	char  *endptr, *ptr, *slash, *str;
+
+	str = simplify(d);
+
+	/* If space couldn't be allocated for the simplified names, return. */
+
+	if (str == NULL)
+		return (-1);
+
+		/* Try to make the directory */
+
+	if (mkdir(str, mode) == 0) {
+		free(str);
+		return (0);
+	}
+	if (errno != ENOENT) {
+		free(str);
+		return (-1);
+	}
+	endptr = strrchr(str, '\0');
+	slash = strrchr(str, '/');
+
+		/* Search upward for the non-existing parent */
+
+	while (slash != NULL) {
+
+		ptr = slash;
+		*ptr = '\0';
+
+			/* If reached an existing parent, break */
+
+		if (access(str, F_OK) == 0)
+			break;
+
+			/* If non-existing parent */
+
+		else {
+			slash = strrchr(str, '/');
+
+				/* If under / or current directory, make it. */
+
+			if (slash == NULL || slash == str) {
+				if (mkdir(str, mode) != 0 && errno != EEXIST) {
+					free(str);
+					return (-1);
+				}
+				break;
+			}
+		}
+	}
+
+	/* Create directories starting from upmost non-existing parent */
+
+	while ((ptr = strchr(str, '\0')) != endptr) {
+		*ptr = '/';
+		if (mkdir(str, mode) != 0 && errno != EEXIST) {
+			/*
+			 *  If the mkdir fails because str already
+			 *  exists (EEXIST), then str has the form
+			 *  "existing-dir/..", and this is really
+			 *  ok. (Remember, this loop is creating the
+			 *  portion of the path that didn't exist)
+			 */
+			free(str);
+			return (-1);
+		}
+	}
+	free(str);
+	return (0);
+}
+
+/*
+ *	simplify - given a pathname, simplify that path by removing
+ *		   duplicate contiguous slashes.
+ *
+ *		   A simplified copy of the argument is returned to the
+ *		   caller, or NULL is returned on error.
+ *
+ *		   The caller should handle error reporting based upon the
+ *		   returned vlaue, and should free the returned value,
+ *		   when appropriate.
+ */
+
+static char *
+simplify(const char *str)
+{
+	int i;
+	size_t mbPathlen;	/* length of multi-byte path */
+	size_t wcPathlen;	/* length of wide-character path */
+	wchar_t *wptr;		/* scratch pointer */
+	wchar_t *wcPath;	/* wide-character version of the path */
+	char *mbPath;		/* The copy fo the path to be returned */
+
+	/*
+	 *  bail out if there is nothing there.
+	 */
+
+	if (!str)
+	    return (NULL);
+
+	/*
+	 *  Get a copy of the argument.
+	 */
+
+	if ((mbPath = strdup(str)) == NULL) {
+		return (NULL);
+	}
+
+	/*
+	 *  convert the multi-byte version of the path to a
+	 *  wide-character rendering, for doing our figuring.
+	 */
+
+	mbPathlen = strlen(mbPath);
+
+	if ((wcPath = calloc(sizeof (wchar_t), mbPathlen+1)) == NULL) {
+		free(mbPath);
+		return (NULL);
+	}
+
+	if ((wcPathlen = mbstowcs(wcPath, mbPath, mbPathlen)) == (size_t)-1) {
+		free(mbPath);
+		free(wcPath);
+		return (NULL);
+	}
+
+	/*
+	 *  remove duplicate slashes first ("//../" -> "/")
+	 */
+
+	for (wptr = wcPath, i = 0; i < wcPathlen; i++) {
+		*wptr++ = wcPath[i];
+
+		if (wcPath[i] == '/') {
+			i++;
+
+			while (wcPath[i] == '/') {
+				i++;
+			}
+
+			i--;
+		}
+	}
+
+	*wptr = '\0';
+
+	/*
+	 *  now convert back to the multi-byte format.
+	 */
+
+	if (wcstombs(mbPath, wcPath, mbPathlen) == (size_t)-1) {
+		free(mbPath);
+		free(wcPath);
+		return (NULL);
+	}
+
+	free(wcPath);
+	return (mbPath);
+}
diff --git a/cddl/compat/opensolaris/misc/mnttab.c b/cddl/compat/opensolaris/misc/mnttab.c
new file mode 100644
index 0000000..c1971ca
--- /dev/null
+++ b/cddl/compat/opensolaris/misc/mnttab.c
@@ -0,0 +1,160 @@
+/*-
+ * Copyright (c) 2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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.
+ */
+
+/*
+ * This file implements Solaris compatible getmntany() and hasmntopt()
+ * functions.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/mount.h>
+#include <sys/mntent.h>
+#include <sys/mnttab.h>
+#include <stdio.h>
+
+static char *
+mntopt(char **p)
+{
+	char *cp = *p;
+	char *retstr;
+
+	while (*cp && isspace(*cp))
+		cp++;
+
+	retstr = cp;
+	while (*cp && *cp != ',')
+		cp++;
+
+	if (*cp) {
+		*cp = '\0';
+		cp++;
+	}
+
+	*p = cp;
+	return (retstr);
+}
+
+char *
+hasmntopt(struct mnttab *mnt, char *opt)
+{
+	char tmpopts[MNT_LINE_MAX];
+	char *f, *opts = tmpopts;
+
+	if (mnt->mnt_mntopts == NULL)
+		return (NULL);
+	(void) strcpy(opts, mnt->mnt_mntopts);
+	f = mntopt(&opts);
+	for (; *f; f = mntopt(&opts)) {
+		if (strncmp(opt, f, strlen(opt)) == 0)
+			return (f - tmpopts + mnt->mnt_mntopts);
+	}
+	return (NULL);
+}
+
+static void
+optadd(char *mntopts, size_t size, const char *opt)
+{
+
+	if (mntopts[0] != '\0')
+		strlcat(mntopts, ",", size);
+	strlcat(mntopts, opt, size);
+}
+
+int
+getmntany(FILE *fd __unused, struct mnttab *mgetp, struct mnttab *mrefp)
+{
+	static struct statfs *sfs = NULL;
+	static char mntopts[MNTMAXSTR];
+	struct opt *o;
+	long i, n, flags;
+
+	if (sfs != NULL) {
+		free(sfs);
+		sfs = NULL;
+	}
+	mntopts[0] = '\0';
+
+	n = getfsstat(NULL, 0, MNT_NOWAIT);
+	if (n == -1)
+		return (-1);
+	n = sizeof(*sfs) * (n + 8);
+	sfs = malloc(n);
+	if (sfs == NULL)
+		return (-1);
+	n = getfsstat(sfs, n, MNT_WAIT);
+	if (n == -1) {
+		free(sfs);
+		sfs = NULL;
+		return (-1);
+	}
+	for (i = 0; i < n; i++) {
+		if (mrefp->mnt_special != NULL &&
+		    strcmp(mrefp->mnt_special, sfs[i].f_mntfromname) != 0) {
+			continue;
+		}
+		if (mrefp->mnt_mountp != NULL &&
+		    strcmp(mrefp->mnt_mountp, sfs[i].f_mntonname) != 0) {
+			continue;
+		}
+		if (mrefp->mnt_fstype != NULL &&
+		    strcmp(mrefp->mnt_fstype, sfs[i].f_fstypename) != 0) {
+			continue;
+		}
+		flags = sfs[i].f_flags;
+#define	OPTADD(opt)	optadd(mntopts, sizeof(mntopts), (opt))
+		if (flags & MNT_RDONLY)
+			OPTADD(MNTOPT_RO);
+		else
+			OPTADD(MNTOPT_RW);
+		if (flags & MNT_NOSUID)
+			OPTADD(MNTOPT_NOSUID);
+		else
+			OPTADD(MNTOPT_SETUID);
+		if (flags & MNT_UPDATE)
+			OPTADD(MNTOPT_REMOUNT);
+		if (flags & MNT_NOATIME)
+			OPTADD(MNTOPT_NOATIME);
+		else
+			OPTADD(MNTOPT_ATIME);
+		OPTADD(MNTOPT_NOXATTR);
+		if (flags & MNT_NOEXEC)
+			OPTADD(MNTOPT_NOEXEC);
+		else
+			OPTADD(MNTOPT_EXEC);
+#undef	OPTADD
+		mgetp->mnt_special = sfs[i].f_mntfromname;
+		mgetp->mnt_mountp = sfs[i].f_mntonname;
+		mgetp->mnt_fstype = sfs[i].f_fstypename;
+		mgetp->mnt_mntopts = mntopts;
+		return (0);
+	}
+	free(sfs);
+	sfs = NULL;
+	return (-1);
+}
diff --git a/cddl/compat/opensolaris/misc/zmount.c b/cddl/compat/opensolaris/misc/zmount.c
new file mode 100644
index 0000000..d80a3b3
--- /dev/null
+++ b/cddl/compat/opensolaris/misc/zmount.c
@@ -0,0 +1,102 @@
+/*-
+ * Copyright (c) 2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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.
+ */
+
+/*
+ * This file implements Solaris compatible zmount() function.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/mount.h>
+#include <sys/uio.h>
+#include <sys/mntent.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+
+static void
+build_iovec(struct iovec **iov, int *iovlen, const char *name, void *val,
+    size_t len)
+{
+	int i;
+
+	if (*iovlen < 0)
+		return;
+	i = *iovlen;
+	*iov = realloc(*iov, sizeof(**iov) * (i + 2));
+	if (*iov == NULL) {
+		*iovlen = -1;
+		return;
+	}
+	(*iov)[i].iov_base = strdup(name);
+	(*iov)[i].iov_len = strlen(name) + 1;
+	i++;
+	(*iov)[i].iov_base = val;
+	if (len == (size_t)-1) {
+		if (val != NULL)
+			len = strlen(val) + 1;
+		else
+			len = 0;
+	}
+	(*iov)[i].iov_len = (int)len;
+	*iovlen = ++i;
+}
+
+int
+zmount(const char *spec, const char *dir, int mflag, char *fstype,
+    char *dataptr, int datalen, char *optptr, int optlen)
+{
+	struct iovec *iov;
+	char *optstr, *os, *p;
+	int iovlen, rv;
+
+	assert(spec != NULL);
+	assert(dir != NULL);
+	assert(mflag == 0);
+	assert(fstype != NULL);
+	assert(strcmp(fstype, MNTTYPE_ZFS) == 0);
+	assert(dataptr == NULL);
+	assert(datalen == 0);
+	assert(optptr != NULL);
+	assert(optlen > 0);
+
+	optstr = strdup(optptr);
+	assert(optptr != NULL);
+
+	iov = NULL;
+	iovlen = 0;
+	build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1);
+	build_iovec(&iov, &iovlen, "fspath", __DECONST(char *, dir),
+	    (size_t)-1);
+	build_iovec(&iov, &iovlen, "from", __DECONST(char *, spec), (size_t)-1);
+	for (p = optstr; p != NULL; strsep(&p, ",/ "))
+		build_iovec(&iov, &iovlen, p, NULL, (size_t)-1);
+	rv = nmount(iov, iovlen, 0);
+	free(optstr);
+	return (rv);
+}
diff --git a/cddl/compat/opensolaris/misc/zone.c b/cddl/compat/opensolaris/misc/zone.c
new file mode 100644
index 0000000..1ce77cf
--- /dev/null
+++ b/cddl/compat/opensolaris/misc/zone.c
@@ -0,0 +1,46 @@
+/*-
+ * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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.
+ *
+ * $FreeBSD$
+ */
+
+#include <stdlib.h>
+#include <assert.h>
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#include <sys/zone.h>
+
+int
+getzoneid(void)
+{
+	size_t size;
+	int jailid;
+
+	/* Information that we are in jail or not is enough for our needs. */
+	size = sizeof(jailid);
+	if (sysctlbyname("security.jail.jailed", &jailid, &size, NULL, 0) == -1)
+		assert(!"No security.jail.jailed sysctl!");
+	return (jailid);
+}