4173 lines
100 KiB
C
4173 lines
100 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#include <assert.h>
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#include <ctype.h>
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#include <errno.h>
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#include <libgen.h>
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#include <libintl.h>
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#include <libuutil.h>
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#include <libnvpair.h>
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#include <locale.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <zone.h>
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#include <grp.h>
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#include <pwd.h>
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#include <sys/mkdev.h>
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#include <sys/mntent.h>
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#include <sys/mnttab.h>
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#include <sys/mount.h>
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#include <sys/stat.h>
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#include <sys/fs/zfs.h>
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#include <libzfs.h>
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#include <libuutil.h>
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#include "zfs_iter.h"
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#include "zfs_util.h"
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libzfs_handle_t *g_zfs;
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static FILE *mnttab_file;
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static char history_str[HIS_MAX_RECORD_LEN];
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const char *pypath = "/usr/lib/zfs/pyzfs.py";
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static int zfs_do_clone(int argc, char **argv);
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static int zfs_do_create(int argc, char **argv);
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static int zfs_do_destroy(int argc, char **argv);
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static int zfs_do_get(int argc, char **argv);
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static int zfs_do_inherit(int argc, char **argv);
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static int zfs_do_list(int argc, char **argv);
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static int zfs_do_mount(int argc, char **argv);
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static int zfs_do_rename(int argc, char **argv);
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static int zfs_do_rollback(int argc, char **argv);
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static int zfs_do_set(int argc, char **argv);
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static int zfs_do_upgrade(int argc, char **argv);
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static int zfs_do_snapshot(int argc, char **argv);
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static int zfs_do_unmount(int argc, char **argv);
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static int zfs_do_share(int argc, char **argv);
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static int zfs_do_unshare(int argc, char **argv);
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static int zfs_do_send(int argc, char **argv);
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static int zfs_do_receive(int argc, char **argv);
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static int zfs_do_promote(int argc, char **argv);
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static int zfs_do_userspace(int argc, char **argv);
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static int zfs_do_python(int argc, char **argv);
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static int zfs_do_hold(int argc, char **argv);
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static int zfs_do_release(int argc, char **argv);
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/*
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* Enable a reasonable set of defaults for libumem debugging on DEBUG builds.
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*/
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#ifdef DEBUG
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const char *
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_umem_debug_init(void)
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{
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return ("default,verbose"); /* $UMEM_DEBUG setting */
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}
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const char *
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_umem_logging_init(void)
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{
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return ("fail,contents"); /* $UMEM_LOGGING setting */
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}
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#endif
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typedef enum {
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HELP_CLONE,
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HELP_CREATE,
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HELP_DESTROY,
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HELP_GET,
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HELP_INHERIT,
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HELP_UPGRADE,
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HELP_LIST,
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HELP_MOUNT,
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HELP_PROMOTE,
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HELP_RECEIVE,
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HELP_RENAME,
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HELP_ROLLBACK,
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HELP_SEND,
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HELP_SET,
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HELP_SHARE,
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HELP_SNAPSHOT,
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HELP_UNMOUNT,
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HELP_UNSHARE,
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HELP_ALLOW,
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HELP_UNALLOW,
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HELP_USERSPACE,
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HELP_GROUPSPACE,
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HELP_HOLD,
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HELP_HOLDS,
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HELP_RELEASE
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} zfs_help_t;
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typedef struct zfs_command {
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const char *name;
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int (*func)(int argc, char **argv);
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zfs_help_t usage;
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} zfs_command_t;
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/*
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* Master command table. Each ZFS command has a name, associated function, and
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* usage message. The usage messages need to be internationalized, so we have
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* to have a function to return the usage message based on a command index.
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*
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* These commands are organized according to how they are displayed in the usage
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* message. An empty command (one with a NULL name) indicates an empty line in
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* the generic usage message.
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*/
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static zfs_command_t command_table[] = {
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{ "create", zfs_do_create, HELP_CREATE },
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{ "destroy", zfs_do_destroy, HELP_DESTROY },
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{ NULL },
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{ "snapshot", zfs_do_snapshot, HELP_SNAPSHOT },
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{ "rollback", zfs_do_rollback, HELP_ROLLBACK },
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{ "clone", zfs_do_clone, HELP_CLONE },
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{ "promote", zfs_do_promote, HELP_PROMOTE },
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{ "rename", zfs_do_rename, HELP_RENAME },
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{ NULL },
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{ "list", zfs_do_list, HELP_LIST },
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{ NULL },
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{ "set", zfs_do_set, HELP_SET },
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{ "get", zfs_do_get, HELP_GET },
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{ "inherit", zfs_do_inherit, HELP_INHERIT },
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{ "upgrade", zfs_do_upgrade, HELP_UPGRADE },
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{ "userspace", zfs_do_userspace, HELP_USERSPACE },
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{ "groupspace", zfs_do_userspace, HELP_GROUPSPACE },
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{ NULL },
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{ "mount", zfs_do_mount, HELP_MOUNT },
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{ "unmount", zfs_do_unmount, HELP_UNMOUNT },
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{ "share", zfs_do_share, HELP_SHARE },
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{ "unshare", zfs_do_unshare, HELP_UNSHARE },
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{ NULL },
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{ "send", zfs_do_send, HELP_SEND },
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{ "receive", zfs_do_receive, HELP_RECEIVE },
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{ NULL },
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{ "allow", zfs_do_python, HELP_ALLOW },
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{ NULL },
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{ "unallow", zfs_do_python, HELP_UNALLOW },
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{ NULL },
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{ "hold", zfs_do_hold, HELP_HOLD },
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{ "holds", zfs_do_python, HELP_HOLDS },
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{ "release", zfs_do_release, HELP_RELEASE },
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};
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#define NCOMMAND (sizeof (command_table) / sizeof (command_table[0]))
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zfs_command_t *current_command;
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static const char *
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get_usage(zfs_help_t idx)
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{
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switch (idx) {
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case HELP_CLONE:
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return (gettext("\tclone [-p] [-o property=value] ... "
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"<snapshot> <filesystem|volume>\n"));
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case HELP_CREATE:
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return (gettext("\tcreate [-p] [-o property=value] ... "
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"<filesystem>\n"
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"\tcreate [-ps] [-b blocksize] [-o property=value] ... "
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"-V <size> <volume>\n"));
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case HELP_DESTROY:
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return (gettext("\tdestroy [-rRf] "
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"<filesystem|volume|snapshot>\n"
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"\tdestroy -d [-r] <filesystem|volume|snapshot>\n"));
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case HELP_GET:
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return (gettext("\tget [-rHp] [-d max] "
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"[-o field[,...]] [-s source[,...]]\n"
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"\t <\"all\" | property[,...]> "
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"[filesystem|volume|snapshot] ...\n"));
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case HELP_INHERIT:
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return (gettext("\tinherit [-r] <property> "
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"<filesystem|volume|snapshot> ...\n"));
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case HELP_UPGRADE:
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return (gettext("\tupgrade [-v]\n"
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"\tupgrade [-r] [-V version] <-a | filesystem ...>\n"));
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case HELP_LIST:
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return (gettext("\tlist [-rH][-d max] "
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"[-o property[,...]] [-t type[,...]] [-s property] ...\n"
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"\t [-S property] ... "
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"[filesystem|volume|snapshot] ...\n"));
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case HELP_MOUNT:
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return (gettext("\tmount\n"
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"\tmount [-vO] [-o opts] <-a | filesystem>\n"));
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case HELP_PROMOTE:
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return (gettext("\tpromote <clone-filesystem>\n"));
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case HELP_RECEIVE:
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return (gettext("\treceive [-vnF] <filesystem|volume|"
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"snapshot>\n"
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"\treceive [-vnF] -d <filesystem>\n"));
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case HELP_RENAME:
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return (gettext("\trename <filesystem|volume|snapshot> "
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"<filesystem|volume|snapshot>\n"
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"\trename -p <filesystem|volume> <filesystem|volume>\n"
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"\trename -r <snapshot> <snapshot>"));
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case HELP_ROLLBACK:
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return (gettext("\trollback [-rRf] <snapshot>\n"));
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case HELP_SEND:
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return (gettext("\tsend [-R] [-[iI] snapshot] <snapshot>\n"));
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case HELP_SET:
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return (gettext("\tset <property=value> "
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"<filesystem|volume|snapshot> ...\n"));
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case HELP_SHARE:
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return (gettext("\tshare <-a | filesystem>\n"));
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case HELP_SNAPSHOT:
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return (gettext("\tsnapshot [-r] [-o property=value] ... "
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"<filesystem@snapname|volume@snapname>\n"));
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case HELP_UNMOUNT:
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return (gettext("\tunmount [-f] "
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"<-a | filesystem|mountpoint>\n"));
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case HELP_UNSHARE:
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return (gettext("\tunshare "
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"<-a | filesystem|mountpoint>\n"));
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case HELP_ALLOW:
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return (gettext("\tallow <filesystem|volume>\n"
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"\tallow [-ldug] "
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"<\"everyone\"|user|group>[,...] <perm|@setname>[,...]\n"
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"\t <filesystem|volume>\n"
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"\tallow [-ld] -e <perm|@setname>[,...] "
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"<filesystem|volume>\n"
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"\tallow -c <perm|@setname>[,...] <filesystem|volume>\n"
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"\tallow -s @setname <perm|@setname>[,...] "
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"<filesystem|volume>\n"));
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case HELP_UNALLOW:
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return (gettext("\tunallow [-rldug] "
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"<\"everyone\"|user|group>[,...]\n"
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"\t [<perm|@setname>[,...]] <filesystem|volume>\n"
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"\tunallow [-rld] -e [<perm|@setname>[,...]] "
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"<filesystem|volume>\n"
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"\tunallow [-r] -c [<perm|@setname>[,...]] "
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"<filesystem|volume>\n"
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"\tunallow [-r] -s @setname [<perm|@setname>[,...]] "
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"<filesystem|volume>\n"));
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case HELP_USERSPACE:
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return (gettext("\tuserspace [-hniHp] [-o field[,...]] "
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"[-sS field] ... [-t type[,...]]\n"
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"\t <filesystem|snapshot>\n"));
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case HELP_GROUPSPACE:
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return (gettext("\tgroupspace [-hniHpU] [-o field[,...]] "
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"[-sS field] ... [-t type[,...]]\n"
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"\t <filesystem|snapshot>\n"));
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case HELP_HOLD:
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return (gettext("\thold [-r] <tag> <snapshot> ...\n"));
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case HELP_HOLDS:
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return (gettext("\tholds [-r] <snapshot> ...\n"));
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case HELP_RELEASE:
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return (gettext("\trelease [-r] <tag> <snapshot> ...\n"));
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}
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abort();
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/* NOTREACHED */
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}
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/*
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* Utility function to guarantee malloc() success.
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*/
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void *
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safe_malloc(size_t size)
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{
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void *data;
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if ((data = calloc(1, size)) == NULL) {
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(void) fprintf(stderr, "internal error: out of memory\n");
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exit(1);
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}
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return (data);
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}
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/*
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* Callback routine that will print out information for each of
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* the properties.
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*/
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static int
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usage_prop_cb(int prop, void *cb)
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{
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FILE *fp = cb;
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(void) fprintf(fp, "\t%-15s ", zfs_prop_to_name(prop));
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if (zfs_prop_readonly(prop))
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(void) fprintf(fp, " NO ");
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else
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(void) fprintf(fp, "YES ");
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if (zfs_prop_inheritable(prop))
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(void) fprintf(fp, " YES ");
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else
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(void) fprintf(fp, " NO ");
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if (zfs_prop_values(prop) == NULL)
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(void) fprintf(fp, "-\n");
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else
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(void) fprintf(fp, "%s\n", zfs_prop_values(prop));
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return (ZPROP_CONT);
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}
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/*
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* Display usage message. If we're inside a command, display only the usage for
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* that command. Otherwise, iterate over the entire command table and display
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* a complete usage message.
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*/
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static void
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usage(boolean_t requested)
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{
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int i;
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boolean_t show_properties = B_FALSE;
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FILE *fp = requested ? stdout : stderr;
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if (current_command == NULL) {
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(void) fprintf(fp, gettext("usage: zfs command args ...\n"));
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(void) fprintf(fp,
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gettext("where 'command' is one of the following:\n\n"));
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for (i = 0; i < NCOMMAND; i++) {
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if (command_table[i].name == NULL)
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(void) fprintf(fp, "\n");
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else
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(void) fprintf(fp, "%s",
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get_usage(command_table[i].usage));
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}
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(void) fprintf(fp, gettext("\nEach dataset is of the form: "
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"pool/[dataset/]*dataset[@name]\n"));
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} else {
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(void) fprintf(fp, gettext("usage:\n"));
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(void) fprintf(fp, "%s", get_usage(current_command->usage));
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}
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if (current_command != NULL &&
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(strcmp(current_command->name, "set") == 0 ||
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strcmp(current_command->name, "get") == 0 ||
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strcmp(current_command->name, "inherit") == 0 ||
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strcmp(current_command->name, "list") == 0))
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show_properties = B_TRUE;
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if (show_properties) {
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(void) fprintf(fp,
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gettext("\nThe following properties are supported:\n"));
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(void) fprintf(fp, "\n\t%-14s %s %s %s\n\n",
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"PROPERTY", "EDIT", "INHERIT", "VALUES");
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/* Iterate over all properties */
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(void) zprop_iter(usage_prop_cb, fp, B_FALSE, B_TRUE,
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ZFS_TYPE_DATASET);
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(void) fprintf(fp, "\t%-15s ", "userused@...");
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(void) fprintf(fp, " NO NO <size>\n");
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(void) fprintf(fp, "\t%-15s ", "groupused@...");
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(void) fprintf(fp, " NO NO <size>\n");
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(void) fprintf(fp, "\t%-15s ", "userquota@...");
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(void) fprintf(fp, "YES NO <size> | none\n");
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(void) fprintf(fp, "\t%-15s ", "groupquota@...");
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(void) fprintf(fp, "YES NO <size> | none\n");
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(void) fprintf(fp, gettext("\nSizes are specified in bytes "
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"with standard units such as K, M, G, etc.\n"));
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(void) fprintf(fp, gettext("\nUser-defined properties can "
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"be specified by using a name containing a colon (:).\n"));
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(void) fprintf(fp, gettext("\nThe {user|group}{used|quota}@ "
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"properties must be appended with\n"
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"a user or group specifier of one of these forms:\n"
|
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" POSIX name (eg: \"matt\")\n"
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" POSIX id (eg: \"126829\")\n"
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" SMB name@domain (eg: \"matt@sun\")\n"
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" SMB SID (eg: \"S-1-234-567-89\")\n"));
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} else {
|
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(void) fprintf(fp,
|
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gettext("\nFor the property list, run: %s\n"),
|
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"zfs set|get");
|
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(void) fprintf(fp,
|
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gettext("\nFor the delegated permission list, run: %s\n"),
|
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"zfs allow|unallow");
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}
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|
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/*
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* See comments at end of main().
|
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*/
|
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if (getenv("ZFS_ABORT") != NULL) {
|
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(void) printf("dumping core by request\n");
|
|
abort();
|
|
}
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|
|
|
exit(requested ? 0 : 2);
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|
}
|
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|
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static int
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parseprop(nvlist_t *props)
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{
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char *propname = optarg;
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char *propval, *strval;
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if ((propval = strchr(propname, '=')) == NULL) {
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(void) fprintf(stderr, gettext("missing "
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|
"'=' for -o option\n"));
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return (-1);
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}
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*propval = '\0';
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propval++;
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if (nvlist_lookup_string(props, propname, &strval) == 0) {
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(void) fprintf(stderr, gettext("property '%s' "
|
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"specified multiple times\n"), propname);
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return (-1);
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}
|
|
if (nvlist_add_string(props, propname, propval) != 0) {
|
|
(void) fprintf(stderr, gettext("internal "
|
|
"error: out of memory\n"));
|
|
return (-1);
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}
|
|
return (0);
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|
}
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|
|
static int
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parse_depth(char *opt, int *flags)
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|
{
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|
char *tmp;
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|
int depth;
|
|
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depth = (int)strtol(opt, &tmp, 0);
|
|
if (*tmp) {
|
|
(void) fprintf(stderr,
|
|
gettext("%s is not an integer\n"), optarg);
|
|
usage(B_FALSE);
|
|
}
|
|
if (depth < 0) {
|
|
(void) fprintf(stderr,
|
|
gettext("Depth can not be negative.\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
*flags |= (ZFS_ITER_DEPTH_LIMIT|ZFS_ITER_RECURSE);
|
|
return (depth);
|
|
}
|
|
|
|
/*
|
|
* zfs clone [-p] [-o prop=value] ... <snap> <fs | vol>
|
|
*
|
|
* Given an existing dataset, create a writable copy whose initial contents
|
|
* are the same as the source. The newly created dataset maintains a
|
|
* dependency on the original; the original cannot be destroyed so long as
|
|
* the clone exists.
|
|
*
|
|
* The '-p' flag creates all the non-existing ancestors of the target first.
|
|
*/
|
|
static int
|
|
zfs_do_clone(int argc, char **argv)
|
|
{
|
|
zfs_handle_t *zhp = NULL;
|
|
boolean_t parents = B_FALSE;
|
|
nvlist_t *props;
|
|
int ret;
|
|
int c;
|
|
|
|
if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) {
|
|
(void) fprintf(stderr, gettext("internal error: "
|
|
"out of memory\n"));
|
|
return (1);
|
|
}
|
|
|
|
/* check options */
|
|
while ((c = getopt(argc, argv, "o:p")) != -1) {
|
|
switch (c) {
|
|
case 'o':
|
|
if (parseprop(props))
|
|
return (1);
|
|
break;
|
|
case 'p':
|
|
parents = B_TRUE;
|
|
break;
|
|
case '?':
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
optopt);
|
|
goto usage;
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
/* check number of arguments */
|
|
if (argc < 1) {
|
|
(void) fprintf(stderr, gettext("missing source dataset "
|
|
"argument\n"));
|
|
goto usage;
|
|
}
|
|
if (argc < 2) {
|
|
(void) fprintf(stderr, gettext("missing target dataset "
|
|
"argument\n"));
|
|
goto usage;
|
|
}
|
|
if (argc > 2) {
|
|
(void) fprintf(stderr, gettext("too many arguments\n"));
|
|
goto usage;
|
|
}
|
|
|
|
/* open the source dataset */
|
|
if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL)
|
|
return (1);
|
|
|
|
if (parents && zfs_name_valid(argv[1], ZFS_TYPE_FILESYSTEM |
|
|
ZFS_TYPE_VOLUME)) {
|
|
/*
|
|
* Now create the ancestors of the target dataset. If the
|
|
* target already exists and '-p' option was used we should not
|
|
* complain.
|
|
*/
|
|
if (zfs_dataset_exists(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM |
|
|
ZFS_TYPE_VOLUME))
|
|
return (0);
|
|
if (zfs_create_ancestors(g_zfs, argv[1]) != 0)
|
|
return (1);
|
|
}
|
|
|
|
/* pass to libzfs */
|
|
ret = zfs_clone(zhp, argv[1], props);
|
|
|
|
/* create the mountpoint if necessary */
|
|
#ifdef HAVE_ZPL
|
|
if (ret == 0) {
|
|
zfs_handle_t *clone;
|
|
|
|
clone = zfs_open(g_zfs, argv[1], ZFS_TYPE_DATASET);
|
|
if (clone != NULL) {
|
|
if ((ret = zfs_mount(clone, NULL, 0)) == 0)
|
|
ret = zfs_share(clone);
|
|
zfs_close(clone);
|
|
}
|
|
}
|
|
#endif /* HAVE_ZPL */
|
|
|
|
zfs_close(zhp);
|
|
nvlist_free(props);
|
|
|
|
return (!!ret);
|
|
|
|
usage:
|
|
if (zhp)
|
|
zfs_close(zhp);
|
|
nvlist_free(props);
|
|
usage(B_FALSE);
|
|
return (-1);
|
|
}
|
|
|
|
/*
|
|
* zfs create [-p] [-o prop=value] ... fs
|
|
* zfs create [-ps] [-b blocksize] [-o prop=value] ... -V vol size
|
|
*
|
|
* Create a new dataset. This command can be used to create filesystems
|
|
* and volumes. Snapshot creation is handled by 'zfs snapshot'.
|
|
* For volumes, the user must specify a size to be used.
|
|
*
|
|
* The '-s' flag applies only to volumes, and indicates that we should not try
|
|
* to set the reservation for this volume. By default we set a reservation
|
|
* equal to the size for any volume. For pools with SPA_VERSION >=
|
|
* SPA_VERSION_REFRESERVATION, we set a refreservation instead.
|
|
*
|
|
* The '-p' flag creates all the non-existing ancestors of the target first.
|
|
*/
|
|
static int
|
|
zfs_do_create(int argc, char **argv)
|
|
{
|
|
zfs_type_t type = ZFS_TYPE_FILESYSTEM;
|
|
zfs_handle_t *zhp = NULL;
|
|
uint64_t volsize = 0;
|
|
int c;
|
|
boolean_t noreserve = B_FALSE;
|
|
boolean_t bflag = B_FALSE;
|
|
boolean_t parents = B_FALSE;
|
|
int ret = 1;
|
|
nvlist_t *props;
|
|
uint64_t intval;
|
|
int canmount;
|
|
|
|
if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) {
|
|
(void) fprintf(stderr, gettext("internal error: "
|
|
"out of memory\n"));
|
|
return (1);
|
|
}
|
|
|
|
/* check options */
|
|
while ((c = getopt(argc, argv, ":V:b:so:p")) != -1) {
|
|
switch (c) {
|
|
case 'V':
|
|
type = ZFS_TYPE_VOLUME;
|
|
if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
|
|
(void) fprintf(stderr, gettext("bad volume "
|
|
"size '%s': %s\n"), optarg,
|
|
libzfs_error_description(g_zfs));
|
|
goto error;
|
|
}
|
|
|
|
if (nvlist_add_uint64(props,
|
|
zfs_prop_to_name(ZFS_PROP_VOLSIZE),
|
|
intval) != 0) {
|
|
(void) fprintf(stderr, gettext("internal "
|
|
"error: out of memory\n"));
|
|
goto error;
|
|
}
|
|
volsize = intval;
|
|
break;
|
|
case 'p':
|
|
parents = B_TRUE;
|
|
break;
|
|
case 'b':
|
|
bflag = B_TRUE;
|
|
if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
|
|
(void) fprintf(stderr, gettext("bad volume "
|
|
"block size '%s': %s\n"), optarg,
|
|
libzfs_error_description(g_zfs));
|
|
goto error;
|
|
}
|
|
|
|
if (nvlist_add_uint64(props,
|
|
zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE),
|
|
intval) != 0) {
|
|
(void) fprintf(stderr, gettext("internal "
|
|
"error: out of memory\n"));
|
|
goto error;
|
|
}
|
|
break;
|
|
case 'o':
|
|
if (parseprop(props))
|
|
goto error;
|
|
break;
|
|
case 's':
|
|
noreserve = B_TRUE;
|
|
break;
|
|
case ':':
|
|
(void) fprintf(stderr, gettext("missing size "
|
|
"argument\n"));
|
|
goto badusage;
|
|
break;
|
|
case '?':
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
optopt);
|
|
goto badusage;
|
|
}
|
|
}
|
|
|
|
if ((bflag || noreserve) && type != ZFS_TYPE_VOLUME) {
|
|
(void) fprintf(stderr, gettext("'-s' and '-b' can only be "
|
|
"used when creating a volume\n"));
|
|
goto badusage;
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
/* check number of arguments */
|
|
if (argc == 0) {
|
|
(void) fprintf(stderr, gettext("missing %s argument\n"),
|
|
zfs_type_to_name(type));
|
|
goto badusage;
|
|
}
|
|
if (argc > 1) {
|
|
(void) fprintf(stderr, gettext("too many arguments\n"));
|
|
goto badusage;
|
|
}
|
|
|
|
if (type == ZFS_TYPE_VOLUME && !noreserve) {
|
|
zpool_handle_t *zpool_handle;
|
|
uint64_t spa_version;
|
|
char *p;
|
|
zfs_prop_t resv_prop;
|
|
char *strval;
|
|
|
|
if ((p = strchr(argv[0], '/')))
|
|
*p = '\0';
|
|
zpool_handle = zpool_open(g_zfs, argv[0]);
|
|
if (p != NULL)
|
|
*p = '/';
|
|
if (zpool_handle == NULL)
|
|
goto error;
|
|
spa_version = zpool_get_prop_int(zpool_handle,
|
|
ZPOOL_PROP_VERSION, NULL);
|
|
zpool_close(zpool_handle);
|
|
if (spa_version >= SPA_VERSION_REFRESERVATION)
|
|
resv_prop = ZFS_PROP_REFRESERVATION;
|
|
else
|
|
resv_prop = ZFS_PROP_RESERVATION;
|
|
|
|
if (nvlist_lookup_string(props, zfs_prop_to_name(resv_prop),
|
|
&strval) != 0) {
|
|
if (nvlist_add_uint64(props,
|
|
zfs_prop_to_name(resv_prop), volsize) != 0) {
|
|
(void) fprintf(stderr, gettext("internal "
|
|
"error: out of memory\n"));
|
|
nvlist_free(props);
|
|
return (1);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (parents && zfs_name_valid(argv[0], type)) {
|
|
/*
|
|
* Now create the ancestors of target dataset. If the target
|
|
* already exists and '-p' option was used we should not
|
|
* complain.
|
|
*/
|
|
if (zfs_dataset_exists(g_zfs, argv[0], type)) {
|
|
ret = 0;
|
|
goto error;
|
|
}
|
|
if (zfs_create_ancestors(g_zfs, argv[0]) != 0)
|
|
goto error;
|
|
}
|
|
|
|
/* pass to libzfs */
|
|
if (zfs_create(g_zfs, argv[0], type, props) != 0)
|
|
goto error;
|
|
|
|
if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL)
|
|
goto error;
|
|
/*
|
|
* if the user doesn't want the dataset automatically mounted,
|
|
* then skip the mount/share step
|
|
*/
|
|
|
|
canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
|
|
|
|
/*
|
|
* Mount and/or share the new filesystem as appropriate. We provide a
|
|
* verbose error message to let the user know that their filesystem was
|
|
* in fact created, even if we failed to mount or share it.
|
|
*/
|
|
ret = 0;
|
|
#ifdef HAVE_ZPL
|
|
if (canmount == ZFS_CANMOUNT_ON) {
|
|
if (zfs_mount(zhp, NULL, 0) != 0) {
|
|
(void) fprintf(stderr, gettext("filesystem "
|
|
"successfully created, but not mounted\n"));
|
|
ret = 1;
|
|
} else if (zfs_share(zhp) != 0) {
|
|
(void) fprintf(stderr, gettext("filesystem "
|
|
"successfully created, but not shared\n"));
|
|
ret = 1;
|
|
}
|
|
}
|
|
#endif /* HAVE_ZPL */
|
|
|
|
error:
|
|
if (zhp)
|
|
zfs_close(zhp);
|
|
nvlist_free(props);
|
|
return (ret);
|
|
badusage:
|
|
nvlist_free(props);
|
|
usage(B_FALSE);
|
|
return (2);
|
|
}
|
|
|
|
/*
|
|
* zfs destroy [-rRf] <fs, snap, vol>
|
|
* zfs destroy -d [-r] <fs, snap, vol>
|
|
*
|
|
* -r Recursively destroy all children
|
|
* -R Recursively destroy all dependents, including clones
|
|
* -f Force unmounting of any dependents
|
|
* -d If we can't destroy now, mark for deferred destruction
|
|
*
|
|
* Destroys the given dataset. By default, it will unmount any filesystems,
|
|
* and refuse to destroy a dataset that has any dependents. A dependent can
|
|
* either be a child, or a clone of a child.
|
|
*/
|
|
typedef struct destroy_cbdata {
|
|
boolean_t cb_first;
|
|
int cb_force;
|
|
int cb_recurse;
|
|
int cb_error;
|
|
int cb_needforce;
|
|
int cb_doclones;
|
|
boolean_t cb_closezhp;
|
|
zfs_handle_t *cb_target;
|
|
char *cb_snapname;
|
|
boolean_t cb_defer_destroy;
|
|
} destroy_cbdata_t;
|
|
|
|
/*
|
|
* Check for any dependents based on the '-r' or '-R' flags.
|
|
*/
|
|
static int
|
|
destroy_check_dependent(zfs_handle_t *zhp, void *data)
|
|
{
|
|
destroy_cbdata_t *cbp = data;
|
|
const char *tname = zfs_get_name(cbp->cb_target);
|
|
const char *name = zfs_get_name(zhp);
|
|
|
|
if (strncmp(tname, name, strlen(tname)) == 0 &&
|
|
(name[strlen(tname)] == '/' || name[strlen(tname)] == '@')) {
|
|
/*
|
|
* This is a direct descendant, not a clone somewhere else in
|
|
* the hierarchy.
|
|
*/
|
|
if (cbp->cb_recurse)
|
|
goto out;
|
|
|
|
if (cbp->cb_first) {
|
|
(void) fprintf(stderr, gettext("cannot destroy '%s': "
|
|
"%s has children\n"),
|
|
zfs_get_name(cbp->cb_target),
|
|
zfs_type_to_name(zfs_get_type(cbp->cb_target)));
|
|
(void) fprintf(stderr, gettext("use '-r' to destroy "
|
|
"the following datasets:\n"));
|
|
cbp->cb_first = B_FALSE;
|
|
cbp->cb_error = 1;
|
|
}
|
|
|
|
(void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
|
|
} else {
|
|
/*
|
|
* This is a clone. We only want to report this if the '-r'
|
|
* wasn't specified, or the target is a snapshot.
|
|
*/
|
|
if (!cbp->cb_recurse &&
|
|
zfs_get_type(cbp->cb_target) != ZFS_TYPE_SNAPSHOT)
|
|
goto out;
|
|
|
|
if (cbp->cb_first) {
|
|
(void) fprintf(stderr, gettext("cannot destroy '%s': "
|
|
"%s has dependent clones\n"),
|
|
zfs_get_name(cbp->cb_target),
|
|
zfs_type_to_name(zfs_get_type(cbp->cb_target)));
|
|
(void) fprintf(stderr, gettext("use '-R' to destroy "
|
|
"the following datasets:\n"));
|
|
cbp->cb_first = B_FALSE;
|
|
cbp->cb_error = 1;
|
|
}
|
|
|
|
(void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
|
|
}
|
|
|
|
out:
|
|
zfs_close(zhp);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
destroy_callback(zfs_handle_t *zhp, void *data)
|
|
{
|
|
#ifdef HAVE_ZPL
|
|
destroy_cbdata_t *cbp = data;
|
|
#endif
|
|
|
|
/*
|
|
* Ignore pools (which we've already flagged as an error before getting
|
|
* here.
|
|
*/
|
|
if (strchr(zfs_get_name(zhp), '/') == NULL &&
|
|
zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
|
|
zfs_close(zhp);
|
|
return (0);
|
|
}
|
|
|
|
#ifdef HAVE_ZPL
|
|
/*
|
|
* Bail out on the first error.
|
|
*/
|
|
if (zfs_unmount(zhp, NULL, cbp->cb_force ? MS_FORCE : 0) != 0 ||
|
|
zfs_destroy(zhp, cbp->cb_defer_destroy) != 0) {
|
|
zfs_close(zhp);
|
|
return (-1);
|
|
}
|
|
#endif /* HAVE_ZPL */
|
|
|
|
zfs_close(zhp);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
destroy_snap_clones(zfs_handle_t *zhp, void *arg)
|
|
{
|
|
destroy_cbdata_t *cbp = arg;
|
|
char thissnap[MAXPATHLEN];
|
|
zfs_handle_t *szhp;
|
|
boolean_t closezhp = cbp->cb_closezhp;
|
|
int rv;
|
|
|
|
(void) snprintf(thissnap, sizeof (thissnap),
|
|
"%s@%s", zfs_get_name(zhp), cbp->cb_snapname);
|
|
|
|
libzfs_print_on_error(g_zfs, B_FALSE);
|
|
szhp = zfs_open(g_zfs, thissnap, ZFS_TYPE_SNAPSHOT);
|
|
libzfs_print_on_error(g_zfs, B_TRUE);
|
|
if (szhp) {
|
|
/*
|
|
* Destroy any clones of this snapshot
|
|
*/
|
|
if (zfs_iter_dependents(szhp, B_FALSE, destroy_callback,
|
|
cbp) != 0) {
|
|
zfs_close(szhp);
|
|
if (closezhp)
|
|
zfs_close(zhp);
|
|
return (-1);
|
|
}
|
|
zfs_close(szhp);
|
|
}
|
|
|
|
cbp->cb_closezhp = B_TRUE;
|
|
rv = zfs_iter_filesystems(zhp, destroy_snap_clones, arg);
|
|
if (closezhp)
|
|
zfs_close(zhp);
|
|
return (rv);
|
|
}
|
|
|
|
static int
|
|
zfs_do_destroy(int argc, char **argv)
|
|
{
|
|
destroy_cbdata_t cb = { 0 };
|
|
int c;
|
|
zfs_handle_t *zhp;
|
|
char *cp;
|
|
|
|
/* check options */
|
|
while ((c = getopt(argc, argv, "dfrR")) != -1) {
|
|
switch (c) {
|
|
case 'd':
|
|
cb.cb_defer_destroy = B_TRUE;
|
|
break;
|
|
case 'f':
|
|
cb.cb_force = 1;
|
|
break;
|
|
case 'r':
|
|
cb.cb_recurse = 1;
|
|
break;
|
|
case 'R':
|
|
cb.cb_recurse = 1;
|
|
cb.cb_doclones = 1;
|
|
break;
|
|
case '?':
|
|
default:
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
optopt);
|
|
usage(B_FALSE);
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
/* check number of arguments */
|
|
if (argc == 0) {
|
|
(void) fprintf(stderr, gettext("missing path argument\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
if (argc > 1) {
|
|
(void) fprintf(stderr, gettext("too many arguments\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
if (cb.cb_defer_destroy && cb.cb_doclones)
|
|
usage(B_FALSE);
|
|
|
|
/*
|
|
* If we are doing recursive destroy of a snapshot, then the
|
|
* named snapshot may not exist. Go straight to libzfs.
|
|
*/
|
|
if (cb.cb_recurse && (cp = strchr(argv[0], '@'))) {
|
|
int ret;
|
|
|
|
*cp = '\0';
|
|
if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL)
|
|
return (1);
|
|
*cp = '@';
|
|
cp++;
|
|
|
|
if (cb.cb_doclones) {
|
|
cb.cb_snapname = cp;
|
|
if (destroy_snap_clones(zhp, &cb) != 0) {
|
|
zfs_close(zhp);
|
|
return (1);
|
|
}
|
|
}
|
|
|
|
ret = zfs_destroy_snaps(zhp, cp, cb.cb_defer_destroy);
|
|
zfs_close(zhp);
|
|
if (ret) {
|
|
(void) fprintf(stderr,
|
|
gettext("no snapshots destroyed\n"));
|
|
}
|
|
return (ret != 0);
|
|
}
|
|
|
|
/* Open the given dataset */
|
|
if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL)
|
|
return (1);
|
|
|
|
cb.cb_target = zhp;
|
|
|
|
/*
|
|
* Perform an explicit check for pools before going any further.
|
|
*/
|
|
if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL &&
|
|
zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
|
|
(void) fprintf(stderr, gettext("cannot destroy '%s': "
|
|
"operation does not apply to pools\n"),
|
|
zfs_get_name(zhp));
|
|
(void) fprintf(stderr, gettext("use 'zfs destroy -r "
|
|
"%s' to destroy all datasets in the pool\n"),
|
|
zfs_get_name(zhp));
|
|
(void) fprintf(stderr, gettext("use 'zpool destroy %s' "
|
|
"to destroy the pool itself\n"), zfs_get_name(zhp));
|
|
zfs_close(zhp);
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Check for any dependents and/or clones.
|
|
*/
|
|
cb.cb_first = B_TRUE;
|
|
if (!cb.cb_doclones && !cb.cb_defer_destroy &&
|
|
zfs_iter_dependents(zhp, B_TRUE, destroy_check_dependent,
|
|
&cb) != 0) {
|
|
zfs_close(zhp);
|
|
return (1);
|
|
}
|
|
|
|
if (cb.cb_error || (!cb.cb_defer_destroy &&
|
|
(zfs_iter_dependents(zhp, B_FALSE, destroy_callback, &cb) != 0))) {
|
|
zfs_close(zhp);
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Do the real thing. The callback will close the handle regardless of
|
|
* whether it succeeds or not.
|
|
*/
|
|
|
|
if (destroy_callback(zhp, &cb) != 0)
|
|
return (1);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* zfs get [-rHp] [-o field[,field]...] [-s source[,source]...]
|
|
* < all | property[,property]... > < fs | snap | vol > ...
|
|
*
|
|
* -r recurse over any child datasets
|
|
* -H scripted mode. Headers are stripped, and fields are separated
|
|
* by tabs instead of spaces.
|
|
* -o Set of fields to display. One of "name,property,value,source".
|
|
* Default is all four.
|
|
* -s Set of sources to allow. One of
|
|
* "local,default,inherited,temporary,none". Default is all
|
|
* five.
|
|
* -p Display values in parsable (literal) format.
|
|
*
|
|
* Prints properties for the given datasets. The user can control which
|
|
* columns to display as well as which property types to allow.
|
|
*/
|
|
|
|
/*
|
|
* Invoked to display the properties for a single dataset.
|
|
*/
|
|
static int
|
|
get_callback(zfs_handle_t *zhp, void *data)
|
|
{
|
|
char buf[ZFS_MAXPROPLEN];
|
|
zprop_source_t sourcetype;
|
|
char source[ZFS_MAXNAMELEN];
|
|
zprop_get_cbdata_t *cbp = data;
|
|
nvlist_t *userprop = zfs_get_user_props(zhp);
|
|
zprop_list_t *pl = cbp->cb_proplist;
|
|
nvlist_t *propval;
|
|
char *strval;
|
|
char *sourceval;
|
|
|
|
for (; pl != NULL; pl = pl->pl_next) {
|
|
/*
|
|
* Skip the special fake placeholder. This will also skip over
|
|
* the name property when 'all' is specified.
|
|
*/
|
|
if (pl->pl_prop == ZFS_PROP_NAME &&
|
|
pl == cbp->cb_proplist)
|
|
continue;
|
|
|
|
if (pl->pl_prop != ZPROP_INVAL) {
|
|
if (zfs_prop_get(zhp, pl->pl_prop, buf,
|
|
sizeof (buf), &sourcetype, source,
|
|
sizeof (source),
|
|
cbp->cb_literal) != 0) {
|
|
if (pl->pl_all)
|
|
continue;
|
|
if (!zfs_prop_valid_for_type(pl->pl_prop,
|
|
ZFS_TYPE_DATASET)) {
|
|
(void) fprintf(stderr,
|
|
gettext("No such property '%s'\n"),
|
|
zfs_prop_to_name(pl->pl_prop));
|
|
continue;
|
|
}
|
|
sourcetype = ZPROP_SRC_NONE;
|
|
(void) strlcpy(buf, "-", sizeof (buf));
|
|
}
|
|
|
|
zprop_print_one_property(zfs_get_name(zhp), cbp,
|
|
zfs_prop_to_name(pl->pl_prop),
|
|
buf, sourcetype, source);
|
|
} else if (zfs_prop_userquota(pl->pl_user_prop)) {
|
|
sourcetype = ZPROP_SRC_LOCAL;
|
|
|
|
if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
|
|
buf, sizeof (buf), cbp->cb_literal) != 0) {
|
|
sourcetype = ZPROP_SRC_NONE;
|
|
(void) strlcpy(buf, "-", sizeof (buf));
|
|
}
|
|
|
|
zprop_print_one_property(zfs_get_name(zhp), cbp,
|
|
pl->pl_user_prop, buf, sourcetype, source);
|
|
} else {
|
|
if (nvlist_lookup_nvlist(userprop,
|
|
pl->pl_user_prop, &propval) != 0) {
|
|
if (pl->pl_all)
|
|
continue;
|
|
sourcetype = ZPROP_SRC_NONE;
|
|
strval = "-";
|
|
} else {
|
|
verify(nvlist_lookup_string(propval,
|
|
ZPROP_VALUE, &strval) == 0);
|
|
verify(nvlist_lookup_string(propval,
|
|
ZPROP_SOURCE, &sourceval) == 0);
|
|
|
|
if (strcmp(sourceval,
|
|
zfs_get_name(zhp)) == 0) {
|
|
sourcetype = ZPROP_SRC_LOCAL;
|
|
} else {
|
|
sourcetype = ZPROP_SRC_INHERITED;
|
|
(void) strlcpy(source,
|
|
sourceval, sizeof (source));
|
|
}
|
|
}
|
|
|
|
zprop_print_one_property(zfs_get_name(zhp), cbp,
|
|
pl->pl_user_prop, strval, sourcetype,
|
|
source);
|
|
}
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
zfs_do_get(int argc, char **argv)
|
|
{
|
|
zprop_get_cbdata_t cb = { 0 };
|
|
int i, c, flags = 0;
|
|
char *value, *fields;
|
|
int ret;
|
|
int limit = 0;
|
|
zprop_list_t fake_name = { 0 };
|
|
|
|
/*
|
|
* Set up default columns and sources.
|
|
*/
|
|
cb.cb_sources = ZPROP_SRC_ALL;
|
|
cb.cb_columns[0] = GET_COL_NAME;
|
|
cb.cb_columns[1] = GET_COL_PROPERTY;
|
|
cb.cb_columns[2] = GET_COL_VALUE;
|
|
cb.cb_columns[3] = GET_COL_SOURCE;
|
|
cb.cb_type = ZFS_TYPE_DATASET;
|
|
|
|
/* check options */
|
|
while ((c = getopt(argc, argv, ":d:o:s:rHp")) != -1) {
|
|
switch (c) {
|
|
case 'p':
|
|
cb.cb_literal = B_TRUE;
|
|
break;
|
|
case 'd':
|
|
limit = parse_depth(optarg, &flags);
|
|
break;
|
|
case 'r':
|
|
flags |= ZFS_ITER_RECURSE;
|
|
break;
|
|
case 'H':
|
|
cb.cb_scripted = B_TRUE;
|
|
break;
|
|
case ':':
|
|
(void) fprintf(stderr, gettext("missing argument for "
|
|
"'%c' option\n"), optopt);
|
|
usage(B_FALSE);
|
|
break;
|
|
case 'o':
|
|
/*
|
|
* Process the set of columns to display. We zero out
|
|
* the structure to give us a blank slate.
|
|
*/
|
|
bzero(&cb.cb_columns, sizeof (cb.cb_columns));
|
|
i = 0;
|
|
while (*optarg != '\0') {
|
|
static char *col_subopts[] =
|
|
{ "name", "property", "value", "source",
|
|
NULL };
|
|
|
|
if (i == 4) {
|
|
(void) fprintf(stderr, gettext("too "
|
|
"many fields given to -o "
|
|
"option\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
switch (getsubopt(&optarg, col_subopts,
|
|
&value)) {
|
|
case 0:
|
|
cb.cb_columns[i++] = GET_COL_NAME;
|
|
break;
|
|
case 1:
|
|
cb.cb_columns[i++] = GET_COL_PROPERTY;
|
|
break;
|
|
case 2:
|
|
cb.cb_columns[i++] = GET_COL_VALUE;
|
|
break;
|
|
case 3:
|
|
cb.cb_columns[i++] = GET_COL_SOURCE;
|
|
break;
|
|
default:
|
|
(void) fprintf(stderr,
|
|
gettext("invalid column name "
|
|
"'%s'\n"), value);
|
|
usage(B_FALSE);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 's':
|
|
cb.cb_sources = 0;
|
|
while (*optarg != '\0') {
|
|
static char *source_subopts[] = {
|
|
"local", "default", "inherited",
|
|
"temporary", "none", NULL };
|
|
|
|
switch (getsubopt(&optarg, source_subopts,
|
|
&value)) {
|
|
case 0:
|
|
cb.cb_sources |= ZPROP_SRC_LOCAL;
|
|
break;
|
|
case 1:
|
|
cb.cb_sources |= ZPROP_SRC_DEFAULT;
|
|
break;
|
|
case 2:
|
|
cb.cb_sources |= ZPROP_SRC_INHERITED;
|
|
break;
|
|
case 3:
|
|
cb.cb_sources |= ZPROP_SRC_TEMPORARY;
|
|
break;
|
|
case 4:
|
|
cb.cb_sources |= ZPROP_SRC_NONE;
|
|
break;
|
|
default:
|
|
(void) fprintf(stderr,
|
|
gettext("invalid source "
|
|
"'%s'\n"), value);
|
|
usage(B_FALSE);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case '?':
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
optopt);
|
|
usage(B_FALSE);
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc < 1) {
|
|
(void) fprintf(stderr, gettext("missing property "
|
|
"argument\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
fields = argv[0];
|
|
|
|
if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
|
|
!= 0)
|
|
usage(B_FALSE);
|
|
|
|
argc--;
|
|
argv++;
|
|
|
|
/*
|
|
* As part of zfs_expand_proplist(), we keep track of the maximum column
|
|
* width for each property. For the 'NAME' (and 'SOURCE') columns, we
|
|
* need to know the maximum name length. However, the user likely did
|
|
* not specify 'name' as one of the properties to fetch, so we need to
|
|
* make sure we always include at least this property for
|
|
* print_get_headers() to work properly.
|
|
*/
|
|
if (cb.cb_proplist != NULL) {
|
|
fake_name.pl_prop = ZFS_PROP_NAME;
|
|
fake_name.pl_width = strlen(gettext("NAME"));
|
|
fake_name.pl_next = cb.cb_proplist;
|
|
cb.cb_proplist = &fake_name;
|
|
}
|
|
|
|
cb.cb_first = B_TRUE;
|
|
|
|
/* run for each object */
|
|
ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET, NULL,
|
|
&cb.cb_proplist, limit, get_callback, &cb);
|
|
|
|
if (cb.cb_proplist == &fake_name)
|
|
zprop_free_list(fake_name.pl_next);
|
|
else
|
|
zprop_free_list(cb.cb_proplist);
|
|
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* inherit [-r] <property> <fs|vol> ...
|
|
*
|
|
* -r Recurse over all children
|
|
*
|
|
* For each dataset specified on the command line, inherit the given property
|
|
* from its parent. Inheriting a property at the pool level will cause it to
|
|
* use the default value. The '-r' flag will recurse over all children, and is
|
|
* useful for setting a property on a hierarchy-wide basis, regardless of any
|
|
* local modifications for each dataset.
|
|
*/
|
|
|
|
static int
|
|
inherit_recurse_cb(zfs_handle_t *zhp, void *data)
|
|
{
|
|
char *propname = data;
|
|
zfs_prop_t prop = zfs_name_to_prop(propname);
|
|
|
|
/*
|
|
* If we're doing it recursively, then ignore properties that
|
|
* are not valid for this type of dataset.
|
|
*/
|
|
if (prop != ZPROP_INVAL &&
|
|
!zfs_prop_valid_for_type(prop, zfs_get_type(zhp)))
|
|
return (0);
|
|
|
|
return (zfs_prop_inherit(zhp, propname) != 0);
|
|
}
|
|
|
|
static int
|
|
inherit_cb(zfs_handle_t *zhp, void *data)
|
|
{
|
|
char *propname = data;
|
|
|
|
return (zfs_prop_inherit(zhp, propname) != 0);
|
|
}
|
|
|
|
static int
|
|
zfs_do_inherit(int argc, char **argv)
|
|
{
|
|
int c;
|
|
zfs_prop_t prop;
|
|
char *propname;
|
|
int ret;
|
|
int flags = 0;
|
|
|
|
/* check options */
|
|
while ((c = getopt(argc, argv, "r")) != -1) {
|
|
switch (c) {
|
|
case 'r':
|
|
flags |= ZFS_ITER_RECURSE;
|
|
break;
|
|
case '?':
|
|
default:
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
optopt);
|
|
usage(B_FALSE);
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
/* check number of arguments */
|
|
if (argc < 1) {
|
|
(void) fprintf(stderr, gettext("missing property argument\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
if (argc < 2) {
|
|
(void) fprintf(stderr, gettext("missing dataset argument\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
propname = argv[0];
|
|
argc--;
|
|
argv++;
|
|
|
|
if ((prop = zfs_name_to_prop(propname)) != ZPROP_INVAL) {
|
|
if (zfs_prop_readonly(prop)) {
|
|
(void) fprintf(stderr, gettext(
|
|
"%s property is read-only\n"),
|
|
propname);
|
|
return (1);
|
|
}
|
|
if (!zfs_prop_inheritable(prop)) {
|
|
(void) fprintf(stderr, gettext("'%s' property cannot "
|
|
"be inherited\n"), propname);
|
|
if (prop == ZFS_PROP_QUOTA ||
|
|
prop == ZFS_PROP_RESERVATION ||
|
|
prop == ZFS_PROP_REFQUOTA ||
|
|
prop == ZFS_PROP_REFRESERVATION)
|
|
(void) fprintf(stderr, gettext("use 'zfs set "
|
|
"%s=none' to clear\n"), propname);
|
|
return (1);
|
|
}
|
|
} else if (!zfs_prop_user(propname)) {
|
|
(void) fprintf(stderr, gettext("invalid property '%s'\n"),
|
|
propname);
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
if (flags & ZFS_ITER_RECURSE) {
|
|
ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
|
|
NULL, NULL, 0, inherit_recurse_cb, propname);
|
|
} else {
|
|
ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
|
|
NULL, NULL, 0, inherit_cb, propname);
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
|
|
typedef struct upgrade_cbdata {
|
|
uint64_t cb_numupgraded;
|
|
uint64_t cb_numsamegraded;
|
|
uint64_t cb_numfailed;
|
|
uint64_t cb_version;
|
|
boolean_t cb_newer;
|
|
boolean_t cb_foundone;
|
|
char cb_lastfs[ZFS_MAXNAMELEN];
|
|
} upgrade_cbdata_t;
|
|
|
|
static int
|
|
same_pool(zfs_handle_t *zhp, const char *name)
|
|
{
|
|
int len1 = strcspn(name, "/@");
|
|
const char *zhname = zfs_get_name(zhp);
|
|
int len2 = strcspn(zhname, "/@");
|
|
|
|
if (len1 != len2)
|
|
return (B_FALSE);
|
|
return (strncmp(name, zhname, len1) == 0);
|
|
}
|
|
|
|
static int
|
|
upgrade_list_callback(zfs_handle_t *zhp, void *data)
|
|
{
|
|
upgrade_cbdata_t *cb = data;
|
|
int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
|
|
|
|
/* list if it's old/new */
|
|
if ((!cb->cb_newer && version < ZPL_VERSION) ||
|
|
(cb->cb_newer && version > ZPL_VERSION)) {
|
|
char *str;
|
|
if (cb->cb_newer) {
|
|
str = gettext("The following filesystems are "
|
|
"formatted using a newer software version and\n"
|
|
"cannot be accessed on the current system.\n\n");
|
|
} else {
|
|
str = gettext("The following filesystems are "
|
|
"out of date, and can be upgraded. After being\n"
|
|
"upgraded, these filesystems (and any 'zfs send' "
|
|
"streams generated from\n"
|
|
"subsequent snapshots) will no longer be "
|
|
"accessible by older software versions.\n\n");
|
|
}
|
|
|
|
if (!cb->cb_foundone) {
|
|
(void) puts(str);
|
|
(void) printf(gettext("VER FILESYSTEM\n"));
|
|
(void) printf(gettext("--- ------------\n"));
|
|
cb->cb_foundone = B_TRUE;
|
|
}
|
|
|
|
(void) printf("%2u %s\n", version, zfs_get_name(zhp));
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
upgrade_set_callback(zfs_handle_t *zhp, void *data)
|
|
{
|
|
upgrade_cbdata_t *cb = data;
|
|
int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
|
|
int i;
|
|
static struct { int zplver; int spaver; } table[] = {
|
|
{ZPL_VERSION_FUID, SPA_VERSION_FUID},
|
|
{ZPL_VERSION_USERSPACE, SPA_VERSION_USERSPACE},
|
|
{0, 0}
|
|
};
|
|
|
|
for (i = 0; table[i].zplver; i++) {
|
|
if (cb->cb_version >= table[i].zplver) {
|
|
int spa_version;
|
|
|
|
if (zfs_spa_version(zhp, &spa_version) < 0)
|
|
return (-1);
|
|
|
|
if (spa_version < table[i].spaver) {
|
|
/* can't upgrade */
|
|
(void) printf(gettext("%s: can not be "
|
|
"upgraded; the pool version needs to first "
|
|
"be upgraded\nto version %d\n\n"),
|
|
zfs_get_name(zhp), table[i].spaver);
|
|
cb->cb_numfailed++;
|
|
return (0);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* upgrade */
|
|
if (version < cb->cb_version) {
|
|
char verstr[16];
|
|
(void) snprintf(verstr, sizeof (verstr),
|
|
"%llu", (u_longlong_t)cb->cb_version);
|
|
if (cb->cb_lastfs[0] && !same_pool(zhp, cb->cb_lastfs)) {
|
|
/*
|
|
* If they did "zfs upgrade -a", then we could
|
|
* be doing ioctls to different pools. We need
|
|
* to log this history once to each pool.
|
|
*/
|
|
verify(zpool_stage_history(g_zfs, history_str) == 0);
|
|
}
|
|
if (zfs_prop_set(zhp, "version", verstr) == 0)
|
|
cb->cb_numupgraded++;
|
|
else
|
|
cb->cb_numfailed++;
|
|
(void) strcpy(cb->cb_lastfs, zfs_get_name(zhp));
|
|
} else if (version > cb->cb_version) {
|
|
/* can't downgrade */
|
|
(void) printf(gettext("%s: can not be downgraded; "
|
|
"it is already at version %u\n"),
|
|
zfs_get_name(zhp), version);
|
|
cb->cb_numfailed++;
|
|
} else {
|
|
cb->cb_numsamegraded++;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* zfs upgrade
|
|
* zfs upgrade -v
|
|
* zfs upgrade [-r] [-V <version>] <-a | filesystem>
|
|
*/
|
|
static int
|
|
zfs_do_upgrade(int argc, char **argv)
|
|
{
|
|
boolean_t all = B_FALSE;
|
|
boolean_t showversions = B_FALSE;
|
|
int ret;
|
|
upgrade_cbdata_t cb = { 0 };
|
|
signed char c;
|
|
int flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
|
|
|
|
/* check options */
|
|
while ((c = getopt(argc, argv, "rvV:a")) != -1) {
|
|
switch (c) {
|
|
case 'r':
|
|
flags |= ZFS_ITER_RECURSE;
|
|
break;
|
|
case 'v':
|
|
showversions = B_TRUE;
|
|
break;
|
|
case 'V':
|
|
if (zfs_prop_string_to_index(ZFS_PROP_VERSION,
|
|
optarg, &cb.cb_version) != 0) {
|
|
(void) fprintf(stderr,
|
|
gettext("invalid version %s\n"), optarg);
|
|
usage(B_FALSE);
|
|
}
|
|
break;
|
|
case 'a':
|
|
all = B_TRUE;
|
|
break;
|
|
case '?':
|
|
default:
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
optopt);
|
|
usage(B_FALSE);
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if ((!all && !argc) && ((flags & ZFS_ITER_RECURSE) | cb.cb_version))
|
|
usage(B_FALSE);
|
|
if (showversions && (flags & ZFS_ITER_RECURSE || all ||
|
|
cb.cb_version || argc))
|
|
usage(B_FALSE);
|
|
if ((all || argc) && (showversions))
|
|
usage(B_FALSE);
|
|
if (all && argc)
|
|
usage(B_FALSE);
|
|
|
|
if (showversions) {
|
|
/* Show info on available versions. */
|
|
(void) printf(gettext("The following filesystem versions are "
|
|
"supported:\n\n"));
|
|
(void) printf(gettext("VER DESCRIPTION\n"));
|
|
(void) printf("--- -----------------------------------------"
|
|
"---------------\n");
|
|
(void) printf(gettext(" 1 Initial ZFS filesystem version\n"));
|
|
(void) printf(gettext(" 2 Enhanced directory entries\n"));
|
|
(void) printf(gettext(" 3 Case insensitive and File system "
|
|
"unique identifier (FUID)\n"));
|
|
(void) printf(gettext(" 4 userquota, groupquota "
|
|
"properties\n"));
|
|
(void) printf(gettext("\nFor more information on a particular "
|
|
"version, including supported releases, see:\n\n"));
|
|
(void) printf("http://www.opensolaris.org/os/community/zfs/"
|
|
"version/zpl/N\n\n");
|
|
(void) printf(gettext("Where 'N' is the version number.\n"));
|
|
ret = 0;
|
|
} else if (argc || all) {
|
|
/* Upgrade filesystems */
|
|
if (cb.cb_version == 0)
|
|
cb.cb_version = ZPL_VERSION;
|
|
ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_FILESYSTEM,
|
|
NULL, NULL, 0, upgrade_set_callback, &cb);
|
|
(void) printf(gettext("%llu filesystems upgraded\n"),
|
|
(u_longlong_t)cb.cb_numupgraded);
|
|
if (cb.cb_numsamegraded) {
|
|
(void) printf(gettext("%llu filesystems already at "
|
|
"this version\n"),
|
|
(u_longlong_t)cb.cb_numsamegraded);
|
|
}
|
|
if (cb.cb_numfailed != 0)
|
|
ret = 1;
|
|
} else {
|
|
/* List old-version filesytems */
|
|
boolean_t found;
|
|
(void) printf(gettext("This system is currently running "
|
|
"ZFS filesystem version %llu.\n\n"), ZPL_VERSION);
|
|
|
|
flags |= ZFS_ITER_RECURSE;
|
|
ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
|
|
NULL, NULL, 0, upgrade_list_callback, &cb);
|
|
|
|
found = cb.cb_foundone;
|
|
cb.cb_foundone = B_FALSE;
|
|
cb.cb_newer = B_TRUE;
|
|
|
|
ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
|
|
NULL, NULL, 0, upgrade_list_callback, &cb);
|
|
|
|
if (!cb.cb_foundone && !found) {
|
|
(void) printf(gettext("All filesystems are "
|
|
"formatted with the current version.\n"));
|
|
}
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* zfs userspace
|
|
*/
|
|
static int
|
|
userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space)
|
|
{
|
|
zfs_userquota_prop_t *typep = arg;
|
|
zfs_userquota_prop_t p = *typep;
|
|
char *name = NULL;
|
|
char *ug, *propname;
|
|
char namebuf[32];
|
|
char sizebuf[32];
|
|
|
|
if (domain == NULL || domain[0] == '\0') {
|
|
if (p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA) {
|
|
struct group *g = getgrgid(rid);
|
|
if (g)
|
|
name = g->gr_name;
|
|
} else {
|
|
struct passwd *p = getpwuid(rid);
|
|
if (p)
|
|
name = p->pw_name;
|
|
}
|
|
}
|
|
|
|
if (p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA)
|
|
ug = "group";
|
|
else
|
|
ug = "user";
|
|
|
|
if (p == ZFS_PROP_USERUSED || p == ZFS_PROP_GROUPUSED)
|
|
propname = "used";
|
|
else
|
|
propname = "quota";
|
|
|
|
if (name == NULL) {
|
|
(void) snprintf(namebuf, sizeof (namebuf),
|
|
"%llu", (longlong_t)rid);
|
|
name = namebuf;
|
|
}
|
|
zfs_nicenum(space, sizebuf, sizeof (sizebuf));
|
|
|
|
(void) printf("%s %s %s%c%s %s\n", propname, ug, domain,
|
|
domain[0] ? '-' : ' ', name, sizebuf);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
zfs_do_userspace(int argc, char **argv)
|
|
{
|
|
zfs_handle_t *zhp;
|
|
zfs_userquota_prop_t p;
|
|
int error;
|
|
|
|
/*
|
|
* Try the python version. If the execv fails, we'll continue
|
|
* and do a simplistic implementation.
|
|
*/
|
|
(void) execv(pypath, argv-1);
|
|
|
|
(void) printf("internal error: %s not found\n"
|
|
"falling back on built-in implementation, "
|
|
"some features will not work\n", pypath);
|
|
|
|
if ((zhp = zfs_open(g_zfs, argv[argc-1], ZFS_TYPE_DATASET)) == NULL)
|
|
return (1);
|
|
|
|
(void) printf("PROP TYPE NAME VALUE\n");
|
|
|
|
for (p = 0; p < ZFS_NUM_USERQUOTA_PROPS; p++) {
|
|
error = zfs_userspace(zhp, p, userspace_cb, &p);
|
|
if (error)
|
|
break;
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* list [-r][-d max] [-H] [-o property[,property]...] [-t type[,type]...]
|
|
* [-s property [-s property]...] [-S property [-S property]...]
|
|
* <dataset> ...
|
|
*
|
|
* -r Recurse over all children
|
|
* -d Limit recursion by depth.
|
|
* -H Scripted mode; elide headers and separate columns by tabs
|
|
* -o Control which fields to display.
|
|
* -t Control which object types to display.
|
|
* -s Specify sort columns, descending order.
|
|
* -S Specify sort columns, ascending order.
|
|
*
|
|
* When given no arguments, lists all filesystems in the system.
|
|
* Otherwise, list the specified datasets, optionally recursing down them if
|
|
* '-r' is specified.
|
|
*/
|
|
typedef struct list_cbdata {
|
|
boolean_t cb_first;
|
|
boolean_t cb_scripted;
|
|
zprop_list_t *cb_proplist;
|
|
} list_cbdata_t;
|
|
|
|
/*
|
|
* Given a list of columns to display, output appropriate headers for each one.
|
|
*/
|
|
static void
|
|
print_header(zprop_list_t *pl)
|
|
{
|
|
char headerbuf[ZFS_MAXPROPLEN];
|
|
const char *header;
|
|
int i;
|
|
boolean_t first = B_TRUE;
|
|
boolean_t right_justify;
|
|
|
|
for (; pl != NULL; pl = pl->pl_next) {
|
|
if (!first) {
|
|
(void) printf(" ");
|
|
} else {
|
|
first = B_FALSE;
|
|
}
|
|
|
|
right_justify = B_FALSE;
|
|
if (pl->pl_prop != ZPROP_INVAL) {
|
|
header = zfs_prop_column_name(pl->pl_prop);
|
|
right_justify = zfs_prop_align_right(pl->pl_prop);
|
|
} else {
|
|
for (i = 0; pl->pl_user_prop[i] != '\0'; i++)
|
|
headerbuf[i] = toupper(pl->pl_user_prop[i]);
|
|
headerbuf[i] = '\0';
|
|
header = headerbuf;
|
|
}
|
|
|
|
if (pl->pl_next == NULL && !right_justify)
|
|
(void) printf("%s", header);
|
|
else if (right_justify)
|
|
(void) printf("%*s", (int)pl->pl_width, header);
|
|
else
|
|
(void) printf("%-*s", (int)pl->pl_width, header);
|
|
}
|
|
|
|
(void) printf("\n");
|
|
}
|
|
|
|
/*
|
|
* Given a dataset and a list of fields, print out all the properties according
|
|
* to the described layout.
|
|
*/
|
|
static void
|
|
print_dataset(zfs_handle_t *zhp, zprop_list_t *pl, boolean_t scripted)
|
|
{
|
|
boolean_t first = B_TRUE;
|
|
char property[ZFS_MAXPROPLEN];
|
|
nvlist_t *userprops = zfs_get_user_props(zhp);
|
|
nvlist_t *propval;
|
|
char *propstr;
|
|
boolean_t right_justify;
|
|
int width;
|
|
|
|
for (; pl != NULL; pl = pl->pl_next) {
|
|
if (!first) {
|
|
if (scripted)
|
|
(void) printf("\t");
|
|
else
|
|
(void) printf(" ");
|
|
} else {
|
|
first = B_FALSE;
|
|
}
|
|
|
|
if (pl->pl_prop != ZPROP_INVAL) {
|
|
if (zfs_prop_get(zhp, pl->pl_prop, property,
|
|
sizeof (property), NULL, NULL, 0, B_FALSE) != 0)
|
|
propstr = "-";
|
|
else
|
|
propstr = property;
|
|
|
|
right_justify = zfs_prop_align_right(pl->pl_prop);
|
|
} else if (zfs_prop_userquota(pl->pl_user_prop)) {
|
|
if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
|
|
property, sizeof (property), B_FALSE) != 0)
|
|
propstr = "-";
|
|
else
|
|
propstr = property;
|
|
right_justify = B_TRUE;
|
|
} else {
|
|
if (nvlist_lookup_nvlist(userprops,
|
|
pl->pl_user_prop, &propval) != 0)
|
|
propstr = "-";
|
|
else
|
|
verify(nvlist_lookup_string(propval,
|
|
ZPROP_VALUE, &propstr) == 0);
|
|
right_justify = B_FALSE;
|
|
}
|
|
|
|
width = pl->pl_width;
|
|
|
|
/*
|
|
* If this is being called in scripted mode, or if this is the
|
|
* last column and it is left-justified, don't include a width
|
|
* format specifier.
|
|
*/
|
|
if (scripted || (pl->pl_next == NULL && !right_justify))
|
|
(void) printf("%s", propstr);
|
|
else if (right_justify)
|
|
(void) printf("%*s", width, propstr);
|
|
else
|
|
(void) printf("%-*s", width, propstr);
|
|
}
|
|
|
|
(void) printf("\n");
|
|
}
|
|
|
|
/*
|
|
* Generic callback function to list a dataset or snapshot.
|
|
*/
|
|
static int
|
|
list_callback(zfs_handle_t *zhp, void *data)
|
|
{
|
|
list_cbdata_t *cbp = data;
|
|
|
|
if (cbp->cb_first) {
|
|
if (!cbp->cb_scripted)
|
|
print_header(cbp->cb_proplist);
|
|
cbp->cb_first = B_FALSE;
|
|
}
|
|
|
|
print_dataset(zhp, cbp->cb_proplist, cbp->cb_scripted);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
zfs_do_list(int argc, char **argv)
|
|
{
|
|
int c;
|
|
boolean_t scripted = B_FALSE;
|
|
static char default_fields[] =
|
|
"name,used,available,referenced,mountpoint";
|
|
int types = ZFS_TYPE_DATASET;
|
|
boolean_t types_specified = B_FALSE;
|
|
char *fields = NULL;
|
|
list_cbdata_t cb = { 0 };
|
|
char *value;
|
|
int limit = 0;
|
|
int ret;
|
|
zfs_sort_column_t *sortcol = NULL;
|
|
int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS;
|
|
|
|
/* check options */
|
|
while ((c = getopt(argc, argv, ":d:o:rt:Hs:S:")) != -1) {
|
|
switch (c) {
|
|
case 'o':
|
|
fields = optarg;
|
|
break;
|
|
case 'd':
|
|
limit = parse_depth(optarg, &flags);
|
|
break;
|
|
case 'r':
|
|
flags |= ZFS_ITER_RECURSE;
|
|
break;
|
|
case 'H':
|
|
scripted = B_TRUE;
|
|
break;
|
|
case 's':
|
|
if (zfs_add_sort_column(&sortcol, optarg,
|
|
B_FALSE) != 0) {
|
|
(void) fprintf(stderr,
|
|
gettext("invalid property '%s'\n"), optarg);
|
|
usage(B_FALSE);
|
|
}
|
|
break;
|
|
case 'S':
|
|
if (zfs_add_sort_column(&sortcol, optarg,
|
|
B_TRUE) != 0) {
|
|
(void) fprintf(stderr,
|
|
gettext("invalid property '%s'\n"), optarg);
|
|
usage(B_FALSE);
|
|
}
|
|
break;
|
|
case 't':
|
|
types = 0;
|
|
types_specified = B_TRUE;
|
|
flags &= ~ZFS_ITER_PROP_LISTSNAPS;
|
|
while (*optarg != '\0') {
|
|
static char *type_subopts[] = { "filesystem",
|
|
"volume", "snapshot", "all", NULL };
|
|
|
|
switch (getsubopt(&optarg, type_subopts,
|
|
&value)) {
|
|
case 0:
|
|
types |= ZFS_TYPE_FILESYSTEM;
|
|
break;
|
|
case 1:
|
|
types |= ZFS_TYPE_VOLUME;
|
|
break;
|
|
case 2:
|
|
types |= ZFS_TYPE_SNAPSHOT;
|
|
break;
|
|
case 3:
|
|
types = ZFS_TYPE_DATASET;
|
|
break;
|
|
|
|
default:
|
|
(void) fprintf(stderr,
|
|
gettext("invalid type '%s'\n"),
|
|
value);
|
|
usage(B_FALSE);
|
|
}
|
|
}
|
|
break;
|
|
case ':':
|
|
(void) fprintf(stderr, gettext("missing argument for "
|
|
"'%c' option\n"), optopt);
|
|
usage(B_FALSE);
|
|
break;
|
|
case '?':
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
optopt);
|
|
usage(B_FALSE);
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (fields == NULL)
|
|
fields = default_fields;
|
|
|
|
/*
|
|
* If "-o space" and no types were specified, don't display snapshots.
|
|
*/
|
|
if (strcmp(fields, "space") == 0 && types_specified == B_FALSE)
|
|
types &= ~ZFS_TYPE_SNAPSHOT;
|
|
|
|
/*
|
|
* If the user specifies '-o all', the zprop_get_list() doesn't
|
|
* normally include the name of the dataset. For 'zfs list', we always
|
|
* want this property to be first.
|
|
*/
|
|
if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
|
|
!= 0)
|
|
usage(B_FALSE);
|
|
|
|
cb.cb_scripted = scripted;
|
|
cb.cb_first = B_TRUE;
|
|
|
|
ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist,
|
|
limit, list_callback, &cb);
|
|
|
|
zprop_free_list(cb.cb_proplist);
|
|
zfs_free_sort_columns(sortcol);
|
|
|
|
if (ret == 0 && cb.cb_first && !cb.cb_scripted)
|
|
(void) printf(gettext("no datasets available\n"));
|
|
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* zfs rename <fs | snap | vol> <fs | snap | vol>
|
|
* zfs rename -p <fs | vol> <fs | vol>
|
|
* zfs rename -r <snap> <snap>
|
|
*
|
|
* Renames the given dataset to another of the same type.
|
|
*
|
|
* The '-p' flag creates all the non-existing ancestors of the target first.
|
|
*/
|
|
/* ARGSUSED */
|
|
static int
|
|
zfs_do_rename(int argc, char **argv)
|
|
{
|
|
zfs_handle_t *zhp;
|
|
int c;
|
|
int ret;
|
|
boolean_t recurse = B_FALSE;
|
|
boolean_t parents = B_FALSE;
|
|
|
|
/* check options */
|
|
while ((c = getopt(argc, argv, "pr")) != -1) {
|
|
switch (c) {
|
|
case 'p':
|
|
parents = B_TRUE;
|
|
break;
|
|
case 'r':
|
|
recurse = B_TRUE;
|
|
break;
|
|
case '?':
|
|
default:
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
optopt);
|
|
usage(B_FALSE);
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
/* check number of arguments */
|
|
if (argc < 1) {
|
|
(void) fprintf(stderr, gettext("missing source dataset "
|
|
"argument\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
if (argc < 2) {
|
|
(void) fprintf(stderr, gettext("missing target dataset "
|
|
"argument\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
if (argc > 2) {
|
|
(void) fprintf(stderr, gettext("too many arguments\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
if (recurse && parents) {
|
|
(void) fprintf(stderr, gettext("-p and -r options are mutually "
|
|
"exclusive\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
if (recurse && strchr(argv[0], '@') == 0) {
|
|
(void) fprintf(stderr, gettext("source dataset for recursive "
|
|
"rename must be a snapshot\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
if ((zhp = zfs_open(g_zfs, argv[0], parents ? ZFS_TYPE_FILESYSTEM |
|
|
ZFS_TYPE_VOLUME : ZFS_TYPE_DATASET)) == NULL)
|
|
return (1);
|
|
|
|
/* If we were asked and the name looks good, try to create ancestors. */
|
|
if (parents && zfs_name_valid(argv[1], zfs_get_type(zhp)) &&
|
|
zfs_create_ancestors(g_zfs, argv[1]) != 0) {
|
|
zfs_close(zhp);
|
|
return (1);
|
|
}
|
|
|
|
ret = (zfs_rename(zhp, argv[1], recurse) != 0);
|
|
|
|
zfs_close(zhp);
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* zfs promote <fs>
|
|
*
|
|
* Promotes the given clone fs to be the parent
|
|
*/
|
|
/* ARGSUSED */
|
|
static int
|
|
zfs_do_promote(int argc, char **argv)
|
|
{
|
|
zfs_handle_t *zhp;
|
|
int ret;
|
|
|
|
/* check options */
|
|
if (argc > 1 && argv[1][0] == '-') {
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
argv[1][1]);
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
/* check number of arguments */
|
|
if (argc < 2) {
|
|
(void) fprintf(stderr, gettext("missing clone filesystem"
|
|
" argument\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
if (argc > 2) {
|
|
(void) fprintf(stderr, gettext("too many arguments\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
zhp = zfs_open(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
|
|
if (zhp == NULL)
|
|
return (1);
|
|
|
|
ret = (zfs_promote(zhp) != 0);
|
|
|
|
|
|
zfs_close(zhp);
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* zfs rollback [-rRf] <snapshot>
|
|
*
|
|
* -r Delete any intervening snapshots before doing rollback
|
|
* -R Delete any snapshots and their clones
|
|
* -f ignored for backwards compatability
|
|
*
|
|
* Given a filesystem, rollback to a specific snapshot, discarding any changes
|
|
* since then and making it the active dataset. If more recent snapshots exist,
|
|
* the command will complain unless the '-r' flag is given.
|
|
*/
|
|
typedef struct rollback_cbdata {
|
|
uint64_t cb_create;
|
|
boolean_t cb_first;
|
|
int cb_doclones;
|
|
char *cb_target;
|
|
int cb_error;
|
|
boolean_t cb_recurse;
|
|
boolean_t cb_dependent;
|
|
} rollback_cbdata_t;
|
|
|
|
/*
|
|
* Report any snapshots more recent than the one specified. Used when '-r' is
|
|
* not specified. We reuse this same callback for the snapshot dependents - if
|
|
* 'cb_dependent' is set, then this is a dependent and we should report it
|
|
* without checking the transaction group.
|
|
*/
|
|
static int
|
|
rollback_check(zfs_handle_t *zhp, void *data)
|
|
{
|
|
rollback_cbdata_t *cbp = data;
|
|
|
|
if (cbp->cb_doclones) {
|
|
zfs_close(zhp);
|
|
return (0);
|
|
}
|
|
|
|
if (!cbp->cb_dependent) {
|
|
if (strcmp(zfs_get_name(zhp), cbp->cb_target) != 0 &&
|
|
zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT &&
|
|
zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) >
|
|
cbp->cb_create) {
|
|
|
|
if (cbp->cb_first && !cbp->cb_recurse) {
|
|
(void) fprintf(stderr, gettext("cannot "
|
|
"rollback to '%s': more recent snapshots "
|
|
"exist\n"),
|
|
cbp->cb_target);
|
|
(void) fprintf(stderr, gettext("use '-r' to "
|
|
"force deletion of the following "
|
|
"snapshots:\n"));
|
|
cbp->cb_first = 0;
|
|
cbp->cb_error = 1;
|
|
}
|
|
|
|
if (cbp->cb_recurse) {
|
|
cbp->cb_dependent = B_TRUE;
|
|
if (zfs_iter_dependents(zhp, B_TRUE,
|
|
rollback_check, cbp) != 0) {
|
|
zfs_close(zhp);
|
|
return (-1);
|
|
}
|
|
cbp->cb_dependent = B_FALSE;
|
|
} else {
|
|
(void) fprintf(stderr, "%s\n",
|
|
zfs_get_name(zhp));
|
|
}
|
|
}
|
|
} else {
|
|
if (cbp->cb_first && cbp->cb_recurse) {
|
|
(void) fprintf(stderr, gettext("cannot rollback to "
|
|
"'%s': clones of previous snapshots exist\n"),
|
|
cbp->cb_target);
|
|
(void) fprintf(stderr, gettext("use '-R' to "
|
|
"force deletion of the following clones and "
|
|
"dependents:\n"));
|
|
cbp->cb_first = 0;
|
|
cbp->cb_error = 1;
|
|
}
|
|
|
|
(void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
|
|
}
|
|
|
|
zfs_close(zhp);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
zfs_do_rollback(int argc, char **argv)
|
|
{
|
|
int ret;
|
|
int c;
|
|
boolean_t force = B_FALSE;
|
|
rollback_cbdata_t cb = { 0 };
|
|
zfs_handle_t *zhp, *snap;
|
|
char parentname[ZFS_MAXNAMELEN];
|
|
char *delim;
|
|
|
|
/* check options */
|
|
while ((c = getopt(argc, argv, "rRf")) != -1) {
|
|
switch (c) {
|
|
case 'r':
|
|
cb.cb_recurse = 1;
|
|
break;
|
|
case 'R':
|
|
cb.cb_recurse = 1;
|
|
cb.cb_doclones = 1;
|
|
break;
|
|
case 'f':
|
|
force = B_TRUE;
|
|
break;
|
|
case '?':
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
optopt);
|
|
usage(B_FALSE);
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
/* check number of arguments */
|
|
if (argc < 1) {
|
|
(void) fprintf(stderr, gettext("missing dataset argument\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
if (argc > 1) {
|
|
(void) fprintf(stderr, gettext("too many arguments\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
/* open the snapshot */
|
|
if ((snap = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL)
|
|
return (1);
|
|
|
|
/* open the parent dataset */
|
|
(void) strlcpy(parentname, argv[0], sizeof (parentname));
|
|
verify((delim = strrchr(parentname, '@')) != NULL);
|
|
*delim = '\0';
|
|
if ((zhp = zfs_open(g_zfs, parentname, ZFS_TYPE_DATASET)) == NULL) {
|
|
zfs_close(snap);
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Check for more recent snapshots and/or clones based on the presence
|
|
* of '-r' and '-R'.
|
|
*/
|
|
cb.cb_target = argv[0];
|
|
cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG);
|
|
cb.cb_first = B_TRUE;
|
|
cb.cb_error = 0;
|
|
if ((ret = zfs_iter_children(zhp, rollback_check, &cb)) != 0)
|
|
goto out;
|
|
|
|
if ((ret = cb.cb_error) != 0)
|
|
goto out;
|
|
|
|
/*
|
|
* Rollback parent to the given snapshot.
|
|
*/
|
|
ret = zfs_rollback(zhp, snap, force);
|
|
|
|
out:
|
|
zfs_close(snap);
|
|
zfs_close(zhp);
|
|
|
|
if (ret == 0)
|
|
return (0);
|
|
else
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* zfs set property=value { fs | snap | vol } ...
|
|
*
|
|
* Sets the given property for all datasets specified on the command line.
|
|
*/
|
|
typedef struct set_cbdata {
|
|
char *cb_propname;
|
|
char *cb_value;
|
|
} set_cbdata_t;
|
|
|
|
static int
|
|
set_callback(zfs_handle_t *zhp, void *data)
|
|
{
|
|
set_cbdata_t *cbp = data;
|
|
|
|
if (zfs_prop_set(zhp, cbp->cb_propname, cbp->cb_value) != 0) {
|
|
switch (libzfs_errno(g_zfs)) {
|
|
case EZFS_MOUNTFAILED:
|
|
(void) fprintf(stderr, gettext("property may be set "
|
|
"but unable to remount filesystem\n"));
|
|
break;
|
|
case EZFS_SHARENFSFAILED:
|
|
(void) fprintf(stderr, gettext("property may be set "
|
|
"but unable to reshare filesystem\n"));
|
|
break;
|
|
}
|
|
return (1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
zfs_do_set(int argc, char **argv)
|
|
{
|
|
set_cbdata_t cb;
|
|
int ret;
|
|
|
|
/* check for options */
|
|
if (argc > 1 && argv[1][0] == '-') {
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
argv[1][1]);
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
/* check number of arguments */
|
|
if (argc < 2) {
|
|
(void) fprintf(stderr, gettext("missing property=value "
|
|
"argument\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
if (argc < 3) {
|
|
(void) fprintf(stderr, gettext("missing dataset name\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
/* validate property=value argument */
|
|
cb.cb_propname = argv[1];
|
|
if (((cb.cb_value = strchr(cb.cb_propname, '=')) == NULL) ||
|
|
(cb.cb_value[1] == '\0')) {
|
|
(void) fprintf(stderr, gettext("missing value in "
|
|
"property=value argument\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
*cb.cb_value = '\0';
|
|
cb.cb_value++;
|
|
|
|
if (*cb.cb_propname == '\0') {
|
|
(void) fprintf(stderr,
|
|
gettext("missing property in property=value argument\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
ret = zfs_for_each(argc - 2, argv + 2, 0,
|
|
ZFS_TYPE_DATASET, NULL, NULL, 0, set_callback, &cb);
|
|
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* zfs snapshot [-r] [-o prop=value] ... <fs@snap>
|
|
*
|
|
* Creates a snapshot with the given name. While functionally equivalent to
|
|
* 'zfs create', it is a separate command to differentiate intent.
|
|
*/
|
|
static int
|
|
zfs_do_snapshot(int argc, char **argv)
|
|
{
|
|
boolean_t recursive = B_FALSE;
|
|
int ret;
|
|
signed char c;
|
|
nvlist_t *props;
|
|
|
|
if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) {
|
|
(void) fprintf(stderr, gettext("internal error: "
|
|
"out of memory\n"));
|
|
return (1);
|
|
}
|
|
|
|
/* check options */
|
|
while ((c = getopt(argc, argv, "ro:")) != -1) {
|
|
switch (c) {
|
|
case 'o':
|
|
if (parseprop(props))
|
|
return (1);
|
|
break;
|
|
case 'r':
|
|
recursive = B_TRUE;
|
|
break;
|
|
case '?':
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
optopt);
|
|
goto usage;
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
/* check number of arguments */
|
|
if (argc < 1) {
|
|
(void) fprintf(stderr, gettext("missing snapshot argument\n"));
|
|
goto usage;
|
|
}
|
|
if (argc > 1) {
|
|
(void) fprintf(stderr, gettext("too many arguments\n"));
|
|
goto usage;
|
|
}
|
|
|
|
ret = zfs_snapshot(g_zfs, argv[0], recursive, props);
|
|
nvlist_free(props);
|
|
if (ret && recursive)
|
|
(void) fprintf(stderr, gettext("no snapshots were created\n"));
|
|
return (ret != 0);
|
|
|
|
usage:
|
|
nvlist_free(props);
|
|
usage(B_FALSE);
|
|
return (-1);
|
|
}
|
|
|
|
/*
|
|
* zfs send [-v] -R [-i|-I <@snap>] <fs@snap>
|
|
* zfs send [-v] [-i|-I <@snap>] <fs@snap>
|
|
*
|
|
* Send a backup stream to stdout.
|
|
*/
|
|
static int
|
|
zfs_do_send(int argc, char **argv)
|
|
{
|
|
char *fromname = NULL;
|
|
char *toname = NULL;
|
|
char *cp;
|
|
zfs_handle_t *zhp;
|
|
boolean_t doall = B_FALSE;
|
|
boolean_t replicate = B_FALSE;
|
|
boolean_t fromorigin = B_FALSE;
|
|
boolean_t verbose = B_FALSE;
|
|
int c, err;
|
|
|
|
/* check options */
|
|
while ((c = getopt(argc, argv, ":i:I:Rv")) != -1) {
|
|
switch (c) {
|
|
case 'i':
|
|
if (fromname)
|
|
usage(B_FALSE);
|
|
fromname = optarg;
|
|
break;
|
|
case 'I':
|
|
if (fromname)
|
|
usage(B_FALSE);
|
|
fromname = optarg;
|
|
doall = B_TRUE;
|
|
break;
|
|
case 'R':
|
|
replicate = B_TRUE;
|
|
break;
|
|
case 'v':
|
|
verbose = B_TRUE;
|
|
break;
|
|
case ':':
|
|
(void) fprintf(stderr, gettext("missing argument for "
|
|
"'%c' option\n"), optopt);
|
|
usage(B_FALSE);
|
|
break;
|
|
case '?':
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
optopt);
|
|
usage(B_FALSE);
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
/* check number of arguments */
|
|
if (argc < 1) {
|
|
(void) fprintf(stderr, gettext("missing snapshot argument\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
if (argc > 1) {
|
|
(void) fprintf(stderr, gettext("too many arguments\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
if (isatty(STDOUT_FILENO)) {
|
|
(void) fprintf(stderr,
|
|
gettext("Error: Stream can not be written to a terminal.\n"
|
|
"You must redirect standard output.\n"));
|
|
return (1);
|
|
}
|
|
|
|
cp = strchr(argv[0], '@');
|
|
if (cp == NULL) {
|
|
(void) fprintf(stderr,
|
|
gettext("argument must be a snapshot\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
*cp = '\0';
|
|
toname = cp + 1;
|
|
zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
|
|
if (zhp == NULL)
|
|
return (1);
|
|
|
|
/*
|
|
* If they specified the full path to the snapshot, chop off
|
|
* everything except the short name of the snapshot, but special
|
|
* case if they specify the origin.
|
|
*/
|
|
if (fromname && (cp = strchr(fromname, '@')) != NULL) {
|
|
char origin[ZFS_MAXNAMELEN];
|
|
zprop_source_t src;
|
|
|
|
(void) zfs_prop_get(zhp, ZFS_PROP_ORIGIN,
|
|
origin, sizeof (origin), &src, NULL, 0, B_FALSE);
|
|
|
|
if (strcmp(origin, fromname) == 0) {
|
|
fromname = NULL;
|
|
fromorigin = B_TRUE;
|
|
} else {
|
|
*cp = '\0';
|
|
if (cp != fromname && strcmp(argv[0], fromname)) {
|
|
(void) fprintf(stderr,
|
|
gettext("incremental source must be "
|
|
"in same filesystem\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
fromname = cp + 1;
|
|
if (strchr(fromname, '@') || strchr(fromname, '/')) {
|
|
(void) fprintf(stderr,
|
|
gettext("invalid incremental source\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (replicate && fromname == NULL)
|
|
doall = B_TRUE;
|
|
|
|
err = zfs_send(zhp, fromname, toname, replicate, doall, fromorigin,
|
|
verbose, STDOUT_FILENO);
|
|
zfs_close(zhp);
|
|
|
|
return (err != 0);
|
|
}
|
|
|
|
/*
|
|
* zfs receive [-dnvF] <fs@snap>
|
|
*
|
|
* Restore a backup stream from stdin.
|
|
*/
|
|
static int
|
|
zfs_do_receive(int argc, char **argv)
|
|
{
|
|
int c, err;
|
|
recvflags_t flags;
|
|
|
|
bzero(&flags, sizeof (recvflags_t));
|
|
/* check options */
|
|
while ((c = getopt(argc, argv, ":dnuvF")) != -1) {
|
|
switch (c) {
|
|
case 'd':
|
|
flags.isprefix = B_TRUE;
|
|
break;
|
|
case 'n':
|
|
flags.dryrun = B_TRUE;
|
|
break;
|
|
case 'u':
|
|
flags.nomount = B_TRUE;
|
|
break;
|
|
case 'v':
|
|
flags.verbose = B_TRUE;
|
|
break;
|
|
case 'F':
|
|
flags.force = B_TRUE;
|
|
break;
|
|
case ':':
|
|
(void) fprintf(stderr, gettext("missing argument for "
|
|
"'%c' option\n"), optopt);
|
|
usage(B_FALSE);
|
|
break;
|
|
case '?':
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
optopt);
|
|
usage(B_FALSE);
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
/* check number of arguments */
|
|
if (argc < 1) {
|
|
(void) fprintf(stderr, gettext("missing snapshot argument\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
if (argc > 1) {
|
|
(void) fprintf(stderr, gettext("too many arguments\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
if (isatty(STDIN_FILENO)) {
|
|
(void) fprintf(stderr,
|
|
gettext("Error: Backup stream can not be read "
|
|
"from a terminal.\n"
|
|
"You must redirect standard input.\n"));
|
|
return (1);
|
|
}
|
|
|
|
err = zfs_receive(g_zfs, argv[0], flags, STDIN_FILENO, NULL);
|
|
|
|
return (err != 0);
|
|
}
|
|
|
|
static int
|
|
zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding)
|
|
{
|
|
int errors = 0;
|
|
int i;
|
|
const char *tag;
|
|
boolean_t recursive = B_FALSE;
|
|
int c;
|
|
int (*func)(zfs_handle_t *, const char *, const char *, boolean_t);
|
|
|
|
/* check options */
|
|
while ((c = getopt(argc, argv, "r")) != -1) {
|
|
switch (c) {
|
|
case 'r':
|
|
recursive = B_TRUE;
|
|
break;
|
|
case '?':
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
optopt);
|
|
usage(B_FALSE);
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
/* check number of arguments */
|
|
if (argc < 2)
|
|
usage(B_FALSE);
|
|
|
|
tag = argv[0];
|
|
--argc;
|
|
++argv;
|
|
|
|
if (holding) {
|
|
if (tag[0] == '.') {
|
|
/* tags starting with '.' are reserved for libzfs */
|
|
(void) fprintf(stderr,
|
|
gettext("tag may not start with '.'\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
func = zfs_hold;
|
|
} else {
|
|
func = zfs_release;
|
|
}
|
|
|
|
for (i = 0; i < argc; ++i) {
|
|
zfs_handle_t *zhp;
|
|
char parent[ZFS_MAXNAMELEN];
|
|
const char *delim;
|
|
char *path = argv[i];
|
|
|
|
delim = strchr(path, '@');
|
|
if (delim == NULL) {
|
|
(void) fprintf(stderr,
|
|
gettext("'%s' is not a snapshot\n"), path);
|
|
++errors;
|
|
continue;
|
|
}
|
|
(void) strncpy(parent, path, delim - path);
|
|
parent[delim - path] = '\0';
|
|
|
|
zhp = zfs_open(g_zfs, parent,
|
|
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
|
|
if (zhp == NULL) {
|
|
++errors;
|
|
continue;
|
|
}
|
|
if (func(zhp, delim+1, tag, recursive) != 0)
|
|
++errors;
|
|
zfs_close(zhp);
|
|
}
|
|
|
|
return (errors != 0);
|
|
}
|
|
|
|
/*
|
|
* zfs hold [-r] <tag> <snap> ...
|
|
*
|
|
* -r Recursively hold
|
|
*
|
|
* Apply a user-hold with the given tag to the list of snapshots.
|
|
*/
|
|
static int
|
|
zfs_do_hold(int argc, char **argv)
|
|
{
|
|
return (zfs_do_hold_rele_impl(argc, argv, B_TRUE));
|
|
}
|
|
|
|
/*
|
|
* zfs release [-r] <tag> <snap> ...
|
|
*
|
|
* -r Recursively release
|
|
*
|
|
* Release a user-hold with the given tag from the list of snapshots.
|
|
*/
|
|
static int
|
|
zfs_do_release(int argc, char **argv)
|
|
{
|
|
return (zfs_do_hold_rele_impl(argc, argv, B_FALSE));
|
|
}
|
|
|
|
typedef struct get_all_cbdata {
|
|
zfs_handle_t **cb_handles;
|
|
size_t cb_alloc;
|
|
size_t cb_used;
|
|
uint_t cb_types;
|
|
boolean_t cb_verbose;
|
|
} get_all_cbdata_t;
|
|
|
|
#define CHECK_SPINNER 30
|
|
#define SPINNER_TIME 3 /* seconds */
|
|
#define MOUNT_TIME 5 /* seconds */
|
|
|
|
#ifdef HAVE_ZPL
|
|
static int
|
|
get_one_dataset(zfs_handle_t *zhp, void *data)
|
|
{
|
|
static char spin[] = { '-', '\\', '|', '/' };
|
|
static int spinval = 0;
|
|
static int spincheck = 0;
|
|
static time_t last_spin_time = (time_t)0;
|
|
get_all_cbdata_t *cbp = data;
|
|
zfs_type_t type = zfs_get_type(zhp);
|
|
|
|
if (cbp->cb_verbose) {
|
|
if (--spincheck < 0) {
|
|
time_t now = time(NULL);
|
|
if (last_spin_time + SPINNER_TIME < now) {
|
|
(void) printf("\b%c", spin[spinval++ % 4]);
|
|
(void) fflush(stdout);
|
|
last_spin_time = now;
|
|
}
|
|
spincheck = CHECK_SPINNER;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Interate over any nested datasets.
|
|
*/
|
|
if (type == ZFS_TYPE_FILESYSTEM &&
|
|
zfs_iter_filesystems(zhp, get_one_dataset, data) != 0) {
|
|
zfs_close(zhp);
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Skip any datasets whose type does not match.
|
|
*/
|
|
if ((type & cbp->cb_types) == 0) {
|
|
zfs_close(zhp);
|
|
return (0);
|
|
}
|
|
|
|
if (cbp->cb_alloc == cbp->cb_used) {
|
|
zfs_handle_t **handles;
|
|
|
|
if (cbp->cb_alloc == 0)
|
|
cbp->cb_alloc = 64;
|
|
else
|
|
cbp->cb_alloc *= 2;
|
|
|
|
handles = safe_malloc(cbp->cb_alloc * sizeof (void *));
|
|
|
|
if (cbp->cb_handles) {
|
|
bcopy(cbp->cb_handles, handles,
|
|
cbp->cb_used * sizeof (void *));
|
|
free(cbp->cb_handles);
|
|
}
|
|
|
|
cbp->cb_handles = handles;
|
|
}
|
|
|
|
cbp->cb_handles[cbp->cb_used++] = zhp;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
get_all_datasets(uint_t types, zfs_handle_t ***dslist, size_t *count,
|
|
boolean_t verbose)
|
|
{
|
|
get_all_cbdata_t cb = { 0 };
|
|
cb.cb_types = types;
|
|
cb.cb_verbose = verbose;
|
|
|
|
if (verbose) {
|
|
(void) printf("%s: *", gettext("Reading ZFS config"));
|
|
(void) fflush(stdout);
|
|
}
|
|
|
|
(void) zfs_iter_root(g_zfs, get_one_dataset, &cb);
|
|
|
|
*dslist = cb.cb_handles;
|
|
*count = cb.cb_used;
|
|
|
|
if (verbose) {
|
|
(void) printf("\b%s\n", gettext("done."));
|
|
}
|
|
}
|
|
|
|
static int
|
|
dataset_cmp(const void *a, const void *b)
|
|
{
|
|
zfs_handle_t **za = (zfs_handle_t **)a;
|
|
zfs_handle_t **zb = (zfs_handle_t **)b;
|
|
char mounta[MAXPATHLEN];
|
|
char mountb[MAXPATHLEN];
|
|
boolean_t gota, gotb;
|
|
|
|
if ((gota = (zfs_get_type(*za) == ZFS_TYPE_FILESYSTEM)) != 0)
|
|
verify(zfs_prop_get(*za, ZFS_PROP_MOUNTPOINT, mounta,
|
|
sizeof (mounta), NULL, NULL, 0, B_FALSE) == 0);
|
|
if ((gotb = (zfs_get_type(*zb) == ZFS_TYPE_FILESYSTEM)) != 0)
|
|
verify(zfs_prop_get(*zb, ZFS_PROP_MOUNTPOINT, mountb,
|
|
sizeof (mountb), NULL, NULL, 0, B_FALSE) == 0);
|
|
|
|
if (gota && gotb)
|
|
return (strcmp(mounta, mountb));
|
|
|
|
if (gota)
|
|
return (-1);
|
|
if (gotb)
|
|
return (1);
|
|
|
|
return (strcmp(zfs_get_name(a), zfs_get_name(b)));
|
|
}
|
|
|
|
/*
|
|
* Generic callback for sharing or mounting filesystems. Because the code is so
|
|
* similar, we have a common function with an extra parameter to determine which
|
|
* mode we are using.
|
|
*/
|
|
#define OP_SHARE 0x1
|
|
#define OP_MOUNT 0x2
|
|
|
|
/*
|
|
* Share or mount a dataset.
|
|
*/
|
|
static int
|
|
share_mount_one(zfs_handle_t *zhp, int op, int flags, char *protocol,
|
|
boolean_t explicit, const char *options)
|
|
{
|
|
char mountpoint[ZFS_MAXPROPLEN];
|
|
char shareopts[ZFS_MAXPROPLEN];
|
|
char smbshareopts[ZFS_MAXPROPLEN];
|
|
const char *cmdname = op == OP_SHARE ? "share" : "mount";
|
|
struct mnttab mnt;
|
|
uint64_t zoned, canmount;
|
|
zfs_type_t type = zfs_get_type(zhp);
|
|
boolean_t shared_nfs, shared_smb;
|
|
|
|
assert(type & (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME));
|
|
|
|
if (type == ZFS_TYPE_FILESYSTEM) {
|
|
/*
|
|
* Check to make sure we can mount/share this dataset. If we
|
|
* are in the global zone and the filesystem is exported to a
|
|
* local zone, or if we are in a local zone and the
|
|
* filesystem is not exported, then it is an error.
|
|
*/
|
|
zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
|
|
|
|
if (zoned && getzoneid() == GLOBAL_ZONEID) {
|
|
if (!explicit)
|
|
return (0);
|
|
|
|
(void) fprintf(stderr, gettext("cannot %s '%s': "
|
|
"dataset is exported to a local zone\n"), cmdname,
|
|
zfs_get_name(zhp));
|
|
return (1);
|
|
|
|
} else if (!zoned && getzoneid() != GLOBAL_ZONEID) {
|
|
if (!explicit)
|
|
return (0);
|
|
|
|
(void) fprintf(stderr, gettext("cannot %s '%s': "
|
|
"permission denied\n"), cmdname,
|
|
zfs_get_name(zhp));
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Ignore any filesystems which don't apply to us. This
|
|
* includes those with a legacy mountpoint, or those with
|
|
* legacy share options.
|
|
*/
|
|
verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint,
|
|
sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0);
|
|
verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts,
|
|
sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0);
|
|
verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts,
|
|
sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0);
|
|
|
|
if (op == OP_SHARE && strcmp(shareopts, "off") == 0 &&
|
|
strcmp(smbshareopts, "off") == 0) {
|
|
if (!explicit)
|
|
return (0);
|
|
|
|
(void) fprintf(stderr, gettext("cannot share '%s': "
|
|
"legacy share\n"), zfs_get_name(zhp));
|
|
(void) fprintf(stderr, gettext("use share(1M) to "
|
|
"share this filesystem, or set "
|
|
"sharenfs property on\n"));
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* We cannot share or mount legacy filesystems. If the
|
|
* shareopts is non-legacy but the mountpoint is legacy, we
|
|
* treat it as a legacy share.
|
|
*/
|
|
if (strcmp(mountpoint, "legacy") == 0) {
|
|
if (!explicit)
|
|
return (0);
|
|
|
|
(void) fprintf(stderr, gettext("cannot %s '%s': "
|
|
"legacy mountpoint\n"), cmdname, zfs_get_name(zhp));
|
|
(void) fprintf(stderr, gettext("use %s(1M) to "
|
|
"%s this filesystem\n"), cmdname, cmdname);
|
|
return (1);
|
|
}
|
|
|
|
if (strcmp(mountpoint, "none") == 0) {
|
|
if (!explicit)
|
|
return (0);
|
|
|
|
(void) fprintf(stderr, gettext("cannot %s '%s': no "
|
|
"mountpoint set\n"), cmdname, zfs_get_name(zhp));
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* canmount explicit outcome
|
|
* on no pass through
|
|
* on yes pass through
|
|
* off no return 0
|
|
* off yes display error, return 1
|
|
* noauto no return 0
|
|
* noauto yes pass through
|
|
*/
|
|
canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
|
|
if (canmount == ZFS_CANMOUNT_OFF) {
|
|
if (!explicit)
|
|
return (0);
|
|
|
|
(void) fprintf(stderr, gettext("cannot %s '%s': "
|
|
"'canmount' property is set to 'off'\n"), cmdname,
|
|
zfs_get_name(zhp));
|
|
return (1);
|
|
} else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) {
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* At this point, we have verified that the mountpoint and/or
|
|
* shareopts are appropriate for auto management. If the
|
|
* filesystem is already mounted or shared, return (failing
|
|
* for explicit requests); otherwise mount or share the
|
|
* filesystem.
|
|
*/
|
|
switch (op) {
|
|
case OP_SHARE:
|
|
|
|
shared_nfs = zfs_is_shared_nfs(zhp, NULL);
|
|
shared_smb = zfs_is_shared_smb(zhp, NULL);
|
|
|
|
if (shared_nfs && shared_smb ||
|
|
(shared_nfs && strcmp(shareopts, "on") == 0 &&
|
|
strcmp(smbshareopts, "off") == 0) ||
|
|
(shared_smb && strcmp(smbshareopts, "on") == 0 &&
|
|
strcmp(shareopts, "off") == 0)) {
|
|
if (!explicit)
|
|
return (0);
|
|
|
|
(void) fprintf(stderr, gettext("cannot share "
|
|
"'%s': filesystem already shared\n"),
|
|
zfs_get_name(zhp));
|
|
return (1);
|
|
}
|
|
|
|
if (!zfs_is_mounted(zhp, NULL) &&
|
|
zfs_mount(zhp, NULL, 0) != 0)
|
|
return (1);
|
|
|
|
if (protocol == NULL) {
|
|
if (zfs_shareall(zhp) != 0)
|
|
return (1);
|
|
} else if (strcmp(protocol, "nfs") == 0) {
|
|
if (zfs_share_nfs(zhp))
|
|
return (1);
|
|
} else if (strcmp(protocol, "smb") == 0) {
|
|
if (zfs_share_smb(zhp))
|
|
return (1);
|
|
} else {
|
|
(void) fprintf(stderr, gettext("cannot share "
|
|
"'%s': invalid share type '%s' "
|
|
"specified\n"),
|
|
zfs_get_name(zhp), protocol);
|
|
return (1);
|
|
}
|
|
|
|
break;
|
|
|
|
case OP_MOUNT:
|
|
if (options == NULL)
|
|
mnt.mnt_mntopts = "";
|
|
else
|
|
mnt.mnt_mntopts = (char *)options;
|
|
|
|
if (!hasmntopt(&mnt, MNTOPT_REMOUNT) &&
|
|
zfs_is_mounted(zhp, NULL)) {
|
|
if (!explicit)
|
|
return (0);
|
|
|
|
(void) fprintf(stderr, gettext("cannot mount "
|
|
"'%s': filesystem already mounted\n"),
|
|
zfs_get_name(zhp));
|
|
return (1);
|
|
}
|
|
|
|
if (zfs_mount(zhp, options, flags) != 0)
|
|
return (1);
|
|
break;
|
|
}
|
|
} else {
|
|
assert(op == OP_SHARE);
|
|
|
|
/*
|
|
* Ignore any volumes that aren't shared.
|
|
*/
|
|
verify(zfs_prop_get(zhp, ZFS_PROP_SHAREISCSI, shareopts,
|
|
sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0);
|
|
|
|
if (strcmp(shareopts, "off") == 0) {
|
|
if (!explicit)
|
|
return (0);
|
|
|
|
(void) fprintf(stderr, gettext("cannot share '%s': "
|
|
"'shareiscsi' property not set\n"),
|
|
zfs_get_name(zhp));
|
|
(void) fprintf(stderr, gettext("set 'shareiscsi' "
|
|
"property or use iscsitadm(1M) to share this "
|
|
"volume\n"));
|
|
return (1);
|
|
}
|
|
|
|
if (zfs_is_shared_iscsi(zhp)) {
|
|
if (!explicit)
|
|
return (0);
|
|
|
|
(void) fprintf(stderr, gettext("cannot share "
|
|
"'%s': volume already shared\n"),
|
|
zfs_get_name(zhp));
|
|
return (1);
|
|
}
|
|
|
|
if (zfs_share_iscsi(zhp) != 0)
|
|
return (1);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Reports progress in the form "(current/total)". Not thread-safe.
|
|
*/
|
|
static void
|
|
report_mount_progress(int current, int total)
|
|
{
|
|
static int len;
|
|
static char *reverse = "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"
|
|
"\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b";
|
|
static time_t last_progress_time;
|
|
time_t now = time(NULL);
|
|
|
|
/* report 1..n instead of 0..n-1 */
|
|
++current;
|
|
|
|
/* display header if we're here for the first time */
|
|
if (current == 1) {
|
|
(void) printf(gettext("Mounting ZFS filesystems: "));
|
|
len = 0;
|
|
} else if (current != total && last_progress_time + MOUNT_TIME >= now) {
|
|
/* too soon to report again */
|
|
return;
|
|
}
|
|
|
|
last_progress_time = now;
|
|
|
|
/* back up to prepare for overwriting */
|
|
if (len)
|
|
(void) printf("%*.*s", len, len, reverse);
|
|
|
|
/* We put a newline at the end if this is the last one. */
|
|
len = printf("(%d/%d)%s", current, total, current == total ? "\n" : "");
|
|
(void) fflush(stdout);
|
|
}
|
|
|
|
static void
|
|
append_options(char *mntopts, char *newopts)
|
|
{
|
|
int len = strlen(mntopts);
|
|
|
|
/* original length plus new string to append plus 1 for the comma */
|
|
if (len + 1 + strlen(newopts) >= MNT_LINE_MAX) {
|
|
(void) fprintf(stderr, gettext("the opts argument for "
|
|
"'%s' option is too long (more than %d chars)\n"),
|
|
"-o", MNT_LINE_MAX);
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
if (*mntopts)
|
|
mntopts[len++] = ',';
|
|
|
|
(void) strcpy(&mntopts[len], newopts);
|
|
}
|
|
|
|
static int
|
|
share_mount(int op, int argc, char **argv)
|
|
{
|
|
int do_all = 0;
|
|
boolean_t verbose = B_FALSE;
|
|
int c, ret = 0;
|
|
char *options = NULL;
|
|
int types, flags = 0;
|
|
|
|
/* check options */
|
|
while ((c = getopt(argc, argv, op == OP_MOUNT ? ":avo:O" : "a"))
|
|
!= -1) {
|
|
switch (c) {
|
|
case 'a':
|
|
do_all = 1;
|
|
break;
|
|
case 'v':
|
|
verbose = B_TRUE;
|
|
break;
|
|
case 'o':
|
|
if (*optarg == '\0') {
|
|
(void) fprintf(stderr, gettext("empty mount "
|
|
"options (-o) specified\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
if (options == NULL)
|
|
options = safe_malloc(MNT_LINE_MAX + 1);
|
|
|
|
/* option validation is done later */
|
|
append_options(options, optarg);
|
|
break;
|
|
|
|
case 'O':
|
|
flags |= MS_OVERLAY;
|
|
break;
|
|
case ':':
|
|
(void) fprintf(stderr, gettext("missing argument for "
|
|
"'%c' option\n"), optopt);
|
|
usage(B_FALSE);
|
|
break;
|
|
case '?':
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
optopt);
|
|
usage(B_FALSE);
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
/* check number of arguments */
|
|
if (do_all) {
|
|
zfs_handle_t **dslist = NULL;
|
|
size_t i, count = 0;
|
|
char *protocol = NULL;
|
|
|
|
if (op == OP_MOUNT) {
|
|
types = ZFS_TYPE_FILESYSTEM;
|
|
} else if (argc > 0) {
|
|
if (strcmp(argv[0], "nfs") == 0 ||
|
|
strcmp(argv[0], "smb") == 0) {
|
|
types = ZFS_TYPE_FILESYSTEM;
|
|
} else if (strcmp(argv[0], "iscsi") == 0) {
|
|
types = ZFS_TYPE_VOLUME;
|
|
} else {
|
|
(void) fprintf(stderr, gettext("share type "
|
|
"must be 'nfs', 'smb' or 'iscsi'\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
protocol = argv[0];
|
|
argc--;
|
|
argv++;
|
|
} else {
|
|
types = ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
|
|
}
|
|
|
|
if (argc != 0) {
|
|
(void) fprintf(stderr, gettext("too many arguments\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
get_all_datasets(types, &dslist, &count, verbose);
|
|
|
|
if (count == 0)
|
|
return (0);
|
|
|
|
qsort(dslist, count, sizeof (void *), dataset_cmp);
|
|
|
|
for (i = 0; i < count; i++) {
|
|
if (verbose)
|
|
report_mount_progress(i, count);
|
|
|
|
if (share_mount_one(dslist[i], op, flags, protocol,
|
|
B_FALSE, options) != 0)
|
|
ret = 1;
|
|
zfs_close(dslist[i]);
|
|
}
|
|
|
|
free(dslist);
|
|
} else if (argc == 0) {
|
|
struct mnttab entry;
|
|
|
|
if ((op == OP_SHARE) || (options != NULL)) {
|
|
(void) fprintf(stderr, gettext("missing filesystem "
|
|
"argument (specify -a for all)\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
/*
|
|
* When mount is given no arguments, go through /etc/mnttab and
|
|
* display any active ZFS mounts. We hide any snapshots, since
|
|
* they are controlled automatically.
|
|
*/
|
|
rewind(mnttab_file);
|
|
while (getmntent(mnttab_file, &entry) == 0) {
|
|
if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0 ||
|
|
strchr(entry.mnt_special, '@') != NULL)
|
|
continue;
|
|
|
|
(void) printf("%-30s %s\n", entry.mnt_special,
|
|
entry.mnt_mountp);
|
|
}
|
|
|
|
} else {
|
|
zfs_handle_t *zhp;
|
|
|
|
types = ZFS_TYPE_FILESYSTEM;
|
|
if (op == OP_SHARE)
|
|
types |= ZFS_TYPE_VOLUME;
|
|
|
|
if (argc > 1) {
|
|
(void) fprintf(stderr,
|
|
gettext("too many arguments\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
if ((zhp = zfs_open(g_zfs, argv[0], types)) == NULL) {
|
|
ret = 1;
|
|
} else {
|
|
ret = share_mount_one(zhp, op, flags, NULL, B_TRUE,
|
|
options);
|
|
zfs_close(zhp);
|
|
}
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
#endif /* HAVE_ZPL */
|
|
|
|
/*
|
|
* zfs mount -a [nfs | iscsi]
|
|
* zfs mount filesystem
|
|
*
|
|
* Mount all filesystems, or mount the given filesystem.
|
|
*/
|
|
static int
|
|
zfs_do_mount(int argc, char **argv)
|
|
{
|
|
#ifdef HAVE_ZPL
|
|
return (share_mount(OP_MOUNT, argc, argv));
|
|
#else
|
|
return ENOSYS;
|
|
#endif /* HAVE_ZPL */
|
|
}
|
|
|
|
/*
|
|
* zfs share -a [nfs | iscsi | smb]
|
|
* zfs share filesystem
|
|
*
|
|
* Share all filesystems, or share the given filesystem.
|
|
*/
|
|
static int
|
|
zfs_do_share(int argc, char **argv)
|
|
{
|
|
#ifdef HAVE_ZPL
|
|
return (share_mount(OP_SHARE, argc, argv));
|
|
#else
|
|
return ENOSYS;
|
|
#endif /* HAVE_ZPL */
|
|
}
|
|
|
|
#ifdef HAVE_ZPL
|
|
typedef struct unshare_unmount_node {
|
|
zfs_handle_t *un_zhp;
|
|
char *un_mountp;
|
|
uu_avl_node_t un_avlnode;
|
|
} unshare_unmount_node_t;
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
unshare_unmount_compare(const void *larg, const void *rarg, void *unused)
|
|
{
|
|
const unshare_unmount_node_t *l = larg;
|
|
const unshare_unmount_node_t *r = rarg;
|
|
|
|
return (strcmp(l->un_mountp, r->un_mountp));
|
|
}
|
|
|
|
/*
|
|
* Convenience routine used by zfs_do_umount() and manual_unmount(). Given an
|
|
* absolute path, find the entry /etc/mnttab, verify that its a ZFS filesystem,
|
|
* and unmount it appropriately.
|
|
*/
|
|
static int
|
|
unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual)
|
|
{
|
|
zfs_handle_t *zhp;
|
|
int ret;
|
|
struct stat64 statbuf;
|
|
struct extmnttab entry;
|
|
const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount";
|
|
ino_t path_inode;
|
|
|
|
/*
|
|
* Search for the path in /etc/mnttab. Rather than looking for the
|
|
* specific path, which can be fooled by non-standard paths (i.e. ".."
|
|
* or "//"), we stat() the path and search for the corresponding
|
|
* (major,minor) device pair.
|
|
*/
|
|
if (stat64(path, &statbuf) != 0) {
|
|
(void) fprintf(stderr, gettext("cannot %s '%s': %s\n"),
|
|
cmdname, path, strerror(errno));
|
|
return (1);
|
|
}
|
|
path_inode = statbuf.st_ino;
|
|
|
|
/*
|
|
* Search for the given (major,minor) pair in the mount table.
|
|
*/
|
|
rewind(mnttab_file);
|
|
while ((ret = getextmntent(mnttab_file, &entry, 0)) == 0) {
|
|
if (entry.mnt_major == major(statbuf.st_dev) &&
|
|
entry.mnt_minor == minor(statbuf.st_dev))
|
|
break;
|
|
}
|
|
if (ret != 0) {
|
|
if (op == OP_SHARE) {
|
|
(void) fprintf(stderr, gettext("cannot %s '%s': not "
|
|
"currently mounted\n"), cmdname, path);
|
|
return (1);
|
|
}
|
|
(void) fprintf(stderr, gettext("warning: %s not in mnttab\n"),
|
|
path);
|
|
if ((ret = umount2(path, flags)) != 0)
|
|
(void) fprintf(stderr, gettext("%s: %s\n"), path,
|
|
strerror(errno));
|
|
return (ret != 0);
|
|
}
|
|
|
|
if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) {
|
|
(void) fprintf(stderr, gettext("cannot %s '%s': not a ZFS "
|
|
"filesystem\n"), cmdname, path);
|
|
return (1);
|
|
}
|
|
|
|
if ((zhp = zfs_open(g_zfs, entry.mnt_special,
|
|
ZFS_TYPE_FILESYSTEM)) == NULL)
|
|
return (1);
|
|
|
|
ret = 1;
|
|
if (stat64(entry.mnt_mountp, &statbuf) != 0) {
|
|
(void) fprintf(stderr, gettext("cannot %s '%s': %s\n"),
|
|
cmdname, path, strerror(errno));
|
|
goto out;
|
|
} else if (statbuf.st_ino != path_inode) {
|
|
(void) fprintf(stderr, gettext("cannot "
|
|
"%s '%s': not a mountpoint\n"), cmdname, path);
|
|
goto out;
|
|
}
|
|
|
|
if (op == OP_SHARE) {
|
|
char nfs_mnt_prop[ZFS_MAXPROPLEN];
|
|
char smbshare_prop[ZFS_MAXPROPLEN];
|
|
|
|
verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, nfs_mnt_prop,
|
|
sizeof (nfs_mnt_prop), NULL, NULL, 0, B_FALSE) == 0);
|
|
verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshare_prop,
|
|
sizeof (smbshare_prop), NULL, NULL, 0, B_FALSE) == 0);
|
|
|
|
if (strcmp(nfs_mnt_prop, "off") == 0 &&
|
|
strcmp(smbshare_prop, "off") == 0) {
|
|
(void) fprintf(stderr, gettext("cannot unshare "
|
|
"'%s': legacy share\n"), path);
|
|
(void) fprintf(stderr, gettext("use "
|
|
"unshare(1M) to unshare this filesystem\n"));
|
|
} else if (!zfs_is_shared(zhp)) {
|
|
(void) fprintf(stderr, gettext("cannot unshare '%s': "
|
|
"not currently shared\n"), path);
|
|
} else {
|
|
ret = zfs_unshareall_bypath(zhp, path);
|
|
}
|
|
} else {
|
|
char mtpt_prop[ZFS_MAXPROPLEN];
|
|
|
|
verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mtpt_prop,
|
|
sizeof (mtpt_prop), NULL, NULL, 0, B_FALSE) == 0);
|
|
|
|
if (is_manual) {
|
|
ret = zfs_unmount(zhp, NULL, flags);
|
|
} else if (strcmp(mtpt_prop, "legacy") == 0) {
|
|
(void) fprintf(stderr, gettext("cannot unmount "
|
|
"'%s': legacy mountpoint\n"),
|
|
zfs_get_name(zhp));
|
|
(void) fprintf(stderr, gettext("use umount(1M) "
|
|
"to unmount this filesystem\n"));
|
|
} else {
|
|
ret = zfs_unmountall(zhp, flags);
|
|
}
|
|
}
|
|
|
|
out:
|
|
zfs_close(zhp);
|
|
|
|
return (ret != 0);
|
|
}
|
|
|
|
/*
|
|
* Generic callback for unsharing or unmounting a filesystem.
|
|
*/
|
|
static int
|
|
unshare_unmount(int op, int argc, char **argv)
|
|
{
|
|
int do_all = 0;
|
|
int flags = 0;
|
|
int ret = 0;
|
|
int types, c;
|
|
zfs_handle_t *zhp;
|
|
char nfsiscsi_mnt_prop[ZFS_MAXPROPLEN];
|
|
char sharesmb[ZFS_MAXPROPLEN];
|
|
|
|
/* check options */
|
|
while ((c = getopt(argc, argv, op == OP_SHARE ? "a" : "af")) != -1) {
|
|
switch (c) {
|
|
case 'a':
|
|
do_all = 1;
|
|
break;
|
|
case 'f':
|
|
flags = MS_FORCE;
|
|
break;
|
|
case '?':
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
optopt);
|
|
usage(B_FALSE);
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (do_all) {
|
|
/*
|
|
* We could make use of zfs_for_each() to walk all datasets in
|
|
* the system, but this would be very inefficient, especially
|
|
* since we would have to linearly search /etc/mnttab for each
|
|
* one. Instead, do one pass through /etc/mnttab looking for
|
|
* zfs entries and call zfs_unmount() for each one.
|
|
*
|
|
* Things get a little tricky if the administrator has created
|
|
* mountpoints beneath other ZFS filesystems. In this case, we
|
|
* have to unmount the deepest filesystems first. To accomplish
|
|
* this, we place all the mountpoints in an AVL tree sorted by
|
|
* the special type (dataset name), and walk the result in
|
|
* reverse to make sure to get any snapshots first.
|
|
*/
|
|
struct mnttab entry;
|
|
uu_avl_pool_t *pool;
|
|
uu_avl_t *tree;
|
|
unshare_unmount_node_t *node;
|
|
uu_avl_index_t idx;
|
|
uu_avl_walk_t *walk;
|
|
|
|
if (argc != 0) {
|
|
(void) fprintf(stderr, gettext("too many arguments\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
if ((pool = uu_avl_pool_create("unmount_pool",
|
|
sizeof (unshare_unmount_node_t),
|
|
offsetof(unshare_unmount_node_t, un_avlnode),
|
|
unshare_unmount_compare,
|
|
UU_DEFAULT)) == NULL) {
|
|
(void) fprintf(stderr, gettext("internal error: "
|
|
"out of memory\n"));
|
|
exit(1);
|
|
}
|
|
|
|
if ((tree = uu_avl_create(pool, NULL, UU_DEFAULT)) == NULL) {
|
|
(void) fprintf(stderr, gettext("internal error: "
|
|
"out of memory\n"));
|
|
exit(1);
|
|
}
|
|
|
|
rewind(mnttab_file);
|
|
while (getmntent(mnttab_file, &entry) == 0) {
|
|
|
|
/* ignore non-ZFS entries */
|
|
if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0)
|
|
continue;
|
|
|
|
/* ignore snapshots */
|
|
if (strchr(entry.mnt_special, '@') != NULL)
|
|
continue;
|
|
|
|
if ((zhp = zfs_open(g_zfs, entry.mnt_special,
|
|
ZFS_TYPE_FILESYSTEM)) == NULL) {
|
|
ret = 1;
|
|
continue;
|
|
}
|
|
|
|
switch (op) {
|
|
case OP_SHARE:
|
|
verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
|
|
nfsiscsi_mnt_prop,
|
|
sizeof (nfsiscsi_mnt_prop),
|
|
NULL, NULL, 0, B_FALSE) == 0);
|
|
if (strcmp(nfsiscsi_mnt_prop, "off") != 0)
|
|
break;
|
|
verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
|
|
nfsiscsi_mnt_prop,
|
|
sizeof (nfsiscsi_mnt_prop),
|
|
NULL, NULL, 0, B_FALSE) == 0);
|
|
if (strcmp(nfsiscsi_mnt_prop, "off") == 0)
|
|
continue;
|
|
break;
|
|
case OP_MOUNT:
|
|
/* Ignore legacy mounts */
|
|
verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT,
|
|
nfsiscsi_mnt_prop,
|
|
sizeof (nfsiscsi_mnt_prop),
|
|
NULL, NULL, 0, B_FALSE) == 0);
|
|
if (strcmp(nfsiscsi_mnt_prop, "legacy") == 0)
|
|
continue;
|
|
/* Ignore canmount=noauto mounts */
|
|
if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) ==
|
|
ZFS_CANMOUNT_NOAUTO)
|
|
continue;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
node = safe_malloc(sizeof (unshare_unmount_node_t));
|
|
node->un_zhp = zhp;
|
|
|
|
if ((node->un_mountp = strdup(entry.mnt_mountp)) ==
|
|
NULL) {
|
|
(void) fprintf(stderr, gettext("internal error:"
|
|
" out of memory\n"));
|
|
exit(1);
|
|
}
|
|
|
|
uu_avl_node_init(node, &node->un_avlnode, pool);
|
|
|
|
if (uu_avl_find(tree, node, NULL, &idx) == NULL) {
|
|
uu_avl_insert(tree, node, idx);
|
|
} else {
|
|
zfs_close(node->un_zhp);
|
|
free(node->un_mountp);
|
|
free(node);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Walk the AVL tree in reverse, unmounting each filesystem and
|
|
* removing it from the AVL tree in the process.
|
|
*/
|
|
if ((walk = uu_avl_walk_start(tree,
|
|
UU_WALK_REVERSE | UU_WALK_ROBUST)) == NULL) {
|
|
(void) fprintf(stderr,
|
|
gettext("internal error: out of memory"));
|
|
exit(1);
|
|
}
|
|
|
|
while ((node = uu_avl_walk_next(walk)) != NULL) {
|
|
uu_avl_remove(tree, node);
|
|
|
|
switch (op) {
|
|
case OP_SHARE:
|
|
if (zfs_unshareall_bypath(node->un_zhp,
|
|
node->un_mountp) != 0)
|
|
ret = 1;
|
|
break;
|
|
|
|
case OP_MOUNT:
|
|
if (zfs_unmount(node->un_zhp,
|
|
node->un_mountp, flags) != 0)
|
|
ret = 1;
|
|
break;
|
|
}
|
|
|
|
zfs_close(node->un_zhp);
|
|
free(node->un_mountp);
|
|
free(node);
|
|
}
|
|
|
|
uu_avl_walk_end(walk);
|
|
uu_avl_destroy(tree);
|
|
uu_avl_pool_destroy(pool);
|
|
|
|
if (op == OP_SHARE) {
|
|
/*
|
|
* Finally, unshare any volumes shared via iSCSI.
|
|
*/
|
|
zfs_handle_t **dslist = NULL;
|
|
size_t i, count = 0;
|
|
|
|
get_all_datasets(ZFS_TYPE_VOLUME, &dslist, &count,
|
|
B_FALSE);
|
|
|
|
if (count != 0) {
|
|
qsort(dslist, count, sizeof (void *),
|
|
dataset_cmp);
|
|
|
|
for (i = 0; i < count; i++) {
|
|
if (zfs_unshare_iscsi(dslist[i]) != 0)
|
|
ret = 1;
|
|
zfs_close(dslist[i]);
|
|
}
|
|
|
|
free(dslist);
|
|
}
|
|
}
|
|
} else {
|
|
if (argc != 1) {
|
|
if (argc == 0)
|
|
(void) fprintf(stderr,
|
|
gettext("missing filesystem argument\n"));
|
|
else
|
|
(void) fprintf(stderr,
|
|
gettext("too many arguments\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
/*
|
|
* We have an argument, but it may be a full path or a ZFS
|
|
* filesystem. Pass full paths off to unmount_path() (shared by
|
|
* manual_unmount), otherwise open the filesystem and pass to
|
|
* zfs_unmount().
|
|
*/
|
|
if (argv[0][0] == '/')
|
|
return (unshare_unmount_path(op, argv[0],
|
|
flags, B_FALSE));
|
|
|
|
types = ZFS_TYPE_FILESYSTEM;
|
|
if (op == OP_SHARE)
|
|
types |= ZFS_TYPE_VOLUME;
|
|
|
|
if ((zhp = zfs_open(g_zfs, argv[0], types)) == NULL)
|
|
return (1);
|
|
|
|
if (zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
|
|
verify(zfs_prop_get(zhp, op == OP_SHARE ?
|
|
ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT,
|
|
nfsiscsi_mnt_prop, sizeof (nfsiscsi_mnt_prop), NULL,
|
|
NULL, 0, B_FALSE) == 0);
|
|
|
|
switch (op) {
|
|
case OP_SHARE:
|
|
verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
|
|
nfsiscsi_mnt_prop,
|
|
sizeof (nfsiscsi_mnt_prop),
|
|
NULL, NULL, 0, B_FALSE) == 0);
|
|
verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
|
|
sharesmb, sizeof (sharesmb), NULL, NULL,
|
|
0, B_FALSE) == 0);
|
|
|
|
if (strcmp(nfsiscsi_mnt_prop, "off") == 0 &&
|
|
strcmp(sharesmb, "off") == 0) {
|
|
(void) fprintf(stderr, gettext("cannot "
|
|
"unshare '%s': legacy share\n"),
|
|
zfs_get_name(zhp));
|
|
(void) fprintf(stderr, gettext("use "
|
|
"unshare(1M) to unshare this "
|
|
"filesystem\n"));
|
|
ret = 1;
|
|
} else if (!zfs_is_shared(zhp)) {
|
|
(void) fprintf(stderr, gettext("cannot "
|
|
"unshare '%s': not currently "
|
|
"shared\n"), zfs_get_name(zhp));
|
|
ret = 1;
|
|
} else if (zfs_unshareall(zhp) != 0) {
|
|
ret = 1;
|
|
}
|
|
break;
|
|
|
|
case OP_MOUNT:
|
|
if (strcmp(nfsiscsi_mnt_prop, "legacy") == 0) {
|
|
(void) fprintf(stderr, gettext("cannot "
|
|
"unmount '%s': legacy "
|
|
"mountpoint\n"), zfs_get_name(zhp));
|
|
(void) fprintf(stderr, gettext("use "
|
|
"umount(1M) to unmount this "
|
|
"filesystem\n"));
|
|
ret = 1;
|
|
} else if (!zfs_is_mounted(zhp, NULL)) {
|
|
(void) fprintf(stderr, gettext("cannot "
|
|
"unmount '%s': not currently "
|
|
"mounted\n"),
|
|
zfs_get_name(zhp));
|
|
ret = 1;
|
|
} else if (zfs_unmountall(zhp, flags) != 0) {
|
|
ret = 1;
|
|
}
|
|
break;
|
|
}
|
|
} else {
|
|
assert(op == OP_SHARE);
|
|
|
|
verify(zfs_prop_get(zhp, ZFS_PROP_SHAREISCSI,
|
|
nfsiscsi_mnt_prop, sizeof (nfsiscsi_mnt_prop),
|
|
NULL, NULL, 0, B_FALSE) == 0);
|
|
|
|
if (strcmp(nfsiscsi_mnt_prop, "off") == 0) {
|
|
(void) fprintf(stderr, gettext("cannot unshare "
|
|
"'%s': 'shareiscsi' property not set\n"),
|
|
zfs_get_name(zhp));
|
|
(void) fprintf(stderr, gettext("set "
|
|
"'shareiscsi' property or use "
|
|
"iscsitadm(1M) to share this volume\n"));
|
|
ret = 1;
|
|
} else if (!zfs_is_shared_iscsi(zhp)) {
|
|
(void) fprintf(stderr, gettext("cannot "
|
|
"unshare '%s': not currently shared\n"),
|
|
zfs_get_name(zhp));
|
|
ret = 1;
|
|
} else if (zfs_unshare_iscsi(zhp) != 0) {
|
|
ret = 1;
|
|
}
|
|
}
|
|
|
|
zfs_close(zhp);
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
#endif /* HAVE_ZPL */
|
|
|
|
/*
|
|
* zfs unmount -a
|
|
* zfs unmount filesystem
|
|
*
|
|
* Unmount all filesystems, or a specific ZFS filesystem.
|
|
*/
|
|
static int
|
|
zfs_do_unmount(int argc, char **argv)
|
|
{
|
|
#ifdef HAVE_ZPL
|
|
return (unshare_unmount(OP_MOUNT, argc, argv));
|
|
#else
|
|
return ENOSYS;
|
|
#endif /* HAVE_ZPL */
|
|
}
|
|
|
|
/*
|
|
* zfs unshare -a
|
|
* zfs unshare filesystem
|
|
*
|
|
* Unshare all filesystems, or a specific ZFS filesystem.
|
|
*/
|
|
static int
|
|
zfs_do_unshare(int argc, char **argv)
|
|
{
|
|
#ifdef HAVE_ZPL
|
|
return (unshare_unmount(OP_SHARE, argc, argv));
|
|
#else
|
|
return ENOSYS;
|
|
#endif /* HAVE_ZPL */
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
zfs_do_python(int argc, char **argv)
|
|
{
|
|
(void) execv(pypath, argv-1);
|
|
(void) printf("internal error: %s not found\n", pypath);
|
|
return (-1);
|
|
}
|
|
|
|
/*
|
|
* Called when invoked as /etc/fs/zfs/mount. Do the mount if the mountpoint is
|
|
* 'legacy'. Otherwise, complain that use should be using 'zfs mount'.
|
|
*/
|
|
#ifdef HAVE_ZPL
|
|
static int
|
|
manual_mount(int argc, char **argv)
|
|
{
|
|
zfs_handle_t *zhp;
|
|
char mountpoint[ZFS_MAXPROPLEN];
|
|
char mntopts[MNT_LINE_MAX] = { '\0' };
|
|
int ret;
|
|
int c;
|
|
int flags = 0;
|
|
char *dataset, *path;
|
|
|
|
/* check options */
|
|
while ((c = getopt(argc, argv, ":mo:O")) != -1) {
|
|
switch (c) {
|
|
case 'o':
|
|
(void) strlcpy(mntopts, optarg, sizeof (mntopts));
|
|
break;
|
|
case 'O':
|
|
flags |= MS_OVERLAY;
|
|
break;
|
|
case 'm':
|
|
flags |= MS_NOMNTTAB;
|
|
break;
|
|
case ':':
|
|
(void) fprintf(stderr, gettext("missing argument for "
|
|
"'%c' option\n"), optopt);
|
|
usage(B_FALSE);
|
|
break;
|
|
case '?':
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
optopt);
|
|
(void) fprintf(stderr, gettext("usage: mount [-o opts] "
|
|
"<path>\n"));
|
|
return (2);
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
/* check that we only have two arguments */
|
|
if (argc != 2) {
|
|
if (argc == 0)
|
|
(void) fprintf(stderr, gettext("missing dataset "
|
|
"argument\n"));
|
|
else if (argc == 1)
|
|
(void) fprintf(stderr,
|
|
gettext("missing mountpoint argument\n"));
|
|
else
|
|
(void) fprintf(stderr, gettext("too many arguments\n"));
|
|
(void) fprintf(stderr, "usage: mount <dataset> <mountpoint>\n");
|
|
return (2);
|
|
}
|
|
|
|
dataset = argv[0];
|
|
path = argv[1];
|
|
|
|
/* try to open the dataset */
|
|
if ((zhp = zfs_open(g_zfs, dataset, ZFS_TYPE_FILESYSTEM)) == NULL)
|
|
return (1);
|
|
|
|
(void) zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint,
|
|
sizeof (mountpoint), NULL, NULL, 0, B_FALSE);
|
|
|
|
/* check for legacy mountpoint and complain appropriately */
|
|
ret = 0;
|
|
if (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) == 0) {
|
|
if (mount(dataset, path, MS_OPTIONSTR | flags, MNTTYPE_ZFS,
|
|
NULL, 0, mntopts, sizeof (mntopts)) != 0) {
|
|
(void) fprintf(stderr, gettext("mount failed: %s\n"),
|
|
strerror(errno));
|
|
ret = 1;
|
|
}
|
|
} else {
|
|
(void) fprintf(stderr, gettext("filesystem '%s' cannot be "
|
|
"mounted using 'mount -F zfs'\n"), dataset);
|
|
(void) fprintf(stderr, gettext("Use 'zfs set mountpoint=%s' "
|
|
"instead.\n"), path);
|
|
(void) fprintf(stderr, gettext("If you must use 'mount -F zfs' "
|
|
"or /etc/vfstab, use 'zfs set mountpoint=legacy'.\n"));
|
|
(void) fprintf(stderr, gettext("See zfs(1M) for more "
|
|
"information.\n"));
|
|
ret = 1;
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* Called when invoked as /etc/fs/zfs/umount. Unlike a manual mount, we allow
|
|
* unmounts of non-legacy filesystems, as this is the dominant administrative
|
|
* interface.
|
|
*/
|
|
static int
|
|
manual_unmount(int argc, char **argv)
|
|
{
|
|
int flags = 0;
|
|
int c;
|
|
|
|
/* check options */
|
|
while ((c = getopt(argc, argv, "f")) != -1) {
|
|
switch (c) {
|
|
case 'f':
|
|
flags = MS_FORCE;
|
|
break;
|
|
case '?':
|
|
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
|
|
optopt);
|
|
(void) fprintf(stderr, gettext("usage: unmount [-f] "
|
|
"<path>\n"));
|
|
return (2);
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
/* check arguments */
|
|
if (argc != 1) {
|
|
if (argc == 0)
|
|
(void) fprintf(stderr, gettext("missing path "
|
|
"argument\n"));
|
|
else
|
|
(void) fprintf(stderr, gettext("too many arguments\n"));
|
|
(void) fprintf(stderr, gettext("usage: unmount [-f] <path>\n"));
|
|
return (2);
|
|
}
|
|
|
|
return (unshare_unmount_path(OP_MOUNT, argv[0], flags, B_TRUE));
|
|
}
|
|
#endif /* HAVE_ZPL */
|
|
|
|
static int
|
|
volcheck(zpool_handle_t *zhp, void *data)
|
|
{
|
|
boolean_t isinit = *((boolean_t *)data);
|
|
|
|
if (isinit)
|
|
return (zpool_create_zvol_links(zhp));
|
|
else
|
|
return (zpool_remove_zvol_links(zhp));
|
|
}
|
|
|
|
/*
|
|
* Iterate over all pools in the system and either create or destroy /dev/zvol
|
|
* links, depending on the value of 'isinit'.
|
|
*/
|
|
static int
|
|
do_volcheck(boolean_t isinit)
|
|
{
|
|
return (zpool_iter(g_zfs, volcheck, &isinit) ? 1 : 0);
|
|
}
|
|
|
|
static int
|
|
find_command_idx(char *command, int *idx)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < NCOMMAND; i++) {
|
|
if (command_table[i].name == NULL)
|
|
continue;
|
|
|
|
if (strcmp(command, command_table[i].name) == 0) {
|
|
*idx = i;
|
|
return (0);
|
|
}
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
int ret;
|
|
int i;
|
|
#ifdef HAVE_ZPL
|
|
char *progname;
|
|
#endif
|
|
char *cmdname;
|
|
|
|
(void) setlocale(LC_ALL, "");
|
|
(void) textdomain(TEXT_DOMAIN);
|
|
|
|
opterr = 0;
|
|
|
|
if ((g_zfs = libzfs_init()) == NULL) {
|
|
(void) fprintf(stderr, gettext("internal error: failed to "
|
|
"initialize ZFS library\n"));
|
|
return (1);
|
|
}
|
|
|
|
zpool_set_history_str("zfs", argc, argv, history_str);
|
|
verify(zpool_stage_history(g_zfs, history_str) == 0);
|
|
|
|
libzfs_print_on_error(g_zfs, B_TRUE);
|
|
|
|
if ((mnttab_file = fopen(MNTTAB, "r")) == NULL) {
|
|
(void) fprintf(stderr, gettext("internal error: unable to "
|
|
"open %s\n"), MNTTAB);
|
|
return (1);
|
|
}
|
|
|
|
#ifdef HAVE_ZPL
|
|
/*
|
|
* This command also doubles as the /etc/fs mount and unmount program.
|
|
* Determine if we should take this behavior based on argv[0].
|
|
*/
|
|
progname = basename(argv[0]);
|
|
if (strcmp(progname, "mount") == 0) {
|
|
ret = manual_mount(argc, argv);
|
|
} else if (strcmp(progname, "umount") == 0) {
|
|
ret = manual_unmount(argc, argv);
|
|
} else {
|
|
#else
|
|
{
|
|
#endif /* HAVE_ZPL */
|
|
/*
|
|
* Make sure the user has specified some command.
|
|
*/
|
|
if (argc < 2) {
|
|
(void) fprintf(stderr, gettext("missing command\n"));
|
|
usage(B_FALSE);
|
|
}
|
|
|
|
cmdname = argv[1];
|
|
|
|
/*
|
|
* The 'umount' command is an alias for 'unmount'
|
|
*/
|
|
if (strcmp(cmdname, "umount") == 0)
|
|
cmdname = "unmount";
|
|
|
|
/*
|
|
* The 'recv' command is an alias for 'receive'
|
|
*/
|
|
if (strcmp(cmdname, "recv") == 0)
|
|
cmdname = "receive";
|
|
|
|
/*
|
|
* Special case '-?'
|
|
*/
|
|
if (strcmp(cmdname, "-?") == 0)
|
|
usage(B_TRUE);
|
|
|
|
/*
|
|
* 'volinit' and 'volfini' do not appear in the usage message,
|
|
* so we have to special case them here.
|
|
*/
|
|
if (strcmp(cmdname, "volinit") == 0)
|
|
return (do_volcheck(B_TRUE));
|
|
else if (strcmp(cmdname, "volfini") == 0)
|
|
return (do_volcheck(B_FALSE));
|
|
|
|
/*
|
|
* Run the appropriate command.
|
|
*/
|
|
libzfs_mnttab_cache(g_zfs, B_TRUE);
|
|
if (find_command_idx(cmdname, &i) == 0) {
|
|
current_command = &command_table[i];
|
|
ret = command_table[i].func(argc - 1, argv + 1);
|
|
} else if (strchr(cmdname, '=') != NULL) {
|
|
verify(find_command_idx("set", &i) == 0);
|
|
current_command = &command_table[i];
|
|
ret = command_table[i].func(argc, argv);
|
|
} else {
|
|
(void) fprintf(stderr, gettext("unrecognized "
|
|
"command '%s'\n"), cmdname);
|
|
usage(B_FALSE);
|
|
ret = 1;
|
|
}
|
|
libzfs_mnttab_cache(g_zfs, B_FALSE);
|
|
}
|
|
|
|
(void) fclose(mnttab_file);
|
|
|
|
libzfs_fini(g_zfs);
|
|
|
|
/*
|
|
* The 'ZFS_ABORT' environment variable causes us to dump core on exit
|
|
* for the purposes of running ::findleaks.
|
|
*/
|
|
if (getenv("ZFS_ABORT") != NULL) {
|
|
(void) printf("dumping core by request\n");
|
|
abort();
|
|
}
|
|
|
|
return (ret);
|
|
}
|