ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock/*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * CDDL HEADER START
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock *
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * The contents of this file are subject to the terms of the
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Common Development and Distribution License (the "License").
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * You may not use this file except in compliance with the License.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock *
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * or http://www.opensolaris.org/os/licensing.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * See the License for the specific language governing permissions
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * and limitations under the License.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock *
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * When distributing Covered Code, include this CDDL HEADER in each
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * If applicable, add the following below this CDDL HEADER, with the
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * fields enclosed by brackets "[]" replaced with your own identifying
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * information: Portions Copyright [yyyy] [name of copyright owner]
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock *
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * CDDL HEADER END
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock/*
f80ce222af313ec87dc070b2219b29c81c5e5d8cChris Kirby * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson * Copyright (c) 2012 by Delphix. All rights reserved.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <libzfs.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <sys/zfs_context.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <errno.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <fcntl.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <stdarg.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <stddef.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <stdio.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <stdlib.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <strings.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <sys/file.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <sys/mntent.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <sys/mnttab.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <sys/param.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <sys/stat.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <sys/dmu.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <sys/dmu_objset.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <sys/dnode.h>
21bf64a78855d076f09716ea1c06175d954e934cgw#include <sys/vdev_impl.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include <sys/mkdev.h>
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock#include "zinject.h"
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockextern void kernel_init(int);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockextern void kernel_fini(void);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockstatic int debug;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockstatic void
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockziprintf(const char *fmt, ...)
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock{
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock va_list ap;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (!debug)
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock va_start(ap, fmt);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) vprintf(fmt, ap);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock va_end(ap);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock}
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
f80ce222af313ec87dc070b2219b29c81c5e5d8cChris Kirbystatic void
f80ce222af313ec87dc070b2219b29c81c5e5d8cChris Kirbycompress_slashes(const char *src, char *dest)
f80ce222af313ec87dc070b2219b29c81c5e5d8cChris Kirby{
f80ce222af313ec87dc070b2219b29c81c5e5d8cChris Kirby while (*src != '\0') {
f80ce222af313ec87dc070b2219b29c81c5e5d8cChris Kirby *dest = *src++;
f80ce222af313ec87dc070b2219b29c81c5e5d8cChris Kirby while (*dest == '/' && *src == '/')
f80ce222af313ec87dc070b2219b29c81c5e5d8cChris Kirby ++src;
f80ce222af313ec87dc070b2219b29c81c5e5d8cChris Kirby ++dest;
f80ce222af313ec87dc070b2219b29c81c5e5d8cChris Kirby }
f80ce222af313ec87dc070b2219b29c81c5e5d8cChris Kirby *dest = '\0';
f80ce222af313ec87dc070b2219b29c81c5e5d8cChris Kirby}
f80ce222af313ec87dc070b2219b29c81c5e5d8cChris Kirby
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock/*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Given a full path to a file, translate into a dataset name and a relative
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * path within the dataset. 'dataset' must be at least MAXNAMELEN characters,
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * and 'relpath' must be at least MAXPATHLEN characters. We also pass a stat64
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * buffer, which we need later to get the object ID.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockstatic int
f80ce222af313ec87dc070b2219b29c81c5e5d8cChris Kirbyparse_pathname(const char *inpath, char *dataset, char *relpath,
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock struct stat64 *statbuf)
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock{
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock struct extmnttab mp;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock FILE *fp;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock int match;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock const char *rel;
f80ce222af313ec87dc070b2219b29c81c5e5d8cChris Kirby char fullpath[MAXPATHLEN];
f80ce222af313ec87dc070b2219b29c81c5e5d8cChris Kirby
f80ce222af313ec87dc070b2219b29c81c5e5d8cChris Kirby compress_slashes(inpath, fullpath);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (fullpath[0] != '/') {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) fprintf(stderr, "invalid object '%s': must be full "
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock "path\n", fullpath);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock usage();
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (-1);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (strlen(fullpath) >= MAXPATHLEN) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) fprintf(stderr, "invalid object; pathname too long\n");
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (-1);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (stat64(fullpath, statbuf) != 0) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) fprintf(stderr, "cannot open '%s': %s\n",
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock fullpath, strerror(errno));
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (-1);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if ((fp = fopen(MNTTAB, "r")) == NULL) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) fprintf(stderr, "cannot open /etc/mnttab\n");
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (-1);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock match = 0;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock while (getextmntent(fp, &mp, sizeof (mp)) == 0) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (makedev(mp.mnt_major, mp.mnt_minor) == statbuf->st_dev) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock match = 1;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock break;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (!match) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) fprintf(stderr, "cannot find mountpoint for '%s'\n",
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock fullpath);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (-1);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (strcmp(mp.mnt_fstype, MNTTYPE_ZFS) != 0) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) fprintf(stderr, "invalid path '%s': not a ZFS "
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock "filesystem\n", fullpath);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (-1);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (strncmp(fullpath, mp.mnt_mountp, strlen(mp.mnt_mountp)) != 0) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) fprintf(stderr, "invalid path '%s': mountpoint "
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock "doesn't match path\n", fullpath);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (-1);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) strcpy(dataset, mp.mnt_special);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock rel = fullpath + strlen(mp.mnt_mountp);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (rel[0] == '/')
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock rel++;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) strcpy(relpath, rel);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (0);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock}
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock/*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Convert from a (dataset, path) pair into a (objset, object) pair. Note that
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * we grab the object number from the inode number, since looking this up via
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * libzpool is a real pain.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock/* ARGSUSED */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockstatic int
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockobject_from_path(const char *dataset, const char *path, struct stat64 *statbuf,
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock zinject_record_t *record)
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock{
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock objset_t *os;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock int err;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Before doing any libzpool operations, call sync() to ensure that the
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * on-disk state is consistent with the in-core state.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock sync();
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens err = dmu_objset_own(dataset, DMU_OST_ZFS, B_TRUE, FTAG, &os);
503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens if (err != 0) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) fprintf(stderr, "cannot open dataset '%s': %s\n",
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock dataset, strerror(err));
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (-1);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_objset = dmu_objset_id(os);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_object = statbuf->st_ino;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens dmu_objset_disown(os, FTAG);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (0);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock}
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock/*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Calculate the real range based on the type, level, and range given.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockstatic int
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockcalculate_range(const char *dataset, err_type_t type, int level, char *range,
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock zinject_record_t *record)
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock{
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock objset_t *os = NULL;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock dnode_t *dn = NULL;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock int err;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock int ret = -1;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Determine the numeric range from the string.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (range == NULL) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * If range is unspecified, set the range to [0,-1], which
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * indicates that the whole object should be treated as an
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * error.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_start = 0;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_end = -1ULL;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock } else {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock char *end;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /* XXX add support for suffixes */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_start = strtoull(range, &end, 10);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (*end == '\0')
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_end = record->zi_start + 1;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock else if (*end == ',')
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_end = strtoull(end + 1, &end, 10);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (*end != '\0') {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) fprintf(stderr, "invalid range '%s': must be "
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock "a numeric range of the form 'start[,end]'\n",
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock range);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock goto out;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock switch (type) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock case TYPE_DATA:
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock break;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock case TYPE_DNODE:
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * If this is a request to inject faults into the dnode, then we
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * must translate the current (objset,object) pair into an
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * offset within the metadnode for the objset. Specifying any
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * kind of range with type 'dnode' is illegal.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (range != NULL) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) fprintf(stderr, "range cannot be specified when "
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock "type is 'dnode'\n");
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock goto out;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_start = record->zi_object * sizeof (dnode_phys_t);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_end = record->zi_start + sizeof (dnode_phys_t);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_object = 0;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock break;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Get the dnode associated with object, so we can calculate the block
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * size.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens if ((err = dmu_objset_own(dataset, DMU_OST_ANY,
503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens B_TRUE, FTAG, &os)) != 0) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) fprintf(stderr, "cannot open dataset '%s': %s\n",
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock dataset, strerror(err));
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock goto out;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (record->zi_object == 0) {
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson dn = DMU_META_DNODE(os);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock } else {
503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens err = dnode_hold(os, record->zi_object, FTAG, &dn);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (err != 0) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) fprintf(stderr, "failed to hold dnode "
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock "for object %llu\n",
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (u_longlong_t)record->zi_object);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock goto out;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock ziprintf("data shift: %d\n", (int)dn->dn_datablkshift);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock ziprintf(" ind shift: %d\n", (int)dn->dn_indblkshift);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Translate range into block IDs.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (record->zi_start != 0 || record->zi_end != -1ULL) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_start >>= dn->dn_datablkshift;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_end >>= dn->dn_datablkshift;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Check level, and then translate level 0 blkids into ranges
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * appropriate for level of indirection.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_level = level;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (level > 0) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock ziprintf("level 0 blkid range: [%llu, %llu]\n",
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_start, record->zi_end);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (level >= dn->dn_nlevels) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) fprintf(stderr, "level %d exceeds max level "
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock "of object (%d)\n", level, dn->dn_nlevels - 1);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock goto out;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (record->zi_start != 0 || record->zi_end != 0) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock int shift = dn->dn_indblkshift - SPA_BLKPTRSHIFT;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock for (; level > 0; level--) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_start >>= shift;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_end >>= shift;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock ret = 0;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockout:
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (dn) {
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson if (dn != DMU_META_DNODE(os))
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock dnode_rele(dn, FTAG);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (os)
503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens dmu_objset_disown(os, FTAG);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (ret);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock}
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockint
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrocktranslate_record(err_type_t type, const char *object, const char *range,
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock int level, zinject_record_t *record, char *poolname, char *dataset)
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock{
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock char path[MAXPATHLEN];
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock char *slash;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock struct stat64 statbuf;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock int ret = -1;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock kernel_init(FREAD);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock debug = (getenv("ZINJECT_DEBUG") != NULL);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock ziprintf("translating: %s\n", object);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (MOS_TYPE(type)) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * MOS objects are treated specially.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock switch (type) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock case TYPE_MOS:
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_type = 0;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock break;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock case TYPE_MOSDIR:
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_type = DMU_OT_OBJECT_DIRECTORY;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock break;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock case TYPE_METASLAB:
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_type = DMU_OT_OBJECT_ARRAY;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock break;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock case TYPE_CONFIG:
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_type = DMU_OT_PACKED_NVLIST;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock break;
cde58dbc6a23d4d38db7c8866312be83221c765fMatthew Ahrens case TYPE_BPOBJ:
cde58dbc6a23d4d38db7c8866312be83221c765fMatthew Ahrens record->zi_type = DMU_OT_BPOBJ;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock break;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock case TYPE_SPACEMAP:
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_type = DMU_OT_SPACE_MAP;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock break;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock case TYPE_ERRLOG:
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_type = DMU_OT_ERROR_LOG;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock break;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock dataset[0] = '\0';
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) strcpy(poolname, object);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (0);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Convert a full path into a (dataset, file) pair.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (parse_pathname(object, dataset, path, &statbuf) != 0)
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock goto err;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock ziprintf(" dataset: %s\n", dataset);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock ziprintf(" path: %s\n", path);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Convert (dataset, file) into (objset, object)
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (object_from_path(dataset, path, &statbuf, record) != 0)
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock goto err;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock ziprintf("raw objset: %llu\n", record->zi_objset);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock ziprintf("raw object: %llu\n", record->zi_object);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * For the given object, calculate the real (type, level, range)
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (calculate_range(dataset, type, level, (char *)range, record) != 0)
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock goto err;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock ziprintf(" objset: %llu\n", record->zi_objset);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock ziprintf(" object: %llu\n", record->zi_object);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (record->zi_start == 0 &&
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_end == -1ULL)
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock ziprintf(" range: all\n");
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock else
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock ziprintf(" range: [%llu, %llu]\n", record->zi_start,
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_end);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Copy the pool name
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) strcpy(poolname, dataset);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if ((slash = strchr(poolname, '/')) != NULL)
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock *slash = '\0';
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock ret = 0;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockerr:
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock kernel_fini();
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (ret);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock}
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockint
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrocktranslate_raw(const char *str, zinject_record_t *record)
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock{
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * A raw bookmark of the form objset:object:level:blkid, where each
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * number is a hexidecimal value.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (sscanf(str, "%llx:%llx:%x:%llx", (u_longlong_t *)&record->zi_objset,
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (u_longlong_t *)&record->zi_object, &record->zi_level,
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (u_longlong_t *)&record->zi_start) != 4) {
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (void) fprintf(stderr, "bad raw spec '%s': must be of the form "
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock "'objset:object:level:blkid'\n", str);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (-1);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_end = record->zi_start;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (0);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock}
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockint
21bf64a78855d076f09716ea1c06175d954e934cgwtranslate_device(const char *pool, const char *device, err_type_t label_type,
21bf64a78855d076f09716ea1c06175d954e934cgw zinject_record_t *record)
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock{
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock char *end;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock zpool_handle_t *zhp;
99653d4ee642c6528e88224f12409a5f23060994eschrock nvlist_t *tgt;
fa94a07fd0519b8abfd871ad8fe60e6bebe1e2bbbrendan boolean_t isspare, iscache;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Given a device name or GUID, create an appropriate injection record
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * with zi_guid set.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
99653d4ee642c6528e88224f12409a5f23060994eschrock if ((zhp = zpool_open(g_zfs, pool)) == NULL)
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (-1);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock record->zi_guid = strtoull(device, &end, 16);
99653d4ee642c6528e88224f12409a5f23060994eschrock if (record->zi_guid == 0 || *end != '\0') {
ee0eb9f2d12b8a03b5a193cd667735c1962e0c7bEric Schrock tgt = zpool_find_vdev(zhp, device, &isspare, &iscache, NULL);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
99653d4ee642c6528e88224f12409a5f23060994eschrock if (tgt == NULL) {
99653d4ee642c6528e88224f12409a5f23060994eschrock (void) fprintf(stderr, "cannot find device '%s' in "
99653d4ee642c6528e88224f12409a5f23060994eschrock "pool '%s'\n", device, pool);
99653d4ee642c6528e88224f12409a5f23060994eschrock return (-1);
99653d4ee642c6528e88224f12409a5f23060994eschrock }
99653d4ee642c6528e88224f12409a5f23060994eschrock
99653d4ee642c6528e88224f12409a5f23060994eschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID,
99653d4ee642c6528e88224f12409a5f23060994eschrock &record->zi_guid) == 0);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson /*
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson * Device faults can take on three different forms:
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson * 1). delayed or hanging I/O
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson * 2). zfs label faults
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson * 3). generic disk faults
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson */
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson if (record->zi_timer != 0) {
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson record->zi_cmd = ZINJECT_DELAY_IO;
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson } else if (label_type != TYPE_INVAL) {
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson record->zi_cmd = ZINJECT_LABEL_FAULT;
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson } else {
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson record->zi_cmd = ZINJECT_DEVICE_FAULT;
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson }
283b84606b6fc326692c03273de1774e8c122f9aGeorge.Wilson
21bf64a78855d076f09716ea1c06175d954e934cgw switch (label_type) {
21bf64a78855d076f09716ea1c06175d954e934cgw case TYPE_LABEL_UBERBLOCK:
21bf64a78855d076f09716ea1c06175d954e934cgw record->zi_start = offsetof(vdev_label_t, vl_uberblock[0]);
21bf64a78855d076f09716ea1c06175d954e934cgw record->zi_end = record->zi_start + VDEV_UBERBLOCK_RING - 1;
21bf64a78855d076f09716ea1c06175d954e934cgw break;
21bf64a78855d076f09716ea1c06175d954e934cgw case TYPE_LABEL_NVLIST:
21bf64a78855d076f09716ea1c06175d954e934cgw record->zi_start = offsetof(vdev_label_t, vl_vdev_phys);
21bf64a78855d076f09716ea1c06175d954e934cgw record->zi_end = record->zi_start + VDEV_PHYS_SIZE - 1;
21bf64a78855d076f09716ea1c06175d954e934cgw break;
98d1cbfec254295273b6a761bc1861c0374bdf02George Wilson case TYPE_LABEL_PAD1:
98d1cbfec254295273b6a761bc1861c0374bdf02George Wilson record->zi_start = offsetof(vdev_label_t, vl_pad1);
98d1cbfec254295273b6a761bc1861c0374bdf02George Wilson record->zi_end = record->zi_start + VDEV_PAD_SIZE - 1;
98d1cbfec254295273b6a761bc1861c0374bdf02George Wilson break;
98d1cbfec254295273b6a761bc1861c0374bdf02George Wilson case TYPE_LABEL_PAD2:
98d1cbfec254295273b6a761bc1861c0374bdf02George Wilson record->zi_start = offsetof(vdev_label_t, vl_pad2);
98d1cbfec254295273b6a761bc1861c0374bdf02George Wilson record->zi_end = record->zi_start + VDEV_PAD_SIZE - 1;
98d1cbfec254295273b6a761bc1861c0374bdf02George Wilson break;
21bf64a78855d076f09716ea1c06175d954e934cgw }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (0);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock}