4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2013, Joyent, Inc. All rights reserved.
25 * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
29 * Internal utility routines for the ZFS library.
43 #include <sys/mnttab.h>
44 #include <sys/mntent.h>
45 #include <sys/types.h>
49 #include <libzfs_core.h>
51 #include "libzfs_impl.h"
53 #include "zfeature_common.h"
56 libzfs_errno(libzfs_handle_t *hdl)
58 return (hdl->libzfs_error);
62 libzfs_error_init(int error)
66 return (dgettext(TEXT_DOMAIN, "The ZFS modules are not "
67 "loaded.\nTry running '/sbin/modprobe zfs' as root "
70 return (dgettext(TEXT_DOMAIN, "The /dev/zfs device is "
71 "missing and must be created.\nTry running 'udevadm "
72 "trigger' as root to create it.\n"));
74 return (dgettext(TEXT_DOMAIN, "The ZFS modules cannot be "
75 "auto-loaded.\nTry running '/sbin/modprobe zfs' as "
76 "root to manually load them.\n"));
78 return (dgettext(TEXT_DOMAIN, "Permission denied the "
79 "ZFS utilities must be run as root.\n"));
81 return (dgettext(TEXT_DOMAIN, "Failed to initialize the "
82 "libzfs library.\n"));
87 libzfs_error_action(libzfs_handle_t *hdl)
89 return (hdl->libzfs_action);
93 libzfs_error_description(libzfs_handle_t *hdl)
95 if (hdl->libzfs_desc[0] != '\0')
96 return (hdl->libzfs_desc);
98 switch (hdl->libzfs_error) {
100 return (dgettext(TEXT_DOMAIN, "out of memory"));
102 return (dgettext(TEXT_DOMAIN, "invalid property value"));
103 case EZFS_PROPREADONLY:
104 return (dgettext(TEXT_DOMAIN, "read-only property"));
106 return (dgettext(TEXT_DOMAIN, "property doesn't apply to "
107 "datasets of this type"));
108 case EZFS_PROPNONINHERIT:
109 return (dgettext(TEXT_DOMAIN, "property cannot be inherited"));
111 return (dgettext(TEXT_DOMAIN, "invalid quota or reservation"));
113 return (dgettext(TEXT_DOMAIN, "operation not applicable to "
114 "datasets of this type"));
116 return (dgettext(TEXT_DOMAIN, "pool or dataset is busy"));
118 return (dgettext(TEXT_DOMAIN, "pool or dataset exists"));
120 return (dgettext(TEXT_DOMAIN, "no such pool or dataset"));
122 return (dgettext(TEXT_DOMAIN, "invalid backup stream"));
123 case EZFS_DSREADONLY:
124 return (dgettext(TEXT_DOMAIN, "dataset is read-only"));
126 return (dgettext(TEXT_DOMAIN, "volume size exceeds limit for "
128 case EZFS_INVALIDNAME:
129 return (dgettext(TEXT_DOMAIN, "invalid name"));
130 case EZFS_BADRESTORE:
131 return (dgettext(TEXT_DOMAIN, "unable to restore to "
134 return (dgettext(TEXT_DOMAIN, "backup failed"));
136 return (dgettext(TEXT_DOMAIN, "invalid target vdev"));
138 return (dgettext(TEXT_DOMAIN, "no such device in pool"));
140 return (dgettext(TEXT_DOMAIN, "invalid device"));
141 case EZFS_NOREPLICAS:
142 return (dgettext(TEXT_DOMAIN, "no valid replicas"));
143 case EZFS_RESILVERING:
144 return (dgettext(TEXT_DOMAIN, "currently resilvering"));
145 case EZFS_BADVERSION:
146 return (dgettext(TEXT_DOMAIN, "unsupported version or "
148 case EZFS_POOLUNAVAIL:
149 return (dgettext(TEXT_DOMAIN, "pool is unavailable"));
150 case EZFS_DEVOVERFLOW:
151 return (dgettext(TEXT_DOMAIN, "too many devices in one vdev"));
153 return (dgettext(TEXT_DOMAIN, "must be an absolute path"));
154 case EZFS_CROSSTARGET:
155 return (dgettext(TEXT_DOMAIN, "operation crosses datasets or "
158 return (dgettext(TEXT_DOMAIN, "dataset in use by local zone"));
159 case EZFS_MOUNTFAILED:
160 return (dgettext(TEXT_DOMAIN, "mount failed"));
161 case EZFS_UMOUNTFAILED:
162 return (dgettext(TEXT_DOMAIN, "umount failed"));
163 case EZFS_UNSHARENFSFAILED:
164 return (dgettext(TEXT_DOMAIN, "unshare(1M) failed"));
165 case EZFS_SHARENFSFAILED:
166 return (dgettext(TEXT_DOMAIN, "share(1M) failed"));
167 case EZFS_UNSHARESMBFAILED:
168 return (dgettext(TEXT_DOMAIN, "smb remove share failed"));
169 case EZFS_SHARESMBFAILED:
170 return (dgettext(TEXT_DOMAIN, "smb add share failed"));
172 return (dgettext(TEXT_DOMAIN, "permission denied"));
174 return (dgettext(TEXT_DOMAIN, "out of space"));
176 return (dgettext(TEXT_DOMAIN, "bad address"));
178 return (dgettext(TEXT_DOMAIN, "I/O error"));
180 return (dgettext(TEXT_DOMAIN, "signal received"));
182 return (dgettext(TEXT_DOMAIN, "device is reserved as a hot "
184 case EZFS_INVALCONFIG:
185 return (dgettext(TEXT_DOMAIN, "invalid vdev configuration"));
187 return (dgettext(TEXT_DOMAIN, "recursive dataset dependency"));
189 return (dgettext(TEXT_DOMAIN, "no history available"));
191 return (dgettext(TEXT_DOMAIN, "failed to retrieve "
193 case EZFS_POOL_NOTSUP:
194 return (dgettext(TEXT_DOMAIN, "operation not supported "
195 "on this type of pool"));
196 case EZFS_POOL_INVALARG:
197 return (dgettext(TEXT_DOMAIN, "invalid argument for "
198 "this pool operation"));
199 case EZFS_NAMETOOLONG:
200 return (dgettext(TEXT_DOMAIN, "dataset name is too long"));
201 case EZFS_OPENFAILED:
202 return (dgettext(TEXT_DOMAIN, "open failed"));
204 return (dgettext(TEXT_DOMAIN,
205 "disk capacity information could not be retrieved"));
206 case EZFS_LABELFAILED:
207 return (dgettext(TEXT_DOMAIN, "write of label failed"));
209 return (dgettext(TEXT_DOMAIN, "invalid user/group"));
211 return (dgettext(TEXT_DOMAIN, "invalid permission"));
212 case EZFS_BADPERMSET:
213 return (dgettext(TEXT_DOMAIN, "invalid permission set name"));
214 case EZFS_NODELEGATION:
215 return (dgettext(TEXT_DOMAIN, "delegated administration is "
216 "disabled on pool"));
218 return (dgettext(TEXT_DOMAIN, "invalid or missing cache file"));
220 return (dgettext(TEXT_DOMAIN, "device is in use as a cache"));
221 case EZFS_VDEVNOTSUP:
222 return (dgettext(TEXT_DOMAIN, "vdev specification is not "
225 return (dgettext(TEXT_DOMAIN, "operation not supported "
227 case EZFS_ACTIVE_SPARE:
228 return (dgettext(TEXT_DOMAIN, "pool has active shared spare "
230 case EZFS_UNPLAYED_LOGS:
231 return (dgettext(TEXT_DOMAIN, "log device has unplayed intent "
233 case EZFS_REFTAG_RELE:
234 return (dgettext(TEXT_DOMAIN, "no such tag on this dataset"));
235 case EZFS_REFTAG_HOLD:
236 return (dgettext(TEXT_DOMAIN, "tag already exists on this "
238 case EZFS_TAGTOOLONG:
239 return (dgettext(TEXT_DOMAIN, "tag too long"));
240 case EZFS_PIPEFAILED:
241 return (dgettext(TEXT_DOMAIN, "pipe create failed"));
242 case EZFS_THREADCREATEFAILED:
243 return (dgettext(TEXT_DOMAIN, "thread create failed"));
244 case EZFS_POSTSPLIT_ONLINE:
245 return (dgettext(TEXT_DOMAIN, "disk was split from this pool "
248 return (dgettext(TEXT_DOMAIN, "currently scrubbing; "
249 "use 'zpool scrub -s' to cancel current scrub"));
251 return (dgettext(TEXT_DOMAIN, "there is no active scrub"));
253 return (dgettext(TEXT_DOMAIN, "unable to generate diffs"));
255 return (dgettext(TEXT_DOMAIN, "invalid diff data"));
256 case EZFS_POOLREADONLY:
257 return (dgettext(TEXT_DOMAIN, "pool is read-only"));
259 return (dgettext(TEXT_DOMAIN, "unknown error"));
261 assert(hdl->libzfs_error == 0);
262 return (dgettext(TEXT_DOMAIN, "no error"));
268 zfs_error_aux(libzfs_handle_t *hdl, const char *fmt, ...)
274 (void) vsnprintf(hdl->libzfs_desc, sizeof (hdl->libzfs_desc),
276 hdl->libzfs_desc_active = 1;
282 zfs_verror(libzfs_handle_t *hdl, int error, const char *fmt, va_list ap)
284 (void) vsnprintf(hdl->libzfs_action, sizeof (hdl->libzfs_action),
286 hdl->libzfs_error = error;
288 if (hdl->libzfs_desc_active)
289 hdl->libzfs_desc_active = 0;
291 hdl->libzfs_desc[0] = '\0';
293 if (hdl->libzfs_printerr) {
294 if (error == EZFS_UNKNOWN) {
295 (void) fprintf(stderr, dgettext(TEXT_DOMAIN, "internal "
296 "error: %s\n"), libzfs_error_description(hdl));
300 (void) fprintf(stderr, "%s: %s\n", hdl->libzfs_action,
301 libzfs_error_description(hdl));
302 if (error == EZFS_NOMEM)
308 zfs_error(libzfs_handle_t *hdl, int error, const char *msg)
310 return (zfs_error_fmt(hdl, error, "%s", msg));
315 zfs_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...)
321 zfs_verror(hdl, error, fmt, ap);
329 zfs_common_error(libzfs_handle_t *hdl, int error, const char *fmt,
335 zfs_verror(hdl, EZFS_PERM, fmt, ap);
339 zfs_verror(hdl, EZFS_NODELEGATION, fmt, ap);
343 zfs_verror(hdl, EZFS_IO, fmt, ap);
347 zfs_verror(hdl, EZFS_FAULT, fmt, ap);
351 zfs_verror(hdl, EZFS_INTR, fmt, ap);
359 zfs_standard_error(libzfs_handle_t *hdl, int error, const char *msg)
361 return (zfs_standard_error_fmt(hdl, error, "%s", msg));
366 zfs_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...)
372 if (zfs_common_error(hdl, error, fmt, ap) != 0) {
381 zfs_verror(hdl, EZFS_IO, fmt, ap);
385 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
386 "dataset does not exist"));
387 zfs_verror(hdl, EZFS_NOENT, fmt, ap);
392 zfs_verror(hdl, EZFS_NOSPC, fmt, ap);
396 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
397 "dataset already exists"));
398 zfs_verror(hdl, EZFS_EXISTS, fmt, ap);
402 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
404 zfs_verror(hdl, EZFS_BUSY, fmt, ap);
407 zfs_verror(hdl, EZFS_POOLREADONLY, fmt, ap);
410 zfs_verror(hdl, EZFS_NAMETOOLONG, fmt, ap);
413 zfs_verror(hdl, EZFS_BADVERSION, fmt, ap);
416 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
417 "pool I/O is currently suspended"));
418 zfs_verror(hdl, EZFS_POOLUNAVAIL, fmt, ap);
421 zfs_error_aux(hdl, strerror(error));
422 zfs_verror(hdl, EZFS_UNKNOWN, fmt, ap);
431 zpool_standard_error(libzfs_handle_t *hdl, int error, const char *msg)
433 return (zpool_standard_error_fmt(hdl, error, "%s", msg));
438 zpool_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...)
444 if (zfs_common_error(hdl, error, fmt, ap) != 0) {
451 zfs_verror(hdl, EZFS_NODEVICE, fmt, ap);
456 dgettext(TEXT_DOMAIN, "no such pool or dataset"));
457 zfs_verror(hdl, EZFS_NOENT, fmt, ap);
461 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
462 "pool already exists"));
463 zfs_verror(hdl, EZFS_EXISTS, fmt, ap);
467 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool is busy"));
468 zfs_verror(hdl, EZFS_BUSY, fmt, ap);
472 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
473 "one or more devices is currently unavailable"));
474 zfs_verror(hdl, EZFS_BADDEV, fmt, ap);
478 zfs_verror(hdl, EZFS_DEVOVERFLOW, fmt, ap);
482 zfs_verror(hdl, EZFS_POOL_NOTSUP, fmt, ap);
486 zfs_verror(hdl, EZFS_POOL_INVALARG, fmt, ap);
491 zfs_verror(hdl, EZFS_NOSPC, fmt, ap);
495 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
496 "pool I/O is currently suspended"));
497 zfs_verror(hdl, EZFS_POOLUNAVAIL, fmt, ap);
501 zfs_verror(hdl, EZFS_POOLREADONLY, fmt, ap);
504 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
505 "block size out of range or does not match"));
506 zfs_verror(hdl, EZFS_BADPROP, fmt, ap);
510 zfs_error_aux(hdl, strerror(error));
511 zfs_verror(hdl, EZFS_UNKNOWN, fmt, ap);
519 * Display an out of memory error message and abort the current program.
522 no_memory(libzfs_handle_t *hdl)
524 return (zfs_error(hdl, EZFS_NOMEM, "internal error"));
528 * A safe form of malloc() which will die if the allocation fails.
531 zfs_alloc(libzfs_handle_t *hdl, size_t size)
535 if ((data = calloc(1, size)) == NULL)
536 (void) no_memory(hdl);
542 * A safe form of asprintf() which will die if the allocation fails.
546 zfs_asprintf(libzfs_handle_t *hdl, const char *fmt, ...)
554 err = vasprintf(&ret, fmt, ap);
559 (void) no_memory(hdl);
565 * A safe form of realloc(), which also zeroes newly allocated space.
568 zfs_realloc(libzfs_handle_t *hdl, void *ptr, size_t oldsize, size_t newsize)
572 if ((ret = realloc(ptr, newsize)) == NULL) {
573 (void) no_memory(hdl);
577 bzero((char *)ret + oldsize, (newsize - oldsize));
582 * A safe form of strdup() which will die if the allocation fails.
585 zfs_strdup(libzfs_handle_t *hdl, const char *str)
589 if ((ret = strdup(str)) == NULL)
590 (void) no_memory(hdl);
596 * Convert a number to an appropriately human-readable output.
599 zfs_nicenum_format(uint64_t num, char *buf, size_t buflen,
600 enum zfs_nicenum_format format)
605 const char *units[3][7] = {
606 [ZFS_NICENUM_1024] = {"", "K", "M", "G", "T", "P", "E"},
607 [ZFS_NICENUM_TIME] = {"ns", "us", "ms", "s", "?", "?", "?"}
610 const int units_len[] = {[ZFS_NICENUM_1024] = 6,
611 [ZFS_NICENUM_TIME] = 4};
613 const int k_unit[] = { [ZFS_NICENUM_1024] = 1024,
614 [ZFS_NICENUM_TIME] = 1000};
618 if (format == ZFS_NICENUM_RAW) {
619 snprintf(buf, buflen, "%llu", (u_longlong_t) num);
624 while (n >= k_unit[format] && index < units_len[format]) {
629 u = units[format][index];
631 /* Don't print 0ns times */
632 if ((format == ZFS_NICENUM_TIME) && (num == 0)) {
633 (void) snprintf(buf, buflen, "-");
634 } else if ((index == 0) || ((num %
635 (uint64_t) powl(k_unit[format], index)) == 0)) {
637 * If this is an even multiple of the base, always display
638 * without any decimal precision.
640 (void) snprintf(buf, buflen, "%llu%s", (u_longlong_t) n, u);
644 * We want to choose a precision that reflects the best choice
645 * for fitting in 5 characters. This can get rather tricky when
646 * we have numbers that are very close to an order of magnitude.
647 * For example, when displaying 10239 (which is really 9.999K),
648 * we want only a single place of precision for 10.0K. We could
649 * develop some complex heuristics for this, but it's much
650 * easier just to try each combination in turn.
653 for (i = 2; i >= 0; i--) {
655 (uint64_t) powl(k_unit[format], index);
658 * Don't print floating point values for time. Note,
659 * we use floor() instead of round() here, since
660 * round can result in undesirable results. For
661 * example, if "num" is in the range of
662 * 999500-999999, it will print out "1000us". This
663 * doesn't happen if we use floor().
665 if (format == ZFS_NICENUM_TIME) {
666 if (snprintf(buf, buflen, "%d%s",
667 (unsigned int) floor(val), u) <= 5)
671 if (snprintf(buf, buflen, "%.*f%s", i,
680 * Convert a number to an appropriately human-readable output.
683 zfs_nicenum(uint64_t num, char *buf, size_t buflen)
685 zfs_nicenum_format(num, buf, buflen, ZFS_NICENUM_1024);
689 * Convert a time to an appropriately human-readable output.
690 * @num: Time in nanoseconds
693 zfs_nicetime(uint64_t num, char *buf, size_t buflen)
695 zfs_nicenum_format(num, buf, buflen, ZFS_NICENUM_TIME);
699 * Print out a raw number with correct column spacing
702 zfs_niceraw(uint64_t num, char *buf, size_t buflen)
704 zfs_nicenum_format(num, buf, buflen, ZFS_NICENUM_RAW);
710 libzfs_print_on_error(libzfs_handle_t *hdl, boolean_t printerr)
712 hdl->libzfs_printerr = printerr;
716 libzfs_module_loaded(const char *module)
718 const char path_prefix[] = "/sys/module/";
721 memcpy(path, path_prefix, sizeof (path_prefix) - 1);
722 strcpy(path + sizeof (path_prefix) - 1, module);
724 return (access(path, F_OK) == 0);
728 libzfs_run_process(const char *path, char *argv[], int flags)
731 int error, devnull_fd;
735 devnull_fd = open("/dev/null", O_WRONLY);
740 if (!(flags & STDOUT_VERBOSE))
741 (void) dup2(devnull_fd, STDOUT_FILENO);
743 if (!(flags & STDERR_VERBOSE))
744 (void) dup2(devnull_fd, STDERR_FILENO);
748 (void) execvp(path, argv);
750 } else if (pid > 0) {
753 while ((error = waitpid(pid, &status, 0)) == -1 &&
755 if (error < 0 || !WIFEXITED(status))
758 return (WEXITSTATUS(status));
765 * Verify the required ZFS_DEV device is available and optionally attempt
766 * to load the ZFS modules. Under normal circumstances the modules
767 * should already have been loaded by some external mechanism.
769 * Environment variables:
770 * - ZFS_MODULE_LOADING="YES|yes|ON|on" - Attempt to load modules.
771 * - ZFS_MODULE_TIMEOUT="<seconds>" - Seconds to wait for ZFS_DEV
774 libzfs_load_module(const char *module)
776 char *argv[4] = {"/sbin/modprobe", "-q", (char *)module, (char *)0};
777 char *load_str, *timeout_str;
778 long timeout = 10; /* seconds */
779 long busy_timeout = 10; /* milliseconds */
783 /* Optionally request module loading */
784 if (!libzfs_module_loaded(module)) {
785 load_str = getenv("ZFS_MODULE_LOADING");
787 if (!strncasecmp(load_str, "YES", strlen("YES")) ||
788 !strncasecmp(load_str, "ON", strlen("ON")))
794 if (load && libzfs_run_process("/sbin/modprobe", argv, 0))
798 /* Module loading is synchronous it must be available */
799 if (!libzfs_module_loaded(module))
803 * Device creation by udev is asynchronous and waiting may be
804 * required. Busy wait for 10ms and then fall back to polling every
805 * 10ms for the allowed timeout (default 10s, max 10m). This is
806 * done to optimize for the common case where the device is
807 * immediately available and to avoid penalizing the possible
808 * case where udev is slow or unable to create the device.
810 timeout_str = getenv("ZFS_MODULE_TIMEOUT");
812 timeout = strtol(timeout_str, NULL, 0);
813 timeout = MAX(MIN(timeout, (10 * 60)), 0); /* 0 <= N <= 600 */
818 fd = open(ZFS_DEV, O_RDWR);
822 } else if (errno != ENOENT) {
824 } else if (NSEC2MSEC(gethrtime() - start) < busy_timeout) {
827 usleep(10 * MILLISEC);
829 } while (NSEC2MSEC(gethrtime() - start) < (timeout * MILLISEC));
837 libzfs_handle_t *hdl;
840 error = libzfs_load_module(ZFS_DRIVER);
846 if ((hdl = calloc(1, sizeof (libzfs_handle_t))) == NULL) {
850 if ((hdl->libzfs_fd = open(ZFS_DEV, O_RDWR)) < 0) {
855 #ifdef HAVE_SETMNTENT
856 if ((hdl->libzfs_mnttab = setmntent(MNTTAB, "r")) == NULL) {
858 if ((hdl->libzfs_mnttab = fopen(MNTTAB, "r")) == NULL) {
860 (void) close(hdl->libzfs_fd);
865 hdl->libzfs_sharetab = fopen("/etc/dfs/sharetab", "r");
867 if (libzfs_core_init() != 0) {
868 (void) close(hdl->libzfs_fd);
869 (void) fclose(hdl->libzfs_mnttab);
870 (void) fclose(hdl->libzfs_sharetab);
877 zpool_feature_init();
878 libzfs_mnttab_init(hdl);
884 libzfs_fini(libzfs_handle_t *hdl)
886 (void) close(hdl->libzfs_fd);
887 if (hdl->libzfs_mnttab)
888 #ifdef HAVE_SETMNTENT
889 (void) endmntent(hdl->libzfs_mnttab);
891 (void) fclose(hdl->libzfs_mnttab);
893 if (hdl->libzfs_sharetab)
894 (void) fclose(hdl->libzfs_sharetab);
895 zfs_uninit_libshare(hdl);
896 zpool_free_handles(hdl);
897 libzfs_fru_clear(hdl, B_TRUE);
898 namespace_clear(hdl);
899 libzfs_mnttab_fini(hdl);
905 zpool_get_handle(zpool_handle_t *zhp)
907 return (zhp->zpool_hdl);
911 zfs_get_handle(zfs_handle_t *zhp)
913 return (zhp->zfs_hdl);
917 zfs_get_pool_handle(const zfs_handle_t *zhp)
919 return (zhp->zpool_hdl);
923 * Given a name, determine whether or not it's a valid path
924 * (starts with '/' or "./"). If so, walk the mnttab trying
925 * to match the device number. If not, treat the path as an
929 zfs_path_to_zhandle(libzfs_handle_t *hdl, char *path, zfs_type_t argtype)
931 struct stat64 statbuf;
932 struct extmnttab entry;
935 if (path[0] != '/' && strncmp(path, "./", strlen("./")) != 0) {
937 * It's not a valid path, assume it's a name of type 'argtype'.
939 return (zfs_open(hdl, path, argtype));
942 if (stat64(path, &statbuf) != 0) {
943 (void) fprintf(stderr, "%s: %s\n", path, strerror(errno));
947 /* Reopen MNTTAB to prevent reading stale data from open file */
948 if (freopen(MNTTAB, "r", hdl->libzfs_mnttab) == NULL)
951 while ((ret = getextmntent(hdl->libzfs_mnttab, &entry, 0)) == 0) {
952 if (makedevice(entry.mnt_major, entry.mnt_minor) ==
961 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) {
962 (void) fprintf(stderr, gettext("'%s': not a ZFS filesystem\n"),
967 return (zfs_open(hdl, entry.mnt_special, ZFS_TYPE_FILESYSTEM));
971 * Append partition suffix to an otherwise fully qualified device path.
972 * This is used to generate the name the full path as its stored in
973 * ZPOOL_CONFIG_PATH for whole disk devices. On success the new length
974 * of 'path' will be returned on error a negative value is returned.
977 zfs_append_partition(char *path, size_t max_len)
979 int len = strlen(path);
981 if ((strncmp(path, UDISK_ROOT, strlen(UDISK_ROOT)) == 0) ||
982 (strncmp(path, ZVOL_ROOT, strlen(ZVOL_ROOT)) == 0)) {
983 if (len + 6 >= max_len)
986 (void) strcat(path, "-part1");
989 if (len + 2 >= max_len)
992 if (isdigit(path[len-1])) {
993 (void) strcat(path, "p1");
996 (void) strcat(path, "1");
1005 * Given a shorthand device name check if a file by that name exists in any
1006 * of the 'zpool_default_import_path' or ZPOOL_IMPORT_PATH directories. If
1007 * one is found, store its fully qualified path in the 'path' buffer passed
1008 * by the caller and return 0, otherwise return an error.
1011 zfs_resolve_shortname(const char *name, char *path, size_t len)
1014 char *dir, *env, *envdup;
1016 env = getenv("ZPOOL_IMPORT_PATH");
1020 envdup = strdup(env);
1021 dir = strtok(envdup, ":");
1022 while (dir && error) {
1023 (void) snprintf(path, len, "%s/%s", dir, name);
1024 error = access(path, F_OK);
1025 dir = strtok(NULL, ":");
1029 for (i = 0; i < DEFAULT_IMPORT_PATH_SIZE && error < 0; i++) {
1030 (void) snprintf(path, len, "%s/%s",
1031 zpool_default_import_path[i], name);
1032 error = access(path, F_OK);
1036 return (error ? ENOENT : 0);
1040 * Given a shorthand device name look for a match against 'cmp_name'. This
1041 * is done by checking all prefix expansions using either the default
1042 * 'zpool_default_import_paths' or the ZPOOL_IMPORT_PATH environment
1043 * variable. Proper partition suffixes will be appended if this is a
1044 * whole disk. When a match is found 0 is returned otherwise ENOENT.
1047 zfs_strcmp_shortname(char *name, char *cmp_name, int wholedisk)
1049 int path_len, cmp_len, i = 0, error = ENOENT;
1050 char *dir, *env, *envdup = NULL;
1051 char path_name[MAXPATHLEN];
1053 cmp_len = strlen(cmp_name);
1054 env = getenv("ZPOOL_IMPORT_PATH");
1057 envdup = strdup(env);
1058 dir = strtok(envdup, ":");
1060 dir = zpool_default_import_path[i];
1064 /* Trim trailing directory slashes from ZPOOL_IMPORT_PATH */
1065 while (dir[strlen(dir)-1] == '/')
1066 dir[strlen(dir)-1] = '\0';
1068 path_len = snprintf(path_name, MAXPATHLEN, "%s/%s", dir, name);
1070 path_len = zfs_append_partition(path_name, MAXPATHLEN);
1072 if ((path_len == cmp_len) && strcmp(path_name, cmp_name) == 0) {
1078 dir = strtok(NULL, ":");
1079 } else if (++i < DEFAULT_IMPORT_PATH_SIZE) {
1080 dir = zpool_default_import_path[i];
1093 * Given either a shorthand or fully qualified path name look for a match
1094 * against 'cmp'. The passed name will be expanded as needed for comparison
1095 * purposes and redundant slashes stripped to ensure an accurate match.
1098 zfs_strcmp_pathname(char *name, char *cmp, int wholedisk)
1100 int path_len, cmp_len;
1101 char path_name[MAXPATHLEN];
1102 char cmp_name[MAXPATHLEN];
1105 /* Strip redundant slashes if one exists due to ZPOOL_IMPORT_PATH */
1106 memset(cmp_name, 0, MAXPATHLEN);
1108 dir = strtok(dup, "/");
1110 strcat(cmp_name, "/");
1111 strcat(cmp_name, dir);
1112 dir = strtok(NULL, "/");
1117 return (zfs_strcmp_shortname(name, cmp_name, wholedisk));
1119 (void) strlcpy(path_name, name, MAXPATHLEN);
1120 path_len = strlen(path_name);
1121 cmp_len = strlen(cmp_name);
1124 path_len = zfs_append_partition(path_name, MAXPATHLEN);
1129 if ((path_len != cmp_len) || strcmp(path_name, cmp_name))
1136 * Initialize the zc_nvlist_dst member to prepare for receiving an nvlist from
1140 zcmd_alloc_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, size_t len)
1144 zc->zc_nvlist_dst_size = len;
1146 (uint64_t)(uintptr_t)zfs_alloc(hdl, zc->zc_nvlist_dst_size);
1147 if (zc->zc_nvlist_dst == 0)
1154 * Called when an ioctl() which returns an nvlist fails with ENOMEM. This will
1155 * expand the nvlist to the size specified in 'zc_nvlist_dst_size', which was
1156 * filled in by the kernel to indicate the actual required size.
1159 zcmd_expand_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc)
1161 free((void *)(uintptr_t)zc->zc_nvlist_dst);
1163 (uint64_t)(uintptr_t)zfs_alloc(hdl, zc->zc_nvlist_dst_size);
1164 if (zc->zc_nvlist_dst == 0)
1171 * Called to free the src and dst nvlists stored in the command structure.
1174 zcmd_free_nvlists(zfs_cmd_t *zc)
1176 free((void *)(uintptr_t)zc->zc_nvlist_conf);
1177 free((void *)(uintptr_t)zc->zc_nvlist_src);
1178 free((void *)(uintptr_t)zc->zc_nvlist_dst);
1179 zc->zc_nvlist_conf = 0;
1180 zc->zc_nvlist_src = 0;
1181 zc->zc_nvlist_dst = 0;
1185 zcmd_write_nvlist_com(libzfs_handle_t *hdl, uint64_t *outnv, uint64_t *outlen,
1191 verify(nvlist_size(nvl, &len, NV_ENCODE_NATIVE) == 0);
1193 if ((packed = zfs_alloc(hdl, len)) == NULL)
1196 verify(nvlist_pack(nvl, &packed, &len, NV_ENCODE_NATIVE, 0) == 0);
1198 *outnv = (uint64_t)(uintptr_t)packed;
1205 zcmd_write_conf_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t *nvl)
1207 return (zcmd_write_nvlist_com(hdl, &zc->zc_nvlist_conf,
1208 &zc->zc_nvlist_conf_size, nvl));
1212 zcmd_write_src_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t *nvl)
1214 return (zcmd_write_nvlist_com(hdl, &zc->zc_nvlist_src,
1215 &zc->zc_nvlist_src_size, nvl));
1219 * Unpacks an nvlist from the ZFS ioctl command structure.
1222 zcmd_read_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t **nvlp)
1224 if (nvlist_unpack((void *)(uintptr_t)zc->zc_nvlist_dst,
1225 zc->zc_nvlist_dst_size, nvlp, 0) != 0)
1226 return (no_memory(hdl));
1232 zfs_ioctl(libzfs_handle_t *hdl, int request, zfs_cmd_t *zc)
1234 return (ioctl(hdl->libzfs_fd, request, zc));
1238 * ================================================================
1239 * API shared by zfs and zpool property management
1240 * ================================================================
1244 zprop_print_headers(zprop_get_cbdata_t *cbp, zfs_type_t type)
1246 zprop_list_t *pl = cbp->cb_proplist;
1251 cbp->cb_first = B_FALSE;
1252 if (cbp->cb_scripted)
1256 * Start with the length of the column headers.
1258 cbp->cb_colwidths[GET_COL_NAME] = strlen(dgettext(TEXT_DOMAIN, "NAME"));
1259 cbp->cb_colwidths[GET_COL_PROPERTY] = strlen(dgettext(TEXT_DOMAIN,
1261 cbp->cb_colwidths[GET_COL_VALUE] = strlen(dgettext(TEXT_DOMAIN,
1263 cbp->cb_colwidths[GET_COL_RECVD] = strlen(dgettext(TEXT_DOMAIN,
1265 cbp->cb_colwidths[GET_COL_SOURCE] = strlen(dgettext(TEXT_DOMAIN,
1268 /* first property is always NAME */
1269 assert(cbp->cb_proplist->pl_prop ==
1270 ((type == ZFS_TYPE_POOL) ? ZPOOL_PROP_NAME : ZFS_PROP_NAME));
1273 * Go through and calculate the widths for each column. For the
1274 * 'source' column, we kludge it up by taking the worst-case scenario of
1275 * inheriting from the longest name. This is acceptable because in the
1276 * majority of cases 'SOURCE' is the last column displayed, and we don't
1277 * use the width anyway. Note that the 'VALUE' column can be oversized,
1278 * if the name of the property is much longer than any values we find.
1280 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) {
1284 if (pl->pl_prop != ZPROP_INVAL) {
1285 const char *propname = (type == ZFS_TYPE_POOL) ?
1286 zpool_prop_to_name(pl->pl_prop) :
1287 zfs_prop_to_name(pl->pl_prop);
1289 len = strlen(propname);
1290 if (len > cbp->cb_colwidths[GET_COL_PROPERTY])
1291 cbp->cb_colwidths[GET_COL_PROPERTY] = len;
1293 len = strlen(pl->pl_user_prop);
1294 if (len > cbp->cb_colwidths[GET_COL_PROPERTY])
1295 cbp->cb_colwidths[GET_COL_PROPERTY] = len;
1299 * 'VALUE' column. The first property is always the 'name'
1300 * property that was tacked on either by /sbin/zfs's
1301 * zfs_do_get() or when calling zprop_expand_list(), so we
1302 * ignore its width. If the user specified the name property
1303 * to display, then it will be later in the list in any case.
1305 if (pl != cbp->cb_proplist &&
1306 pl->pl_width > cbp->cb_colwidths[GET_COL_VALUE])
1307 cbp->cb_colwidths[GET_COL_VALUE] = pl->pl_width;
1309 /* 'RECEIVED' column. */
1310 if (pl != cbp->cb_proplist &&
1311 pl->pl_recvd_width > cbp->cb_colwidths[GET_COL_RECVD])
1312 cbp->cb_colwidths[GET_COL_RECVD] = pl->pl_recvd_width;
1315 * 'NAME' and 'SOURCE' columns
1317 if (pl->pl_prop == (type == ZFS_TYPE_POOL ? ZPOOL_PROP_NAME :
1319 pl->pl_width > cbp->cb_colwidths[GET_COL_NAME]) {
1320 cbp->cb_colwidths[GET_COL_NAME] = pl->pl_width;
1321 cbp->cb_colwidths[GET_COL_SOURCE] = pl->pl_width +
1322 strlen(dgettext(TEXT_DOMAIN, "inherited from"));
1327 * Now go through and print the headers.
1329 for (i = 0; i < ZFS_GET_NCOLS; i++) {
1330 switch (cbp->cb_columns[i]) {
1332 title = dgettext(TEXT_DOMAIN, "NAME");
1334 case GET_COL_PROPERTY:
1335 title = dgettext(TEXT_DOMAIN, "PROPERTY");
1338 title = dgettext(TEXT_DOMAIN, "VALUE");
1341 title = dgettext(TEXT_DOMAIN, "RECEIVED");
1343 case GET_COL_SOURCE:
1344 title = dgettext(TEXT_DOMAIN, "SOURCE");
1350 if (title != NULL) {
1351 if (i == (ZFS_GET_NCOLS - 1) ||
1352 cbp->cb_columns[i + 1] == GET_COL_NONE)
1353 (void) printf("%s", title);
1355 (void) printf("%-*s ",
1356 cbp->cb_colwidths[cbp->cb_columns[i]],
1360 (void) printf("\n");
1364 * Display a single line of output, according to the settings in the callback
1368 zprop_print_one_property(const char *name, zprop_get_cbdata_t *cbp,
1369 const char *propname, const char *value, zprop_source_t sourcetype,
1370 const char *source, const char *recvd_value)
1373 const char *str = NULL;
1377 * Ignore those source types that the user has chosen to ignore.
1379 if ((sourcetype & cbp->cb_sources) == 0)
1383 zprop_print_headers(cbp, cbp->cb_type);
1385 for (i = 0; i < ZFS_GET_NCOLS; i++) {
1386 switch (cbp->cb_columns[i]) {
1391 case GET_COL_PROPERTY:
1399 case GET_COL_SOURCE:
1400 switch (sourcetype) {
1401 case ZPROP_SRC_NONE:
1405 case ZPROP_SRC_DEFAULT:
1409 case ZPROP_SRC_LOCAL:
1413 case ZPROP_SRC_TEMPORARY:
1417 case ZPROP_SRC_INHERITED:
1418 (void) snprintf(buf, sizeof (buf),
1419 "inherited from %s", source);
1422 case ZPROP_SRC_RECEIVED:
1429 str = (recvd_value == NULL ? "-" : recvd_value);
1436 if (cbp->cb_columns[i + 1] == GET_COL_NONE)
1437 (void) printf("%s", str);
1438 else if (cbp->cb_scripted)
1439 (void) printf("%s\t", str);
1441 (void) printf("%-*s ",
1442 cbp->cb_colwidths[cbp->cb_columns[i]],
1446 (void) printf("\n");
1450 * Given a numeric suffix, convert the value into a number of bits that the
1451 * resulting value must be shifted.
1454 str2shift(libzfs_handle_t *hdl, const char *buf)
1456 const char *ends = "BKMGTPEZ";
1461 for (i = 0; i < strlen(ends); i++) {
1462 if (toupper(buf[0]) == ends[i])
1465 if (i == strlen(ends)) {
1467 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1468 "invalid numeric suffix '%s'"), buf);
1473 * Allow 'G' = 'GB' = 'GiB', case-insensitively.
1474 * However, 'BB' and 'BiB' are disallowed.
1476 if (buf[1] == '\0' ||
1477 (toupper(buf[0]) != 'B' &&
1478 ((toupper(buf[1]) == 'B' && buf[2] == '\0') ||
1479 (toupper(buf[1]) == 'I' && toupper(buf[2]) == 'B' &&
1484 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1485 "invalid numeric suffix '%s'"), buf);
1490 * Convert a string of the form '100G' into a real number. Used when setting
1491 * properties or creating a volume. 'buf' is used to place an extended error
1492 * message for the caller to use.
1495 zfs_nicestrtonum(libzfs_handle_t *hdl, const char *value, uint64_t *num)
1502 /* Check to see if this looks like a number. */
1503 if ((value[0] < '0' || value[0] > '9') && value[0] != '.') {
1505 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1506 "bad numeric value '%s'"), value);
1510 /* Rely on strtoull() to process the numeric portion. */
1512 *num = strtoull(value, &end, 10);
1515 * Check for ERANGE, which indicates that the value is too large to fit
1516 * in a 64-bit value.
1518 if (errno == ERANGE) {
1520 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1521 "numeric value is too large"));
1526 * If we have a decimal value, then do the computation with floating
1527 * point arithmetic. Otherwise, use standard arithmetic.
1530 double fval = strtod(value, &end);
1532 if ((shift = str2shift(hdl, end)) == -1)
1535 fval *= pow(2, shift);
1537 if (fval > UINT64_MAX) {
1539 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1540 "numeric value is too large"));
1544 *num = (uint64_t)fval;
1546 if ((shift = str2shift(hdl, end)) == -1)
1549 /* Check for overflow */
1550 if (shift >= 64 || (*num << shift) >> shift != *num) {
1552 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1553 "numeric value is too large"));
1564 * Given a propname=value nvpair to set, parse any numeric properties
1565 * (index, boolean, etc) if they are specified as strings and add the
1566 * resulting nvpair to the returned nvlist.
1568 * At the DSL layer, all properties are either 64-bit numbers or strings.
1569 * We want the user to be able to ignore this fact and specify properties
1570 * as native values (numbers, for example) or as strings (to simplify
1571 * command line utilities). This also handles converting index types
1572 * (compression, checksum, etc) from strings to their on-disk index.
1575 zprop_parse_value(libzfs_handle_t *hdl, nvpair_t *elem, int prop,
1576 zfs_type_t type, nvlist_t *ret, char **svalp, uint64_t *ivalp,
1579 data_type_t datatype = nvpair_type(elem);
1580 zprop_type_t proptype;
1581 const char *propname;
1583 boolean_t isnone = B_FALSE;
1585 if (type == ZFS_TYPE_POOL) {
1586 proptype = zpool_prop_get_type(prop);
1587 propname = zpool_prop_to_name(prop);
1589 proptype = zfs_prop_get_type(prop);
1590 propname = zfs_prop_to_name(prop);
1594 * Convert any properties to the internal DSL value types.
1600 case PROP_TYPE_STRING:
1601 if (datatype != DATA_TYPE_STRING) {
1602 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1603 "'%s' must be a string"), nvpair_name(elem));
1606 (void) nvpair_value_string(elem, svalp);
1607 if (strlen(*svalp) >= ZFS_MAXPROPLEN) {
1608 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1609 "'%s' is too long"), nvpair_name(elem));
1614 case PROP_TYPE_NUMBER:
1615 if (datatype == DATA_TYPE_STRING) {
1616 (void) nvpair_value_string(elem, &value);
1617 if (strcmp(value, "none") == 0) {
1619 } else if (zfs_nicestrtonum(hdl, value, ivalp)
1623 } else if (datatype == DATA_TYPE_UINT64) {
1624 (void) nvpair_value_uint64(elem, ivalp);
1626 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1627 "'%s' must be a number"), nvpair_name(elem));
1632 * Quota special: force 'none' and don't allow 0.
1634 if ((type & ZFS_TYPE_DATASET) && *ivalp == 0 && !isnone &&
1635 (prop == ZFS_PROP_QUOTA || prop == ZFS_PROP_REFQUOTA)) {
1636 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1637 "use 'none' to disable quota/refquota"));
1642 * Special handling for "*_limit=none". In this case it's not
1645 if ((type & ZFS_TYPE_DATASET) && isnone &&
1646 (prop == ZFS_PROP_FILESYSTEM_LIMIT ||
1647 prop == ZFS_PROP_SNAPSHOT_LIMIT)) {
1648 *ivalp = UINT64_MAX;
1652 case PROP_TYPE_INDEX:
1653 if (datatype != DATA_TYPE_STRING) {
1654 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1655 "'%s' must be a string"), nvpair_name(elem));
1659 (void) nvpair_value_string(elem, &value);
1661 if (zprop_string_to_index(prop, value, ivalp, type) != 0) {
1662 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1663 "'%s' must be one of '%s'"), propname,
1664 zprop_values(prop, type));
1674 * Add the result to our return set of properties.
1676 if (*svalp != NULL) {
1677 if (nvlist_add_string(ret, propname, *svalp) != 0) {
1678 (void) no_memory(hdl);
1682 if (nvlist_add_uint64(ret, propname, *ivalp) != 0) {
1683 (void) no_memory(hdl);
1690 (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
1695 addlist(libzfs_handle_t *hdl, char *propname, zprop_list_t **listp,
1699 zprop_list_t *entry;
1701 prop = zprop_name_to_prop(propname, type);
1703 if (prop != ZPROP_INVAL && !zprop_valid_for_type(prop, type, B_FALSE))
1707 * When no property table entry can be found, return failure if
1708 * this is a pool property or if this isn't a user-defined
1711 if (prop == ZPROP_INVAL && ((type == ZFS_TYPE_POOL &&
1712 !zpool_prop_feature(propname) &&
1713 !zpool_prop_unsupported(propname)) ||
1714 (type == ZFS_TYPE_DATASET && !zfs_prop_user(propname) &&
1715 !zfs_prop_userquota(propname) && !zfs_prop_written(propname)))) {
1716 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1717 "invalid property '%s'"), propname);
1718 return (zfs_error(hdl, EZFS_BADPROP,
1719 dgettext(TEXT_DOMAIN, "bad property list")));
1722 if ((entry = zfs_alloc(hdl, sizeof (zprop_list_t))) == NULL)
1725 entry->pl_prop = prop;
1726 if (prop == ZPROP_INVAL) {
1727 if ((entry->pl_user_prop = zfs_strdup(hdl, propname)) ==
1732 entry->pl_width = strlen(propname);
1734 entry->pl_width = zprop_width(prop, &entry->pl_fixed,
1744 * Given a comma-separated list of properties, construct a property list
1745 * containing both user-defined and native properties. This function will
1746 * return a NULL list if 'all' is specified, which can later be expanded
1747 * by zprop_expand_list().
1750 zprop_get_list(libzfs_handle_t *hdl, char *props, zprop_list_t **listp,
1756 * If 'all' is specified, return a NULL list.
1758 if (strcmp(props, "all") == 0)
1762 * If no props were specified, return an error.
1764 if (props[0] == '\0') {
1765 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1766 "no properties specified"));
1767 return (zfs_error(hdl, EZFS_BADPROP, dgettext(TEXT_DOMAIN,
1768 "bad property list")));
1772 * It would be nice to use getsubopt() here, but the inclusion of column
1773 * aliases makes this more effort than it's worth.
1775 while (*props != '\0') {
1780 if ((p = strchr(props, ',')) == NULL) {
1781 len = strlen(props);
1788 * Check for empty options.
1791 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1792 "empty property name"));
1793 return (zfs_error(hdl, EZFS_BADPROP,
1794 dgettext(TEXT_DOMAIN, "bad property list")));
1798 * Check all regular property names.
1803 if (strcmp(props, "space") == 0) {
1804 static char *spaceprops[] = {
1805 "name", "avail", "used", "usedbysnapshots",
1806 "usedbydataset", "usedbyrefreservation",
1807 "usedbychildren", NULL
1811 for (i = 0; spaceprops[i]; i++) {
1812 if (addlist(hdl, spaceprops[i], listp, type))
1814 listp = &(*listp)->pl_next;
1817 if (addlist(hdl, props, listp, type))
1819 listp = &(*listp)->pl_next;
1831 zprop_free_list(zprop_list_t *pl)
1835 while (pl != NULL) {
1837 free(pl->pl_user_prop);
1843 typedef struct expand_data {
1844 zprop_list_t **last;
1845 libzfs_handle_t *hdl;
1850 zprop_expand_list_cb(int prop, void *cb)
1852 zprop_list_t *entry;
1853 expand_data_t *edp = cb;
1855 if ((entry = zfs_alloc(edp->hdl, sizeof (zprop_list_t))) == NULL)
1856 return (ZPROP_INVAL);
1858 entry->pl_prop = prop;
1859 entry->pl_width = zprop_width(prop, &entry->pl_fixed, edp->type);
1860 entry->pl_all = B_TRUE;
1862 *(edp->last) = entry;
1863 edp->last = &entry->pl_next;
1865 return (ZPROP_CONT);
1869 zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp, zfs_type_t type)
1871 zprop_list_t *entry;
1872 zprop_list_t **last;
1877 * If this is the very first time we've been called for an 'all'
1878 * specification, expand the list to include all native
1887 if (zprop_iter_common(zprop_expand_list_cb, &exp, B_FALSE,
1888 B_FALSE, type) == ZPROP_INVAL)
1892 * Add 'name' to the beginning of the list, which is handled
1895 if ((entry = zfs_alloc(hdl, sizeof (zprop_list_t))) == NULL)
1898 entry->pl_prop = (type == ZFS_TYPE_POOL) ? ZPOOL_PROP_NAME :
1900 entry->pl_width = zprop_width(entry->pl_prop,
1901 &entry->pl_fixed, type);
1902 entry->pl_all = B_TRUE;
1903 entry->pl_next = *plp;
1910 zprop_iter(zprop_func func, void *cb, boolean_t show_all, boolean_t ordered,
1913 return (zprop_iter_common(func, cb, show_all, ordered, type));