cmd/zoneadm/zfs.c

356  * Remove the sw inventory file from inside this zonepath that we picked up out
384  * Make a ZFS clone on zonepath from snapshot_name.
387 clone_snap(char *snapshot_name, char *zonepath)
413 		    "%s: out of memory\n"), zonepath);
417 	err = zfs_clone(zhp, zonepath, props);
426 	if ((clone = zfs_open(g_zfs, zonepath, ZFS_TYPE_DATASET)) == NULL)
450  * This function takes a zonepath and attempts to determine what the ZFS
452  * assume that zonepath is an existing directory or ZFS fs since we use
455  * The way this works is that we look at the parent directory of the zonepath
457  * append the last component of the zonepath to generate the ZFS name for the
458  * zonepath.  This matches the algorithm that ZFS uses for automatically
478 path2name(char *zonepath, char *zfs_name, int len)
489 	if ((bnm = strdup(zonepath)) == NULL)
492 	if ((dnm = strdup(zonepath)) == NULL) {
847  * possible, or by copying the data from the snapshot to the zonepath.
850 clone_snapshot_zfs(char *snap_name, char *zonepath, char *validatesnap)
866 	 * The zonepath cannot be ZFS cloned, try to copy the data from
867 	 * within the snapshot to the zonepath.
869 	if (path2name(zonepath, clone_name, sizeof (clone_name)) != Z_OK) {
870 		if ((err = clone_copy(snap_path, zonepath)) == Z_OK)
874 				    "software inventory from %s\n"), zonepath);
885 			if ((err = clone_copy(snap_path, zonepath)) == Z_OK)
890 					    zonepath);
913  * Attempt to clone a source_zone to a target zonepath by using a ZFS clone.
916 clone_zfs(char *source_zonepath, char *zonepath, char *presnapbuf,
931 	 * Check if there is a file system already mounted on zonepath.  If so,
934 	if (is_mountpnt(zonepath)) {
938 		    "preventing use of a ZFS clone.\n"), zonepath);
943 	 * Instead of using path2name to get the clone name from the zonepath,
946 	 * source instead of what the zonepath says.  For example,
948 	 * source_zonepath		zonepath
955 	if (path2name(zonepath, clone_name, sizeof (clone_name)) != Z_OK) {
986  * Attempt to create a ZFS file system for the specified zonepath.
988  * on the zonepath or we don't.  The caller doesn't care since a regular
989  * directory is used for the zonepath if no ZFS file system is mounted there.
992 create_zfs_zonepath(char *zonepath)
998 	if (path2name(zonepath, zfs_name, sizeof (zfs_name)) != Z_OK)
1038 		if (chmod(zonepath, S_IRWXU) != 0) {
1042 			(void) destroy_zfs(zonepath);
1053  * If the zonepath is a ZFS file system, attempt to destroy it.  We return Z_OK
1054  * if we were able to zfs_destroy the zonepath, otherwise we return Z_ERR
1055  * which means the caller should clean up the zonepath in the traditional
1059 destroy_zfs(char *zonepath)
1065 	if ((zhp = mount2zhandle(zonepath)) == NULL)
1121 	(void) rmdir(zonepath);
1151 is_zonepath_zfs(char *zonepath)
1158 	if (statvfs64(zonepath, &buf1) != 0)
1164 	if ((path = strdup(zonepath)) == NULL)
1186 move_zfs(char *zonepath, char *new_zonepath)
1191 	if ((zhp = mount2zhandle(zonepath)) == NULL)
1200 		(void) rmdir(zonepath);
1430  * interest in a zonepath.  It also tallies the number of zone
1486 			    "subdirectories of %s.\n"), mounts->zonepath);
1494  * Initialize the specified zone_mounts_t structure for the given zonepath.
1496  * structure contains information about mounts in the specified zonepath.
1502 zone_mounts_init(zone_mounts_t *mounts, const char *zonepath)
1505 	assert(zonepath != NULL);
1508 	if ((mounts->zonepath = strdup(zonepath)) == NULL) {
1510 		    "for mounts in zonepath %s."), zonepath);
1513 	mounts->zonepath_len = strlen(zonepath);
1514 	if (zonecfg_find_mounts((char *)zonepath, zone_mounts_cb, mounts) ==
1517 		    "in zonepath %s."), zonepath);
1534 	free(mounts->zonepath);
1541  * prior to the move) using the specified zonepath.  mounts should refer to
1548 zone_mount_rootfs(zone_mounts_t *mounts, const char *zonepath)
1555 	assert(zonepath != NULL);
1567 	if (snprintf(zoneroot, sizeof (zoneroot), "%s/root", zonepath) >=
1569 		zerror(gettext("Zonepath %s is too long.\n"), zonepath);
1629  * specified zonepath.  mounts should refer to the zone_mounts_t structure
1638 zone_unmount_rootfs(zone_mounts_t *mounts, const char *zonepath,
1646 	assert(zonepath != NULL);
1658 	if (snprintf(zoneroot, sizeof (zoneroot), "%s/root", zonepath) >=
1660 		zerror(gettext("Zonepath %s is too long.\n"), zonepath);