2882 implement libzfs_core
2883 changing "canmount" property to "on" should not always remount dataset
2900 "zfs snapshot" should be able to create multiple, arbitrary snapshots at once
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Chris Siden <christopher.siden@delphix.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Reviewed by: Bill Pijewski <wdp@joyent.com>
Reviewed by: Dan Kruchinin <dan.kruchinin@gmail.com>

*** 18,27 ****
--- 18,28 ----
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+  * Copyright (c) 2012 by Delphix. All rights reserved.
   */
  
  /* Portions Copyright 2010 Robert Milkowski */
  
  #ifndef _SYS_DMU_OBJSET_H
*** 135,162 ****
      boolean_t readonly, void *tag, objset_t **osp);
  void dmu_objset_rele(objset_t *os, void *tag);
  void dmu_objset_disown(objset_t *os, void *tag);
  int dmu_objset_from_ds(struct dsl_dataset *ds, objset_t **osp);
  
- int dmu_objset_create(const char *name, dmu_objset_type_t type, uint64_t flags,
-     void (*func)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx), void *arg);
- int dmu_objset_clone(const char *name, struct dsl_dataset *clone_origin,
-     uint64_t flags);
- int dmu_objset_destroy(const char *name, boolean_t defer);
- int dmu_objset_snapshot(char *fsname, char *snapname, char *tag,
-     struct nvlist *props, boolean_t recursive, boolean_t temporary, int fd);
  void dmu_objset_stats(objset_t *os, nvlist_t *nv);
  void dmu_objset_fast_stat(objset_t *os, dmu_objset_stats_t *stat);
  void dmu_objset_space(objset_t *os, uint64_t *refdbytesp, uint64_t *availbytesp,
      uint64_t *usedobjsp, uint64_t *availobjsp);
  uint64_t dmu_objset_fsid_guid(objset_t *os);
- int dmu_objset_find(char *name, int func(const char *, void *), void *arg,
-     int flags);
  int dmu_objset_find_spa(spa_t *spa, const char *name,
      int func(spa_t *, uint64_t, const char *, void *), void *arg, int flags);
  int dmu_objset_prefetch(const char *name, void *arg);
- void dmu_objset_byteswap(void *buf, size_t size);
  int dmu_objset_evict_dbufs(objset_t *os);
  timestruc_t dmu_objset_snap_cmtime(objset_t *os);
  
  /* called from dsl */
  void dmu_objset_sync(objset_t *os, zio_t *zio, dmu_tx_t *tx);
--- 136,153 ----