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.
   */
  
  #include <sys/zfs_context.h>
  #include <sys/dmu.h>
  #include <sys/dmu_objset.h>
*** 700,714 ****
                              ZAP_MAXVALUELEN, tbuf, NULL) == 0)
                                  valstr = tbuf;
                  }
          }
  
!         spa_history_log_internal((source == ZPROP_SRC_NONE ||
!             source == ZPROP_SRC_INHERITED) ? LOG_DS_INHERIT :
!             LOG_DS_PROPSET, ds->ds_dir->dd_pool->dp_spa, tx,
!             "%s=%s dataset = %llu", propname,
!             (valstr == NULL ? "" : valstr), ds->ds_object);
  
          if (tbuf != NULL)
                  kmem_free(tbuf, ZAP_MAXVALUELEN);
  }
  
--- 701,713 ----
                              ZAP_MAXVALUELEN, tbuf, NULL) == 0)
                                  valstr = tbuf;
                  }
          }
  
!         spa_history_log_internal_ds(ds, (source == ZPROP_SRC_NONE ||
!             source == ZPROP_SRC_INHERITED) ? "inherit" : "set", tx,
!             "%s=%s", propname, (valstr == NULL ? "" : valstr));
  
          if (tbuf != NULL)
                  kmem_free(tbuf, ZAP_MAXVALUELEN);
  }
  
*** 753,780 ****
                  }
                  dsl_prop_set_sync(ds, &psa, tx);
          }
  }
  
- void
- dsl_dir_prop_set_uint64_sync(dsl_dir_t *dd, const char *name, uint64_t val,
-     dmu_tx_t *tx)
- {
-         objset_t *mos = dd->dd_pool->dp_meta_objset;
-         uint64_t zapobj = dd->dd_phys->dd_props_zapobj;
- 
-         ASSERT(dmu_tx_is_syncing(tx));
- 
-         VERIFY(0 == zap_update(mos, zapobj, name, sizeof (val), 1, &val, tx));
- 
-         dsl_prop_changed_notify(dd->dd_pool, dd->dd_object, name, val, TRUE);
- 
-         spa_history_log_internal(LOG_DS_PROPSET, dd->dd_pool->dp_spa, tx,
-             "%s=%llu dataset = %llu", name, (u_longlong_t)val,
-             dd->dd_phys->dd_head_dataset_obj);
- }
- 
  int
  dsl_prop_set(const char *dsname, const char *propname, zprop_source_t source,
      int intsz, int numints, const void *buf)
  {
          dsl_dataset_t *ds;
--- 752,761 ----