5045 use atomic_{inc,dec}_* instead of atomic_add_*

*** 671,681 ****
  static uint64_t open_owner_seq_num = 0;
  
  uint64_t
  nfs4_get_new_oo_name(void)
  {
!         return (atomic_add_64_nv(&open_owner_seq_num, 1));
  }
  
  /*
   * Create a new open owner and add it to the open owner hash table.
   */
--- 671,681 ----
  static uint64_t open_owner_seq_num = 0;
  
  uint64_t
  nfs4_get_new_oo_name(void)
  {
!         return (atomic_inc_64_nv(&open_owner_seq_num));
  }
  
  /*
   * Create a new open owner and add it to the open owner hash table.
   */
*** 834,844 ****
  
          /*
           * A Solaris lock_owner is <seq_num><pid>
           */
          lop->lock_owner_name.ln_seq_num =
!             atomic_add_64_nv(&lock_owner_seq_num, 1);
          lop->lock_owner_name.ln_pid = pid;
  
          cv_init(&lop->lo_cv_seqid_sync, NULL, CV_DEFAULT, NULL);
          mutex_init(&lop->lo_lock, NULL, MUTEX_DEFAULT, NULL);
  
--- 834,844 ----
  
          /*
           * A Solaris lock_owner is <seq_num><pid>
           */
          lop->lock_owner_name.ln_seq_num =
!             atomic_inc_64_nv(&lock_owner_seq_num);
          lop->lock_owner_name.ln_pid = pid;
  
          cv_init(&lop->lo_cv_seqid_sync, NULL, CV_DEFAULT, NULL);
          mutex_init(&lop->lo_lock, NULL, MUTEX_DEFAULT, NULL);
  
*** 881,891 ****
          owner->owner_val = kmem_alloc(owner->owner_len, KM_SLEEP);
          /*
           * A Solaris lock_owner is <seq_num><pid>
           */
          cast_namep = (nfs4_lo_name_t *)owner->owner_val;
!         cast_namep->ln_seq_num = atomic_add_64_nv(&lock_owner_seq_num, 1);
          cast_namep->ln_pid = pid;
  }
  
  /*
   * Fill in the lock owner args.
--- 881,891 ----
          owner->owner_val = kmem_alloc(owner->owner_len, KM_SLEEP);
          /*
           * A Solaris lock_owner is <seq_num><pid>
           */
          cast_namep = (nfs4_lo_name_t *)owner->owner_val;
!         cast_namep->ln_seq_num = atomic_inc_64_nv(&lock_owner_seq_num);
          cast_namep->ln_pid = pid;
  }
  
  /*
   * Fill in the lock owner args.