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

*** 597,607 ****
  
          /*
           * synchronize w/ufs ioctls
           */
          mutex_enter(&ulp->ul_lock);
!         atomic_add_long(&ufs_quiesce_pend, 1);
  
          /*
           * reset options
           */
          ufsvfsp->vfs_nointr  = flags & UFSMNT_NOINTR;
--- 597,607 ----
  
          /*
           * synchronize w/ufs ioctls
           */
          mutex_enter(&ulp->ul_lock);
!         atomic_inc_ulong(&ufs_quiesce_pend);
  
          /*
           * reset options
           */
          ufsvfsp->vfs_nointr  = flags & UFSMNT_NOINTR;
*** 743,753 ****
          TRANS_MATA_MOUNT(ufsvfsp);
  
          fsp->fs_fmod = 0;
          fsp->fs_ronly = 0;
  
!         atomic_add_long(&ufs_quiesce_pend, -1);
          cv_broadcast(&ulp->ul_cv);
          mutex_exit(&ulp->ul_lock);
  
          if (TRANS_ISTRANS(ufsvfsp)) {
  
--- 743,753 ----
          TRANS_MATA_MOUNT(ufsvfsp);
  
          fsp->fs_fmod = 0;
          fsp->fs_ronly = 0;
  
!         atomic_dec_ulong(&ufs_quiesce_pend);
          cv_broadcast(&ulp->ul_cv);
          mutex_exit(&ulp->ul_lock);
  
          if (TRANS_ISTRANS(ufsvfsp)) {
  
*** 772,782 ****
          return (0);
  
  remounterr:
          if (tpt)
                  brelse(tpt);
!         atomic_add_long(&ufs_quiesce_pend, -1);
          cv_broadcast(&ulp->ul_cv);
          mutex_exit(&ulp->ul_lock);
          return (error);
  }
  
--- 772,782 ----
          return (0);
  
  remounterr:
          if (tpt)
                  brelse(tpt);
!         atomic_dec_ulong(&ufs_quiesce_pend);
          cv_broadcast(&ulp->ul_cv);
          mutex_exit(&ulp->ul_lock);
          return (error);
  }
  
*** 1419,1429 ****
                   * If file system is already hard locked,
                   * unmount the file system, otherwise
                   * hard lock it before unmounting.
                   */
                  if (!ULOCKFS_IS_HLOCK(ulp)) {
!                         atomic_add_long(&ufs_quiesce_pend, 1);
                          lockfs.lf_lock = LOCKFS_HLOCK;
                          lockfs.lf_flags = 0;
                          lockfs.lf_key = ulp->ul_lockfs.lf_key + 1;
                          lockfs.lf_comlen = 0;
                          lockfs.lf_comment = NULL;
--- 1419,1429 ----
                   * If file system is already hard locked,
                   * unmount the file system, otherwise
                   * hard lock it before unmounting.
                   */
                  if (!ULOCKFS_IS_HLOCK(ulp)) {
!                         atomic_inc_ulong(&ufs_quiesce_pend);
                          lockfs.lf_lock = LOCKFS_HLOCK;
                          lockfs.lf_flags = 0;
                          lockfs.lf_key = ulp->ul_lockfs.lf_key + 1;
                          lockfs.lf_comlen = 0;
                          lockfs.lf_comment = NULL;
*** 1431,1441 ****
                          ULOCKFS_SET_BUSY(ulp);
                          LOCKFS_SET_BUSY(&ulp->ul_lockfs);
                          (void) ufs_quiesce(ulp);
                          (void) ufs_flush(vfsp);
                          (void) ufs_thaw(vfsp, ufsvfsp, ulp);
!                         atomic_add_long(&ufs_quiesce_pend, -1);
                          ULOCKFS_CLR_BUSY(ulp);
                          LOCKFS_CLR_BUSY(&ulp->ul_lockfs);
                          poll_events |= POLLERR;
                          pollwakeup(&ufs_pollhd, poll_events);
                  }
--- 1431,1441 ----
                          ULOCKFS_SET_BUSY(ulp);
                          LOCKFS_SET_BUSY(&ulp->ul_lockfs);
                          (void) ufs_quiesce(ulp);
                          (void) ufs_flush(vfsp);
                          (void) ufs_thaw(vfsp, ufsvfsp, ulp);
!                         atomic_dec_ulong(&ufs_quiesce_pend);
                          ULOCKFS_CLR_BUSY(ulp);
                          LOCKFS_CLR_BUSY(&ulp->ul_lockfs);
                          poll_events |= POLLERR;
                          pollwakeup(&ufs_pollhd, poll_events);
                  }
*** 2151,2161 ****
  
          ufsvfsp = (struct ufsvfs *)vfsp->vfs_data;
          ulp = &ufsvfsp->vfs_ulockfs;
  
          mutex_enter(&ulp->ul_lock);
!         atomic_add_long(&ufs_quiesce_pend, 1);
  
          (void) ufs_quiesce(ulp);
          (void) ufs_flush(vfsp);
  
          /*
--- 2151,2161 ----
  
          ufsvfsp = (struct ufsvfs *)vfsp->vfs_data;
          ulp = &ufsvfsp->vfs_ulockfs;
  
          mutex_enter(&ulp->ul_lock);
!         atomic_inc_ulong(&ufs_quiesce_pend);
  
          (void) ufs_quiesce(ulp);
          (void) ufs_flush(vfsp);
  
          /*
*** 2276,2286 ****
          }
  
          rootdev = new_rootdev;
          rootvp = new_rootvp;
  
!         atomic_add_long(&ufs_quiesce_pend, -1);
          cv_broadcast(&ulp->ul_cv);
          mutex_exit(&ulp->ul_lock);
  
          vfs_unlock(vfsp);
  
--- 2276,2286 ----
          }
  
          rootdev = new_rootdev;
          rootvp = new_rootvp;
  
!         atomic_dec_ulong(&ufs_quiesce_pend);
          cv_broadcast(&ulp->ul_cv);
          mutex_exit(&ulp->ul_lock);
  
          vfs_unlock(vfsp);