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

*** 1821,1833 ****
          spa_t *spa = zio->io_spa;
  
          if (error) {
                  if ((BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type)) &&
                      type != DMU_OT_INTENT_LOG)
!                         atomic_add_64(&sle->sle_meta_count, 1);
                  else
!                         atomic_add_64(&sle->sle_data_count, 1);
          }
          zio_data_buf_free(zio->io_data, zio->io_size);
  
          mutex_enter(&spa->spa_scrub_lock);
          spa->spa_scrub_inflight--;
--- 1821,1833 ----
          spa_t *spa = zio->io_spa;
  
          if (error) {
                  if ((BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type)) &&
                      type != DMU_OT_INTENT_LOG)
!                         atomic_inc_64(&sle->sle_meta_count);
                  else
!                         atomic_inc_64(&sle->sle_data_count);
          }
          zio_data_buf_free(zio->io_data, zio->io_size);
  
          mutex_enter(&spa->spa_scrub_lock);
          spa->spa_scrub_inflight--;