bdi_stat 71 include/linux/backing-dev.h struct percpu_counter bdi_stat[NR_BDI_STAT_ITEMS]; bdi_stat 140 include/linux/backing-dev.h __percpu_counter_add(&bdi->bdi_stat[item], amount, BDI_STAT_BATCH); bdi_stat 178 include/linux/backing-dev.h return percpu_counter_read_positive(&bdi->bdi_stat[item]); bdi_stat 184 include/linux/backing-dev.h return percpu_counter_sum_positive(&bdi->bdi_stat[item]);