BLKG_RWSTAT_NR
for (i = 0; i < BLKG_RWSTAT_NR; i++)
ret = percpu_counter_init_many(rwstat->cpu_cnt, 0, gfp, BLKG_RWSTAT_NR);
for (i = 0; i < BLKG_RWSTAT_NR; i++)
percpu_counter_destroy_many(rwstat->cpu_cnt, BLKG_RWSTAT_NR);
for (i = 0; i < BLKG_RWSTAT_NR; i++)
for (i = 0; i < BLKG_RWSTAT_NR; i++) {
u64 sum[BLKG_RWSTAT_NR];
for (i = 0; i < BLKG_RWSTAT_NR; i++)
for (i = 0; i < BLKG_RWSTAT_NR; i++)
BLKG_RWSTAT_TOTAL = BLKG_RWSTAT_NR,
struct percpu_counter cpu_cnt[BLKG_RWSTAT_NR];
atomic64_t aux_cnt[BLKG_RWSTAT_NR];
u64 cnt[BLKG_RWSTAT_NR];
for (i = 0; i < BLKG_RWSTAT_NR; i++)