blk_rq_stat_sum   210 block/blk-iolatency.c 		blk_rq_stat_sum(&sum->rqs, &stat->rqs);
blk_rq_stat_sum    93 block/blk-stat.c 			blk_rq_stat_sum(&cb->stat[bucket], &cpu_stat[bucket]);
blk_rq_stat_sum   168 block/blk-stat.h void blk_rq_stat_sum(struct blk_rq_stat *, struct blk_rq_stat *);