diff options
Diffstat (limited to 'block/genhd.c')
| -rw-r--r-- | block/genhd.c | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/block/genhd.c b/block/genhd.c index cdf174d7d329..9827a2c05db7 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -50,9 +50,9 @@ void part_inc_in_flight(struct request_queue *q, struct hd_struct *part, int rw) if (queue_is_mq(q)) return; - atomic_inc(&part->in_flight[rw]); + part_stat_local_inc(part, in_flight[rw]); if (part->partno) - atomic_inc(&part_to_disk(part)->part0.in_flight[rw]); + part_stat_local_inc(&part_to_disk(part)->part0, in_flight[rw]); } void part_dec_in_flight(struct request_queue *q, struct hd_struct *part, int rw) @@ -60,38 +60,61 @@ void part_dec_in_flight(struct request_queue *q, struct hd_struct *part, int rw) if (queue_is_mq(q)) return; - atomic_dec(&part->in_flight[rw]); + part_stat_local_dec(part, in_flight[rw]); if (part->partno) - atomic_dec(&part_to_disk(part)->part0.in_flight[rw]); + part_stat_local_dec(&part_to_disk(part)->part0, in_flight[rw]); } void part_in_flight(struct request_queue *q, struct hd_struct *part, unsigned int inflight[2]) { + int cpu; + if (queue_is_mq(q)) { blk_mq_in_flight(q, part, inflight); return; } - inflight[0] = atomic_read(&part->in_flight[0]) + - atomic_read(&part->in_flight[1]); + inflight[0] = 0; + for_each_possible_cpu(cpu) { + inflight[0] += part_stat_local_read_cpu(part, in_flight[0], cpu) + + part_stat_local_read_cpu(part, in_flight[1], cpu); + } + if ((int)inflight[0] < 0) + inflight[0] = 0; + if (part->partno) { part = &part_to_disk(part)->part0; - inflight[1] = atomic_read(&part->in_flight[0]) + - atomic_read(&part->in_flight[1]); + inflight[1] = 0; + for_each_possible_cpu(cpu) { + inflight[1] += part_stat_local_read_cpu(part, in_flight[0], cpu) + + part_stat_local_read_cpu(part, in_flight[1], cpu); + } + if ((int)inflight[1] < 0) + inflight[1] = 0; } } void part_in_flight_rw(struct request_queue *q, struct hd_struct *part, unsigned int inflight[2]) { + int cpu; + if (queue_is_mq(q)) { blk_mq_in_flight_rw(q, part, inflight); return; } - inflight[0] = atomic_read(&part->in_flight[0]); - inflight[1] = atomic_read(&part->in_flight[1]); + inflight[0] = 0; + inflight[1] = 0; + for_each_possible_cpu(cpu) { + inflight[0] += part_stat_local_read_cpu(part, in_flight[0], cpu); + inflight[1] += part_stat_local_read_cpu(part, in_flight[1], cpu); + } + if ((int)inflight[0] < 0) + inflight[0] = 0; + if ((int)inflight[1] < 0) + inflight[1] = 0; } struct hd_struct *__disk_get_part(struct gendisk *disk, int partno) |