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-rw-r--r--block/genhd.c43
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)