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-rw-r--r--block/bio.c16
-rw-r--r--block/blk-core.c34
-rw-r--r--block/blk-merge.c5
-rw-r--r--block/genhd.c5
-rw-r--r--block/partition-generic.c5
5 files changed, 30 insertions, 35 deletions
diff --git a/block/bio.c b/block/bio.c
index 06760543ec81..0aca870331c3 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1668,11 +1668,12 @@ void generic_start_io_acct(struct request_queue *q, int op,
unsigned long sectors, struct hd_struct *part)
{
const int sgrp = op_stat_group(op);
- int cpu = part_stat_lock();
- part_round_stats(q, cpu, part);
- part_stat_inc(cpu, part, ios[sgrp]);
- part_stat_add(cpu, part, sectors[sgrp], sectors);
+ part_stat_lock();
+
+ part_round_stats(q, part);
+ part_stat_inc(part, ios[sgrp]);
+ part_stat_add(part, sectors[sgrp], sectors);
part_inc_in_flight(q, part, op_is_write(op));
part_stat_unlock();
@@ -1684,10 +1685,11 @@ void generic_end_io_acct(struct request_queue *q, int req_op,
{
unsigned long duration = jiffies - start_time;
const int sgrp = op_stat_group(req_op);
- int cpu = part_stat_lock();
- part_stat_add(cpu, part, nsecs[sgrp], jiffies_to_nsecs(duration));
- part_round_stats(q, cpu, part);
+ part_stat_lock();
+
+ part_stat_add(part, nsecs[sgrp], jiffies_to_nsecs(duration));
+ part_round_stats(q, part);
part_dec_in_flight(q, part, op_is_write(req_op));
part_stat_unlock();
diff --git a/block/blk-core.c b/block/blk-core.c
index ad59102ee30a..734b768c9d9d 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -584,14 +584,14 @@ struct request *blk_get_request(struct request_queue *q, unsigned int op,
}
EXPORT_SYMBOL(blk_get_request);
-static void part_round_stats_single(struct request_queue *q, int cpu,
+static void part_round_stats_single(struct request_queue *q,
struct hd_struct *part, unsigned long now,
unsigned int inflight)
{
if (inflight) {
- __part_stat_add(cpu, part, time_in_queue,
+ __part_stat_add(part, time_in_queue,
inflight * (now - part->stamp));
- __part_stat_add(cpu, part, io_ticks, (now - part->stamp));
+ __part_stat_add(part, io_ticks, (now - part->stamp));
}
part->stamp = now;
}
@@ -599,7 +599,6 @@ static void part_round_stats_single(struct request_queue *q, int cpu,
/**
* part_round_stats() - Round off the performance stats on a struct disk_stats.
* @q: target block queue
- * @cpu: cpu number for stats access
* @part: target partition
*
* The average IO queue length and utilisation statistics are maintained
@@ -613,7 +612,7 @@ static void part_round_stats_single(struct request_queue *q, int cpu,
* /proc/diskstats. This accounts immediately for all queue usage up to
* the current jiffies and restarts the counters again.
*/
-void part_round_stats(struct request_queue *q, int cpu, struct hd_struct *part)
+void part_round_stats(struct request_queue *q, struct hd_struct *part)
{
struct hd_struct *part2 = NULL;
unsigned long now = jiffies;
@@ -635,9 +634,9 @@ void part_round_stats(struct request_queue *q, int cpu, struct hd_struct *part)
part_in_flight(q, part, inflight);
if (stats & 2)
- part_round_stats_single(q, cpu, part2, now, inflight[1]);
+ part_round_stats_single(q, part2, now, inflight[1]);
if (stats & 1)
- part_round_stats_single(q, cpu, part, now, inflight[0]);
+ part_round_stats_single(q, part, now, inflight[0]);
}
EXPORT_SYMBOL_GPL(part_round_stats);
@@ -1362,11 +1361,10 @@ void blk_account_io_completion(struct request *req, unsigned int bytes)
if (blk_do_io_stat(req)) {
const int sgrp = op_stat_group(req_op(req));
struct hd_struct *part;
- int cpu;
- cpu = part_stat_lock();
+ part_stat_lock();
part = req->part;
- part_stat_add(cpu, part, sectors[sgrp], bytes >> 9);
+ part_stat_add(part, sectors[sgrp], bytes >> 9);
part_stat_unlock();
}
}
@@ -1381,14 +1379,13 @@ void blk_account_io_done(struct request *req, u64 now)
if (blk_do_io_stat(req) && !(req->rq_flags & RQF_FLUSH_SEQ)) {
const int sgrp = op_stat_group(req_op(req));
struct hd_struct *part;
- int cpu;
- cpu = part_stat_lock();
+ part_stat_lock();
part = req->part;
- part_stat_inc(cpu, part, ios[sgrp]);
- part_stat_add(cpu, part, nsecs[sgrp], now - req->start_time_ns);
- part_round_stats(req->q, cpu, part);
+ part_stat_inc(part, ios[sgrp]);
+ part_stat_add(part, nsecs[sgrp], now - req->start_time_ns);
+ part_round_stats(req->q, part);
part_dec_in_flight(req->q, part, rq_data_dir(req));
hd_struct_put(part);
@@ -1400,16 +1397,15 @@ void blk_account_io_start(struct request *rq, bool new_io)
{
struct hd_struct *part;
int rw = rq_data_dir(rq);
- int cpu;
if (!blk_do_io_stat(rq))
return;
- cpu = part_stat_lock();
+ part_stat_lock();
if (!new_io) {
part = rq->part;
- part_stat_inc(cpu, part, merges[rw]);
+ part_stat_inc(part, merges[rw]);
} else {
part = disk_map_sector_rcu(rq->rq_disk, blk_rq_pos(rq));
if (!hd_struct_try_get(part)) {
@@ -1424,7 +1420,7 @@ void blk_account_io_start(struct request *rq, bool new_io)
part = &rq->rq_disk->part0;
hd_struct_get(part);
}
- part_round_stats(rq->q, cpu, part);
+ part_round_stats(rq->q, part);
part_inc_in_flight(rq->q, part, rw);
rq->part = part;
}
diff --git a/block/blk-merge.c b/block/blk-merge.c
index 4431da69a5cf..a120d59b9705 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -685,12 +685,11 @@ static void blk_account_io_merge(struct request *req)
{
if (blk_do_io_stat(req)) {
struct hd_struct *part;
- int cpu;
- cpu = part_stat_lock();
+ part_stat_lock();
part = req->part;
- part_round_stats(req->q, cpu, part);
+ part_round_stats(req->q, part);
part_dec_in_flight(req->q, part, rq_data_dir(req));
hd_struct_put(part);
diff --git a/block/genhd.c b/block/genhd.c
index 0145bcb0cc76..2fe00cf32b93 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1326,7 +1326,6 @@ static int diskstats_show(struct seq_file *seqf, void *v)
struct hd_struct *hd;
char buf[BDEVNAME_SIZE];
unsigned int inflight[2];
- int cpu;
/*
if (&disk_to_dev(gp)->kobj.entry == block_class.devices.next)
@@ -1338,8 +1337,8 @@ static int diskstats_show(struct seq_file *seqf, void *v)
disk_part_iter_init(&piter, gp, DISK_PITER_INCL_EMPTY_PART0);
while ((hd = disk_part_iter_next(&piter))) {
- cpu = part_stat_lock();
- part_round_stats(gp->queue, cpu, hd);
+ part_stat_lock();
+ part_round_stats(gp->queue, hd);
part_stat_unlock();
part_in_flight(gp->queue, hd, inflight);
seq_printf(seqf, "%4d %7d %s "
diff --git a/block/partition-generic.c b/block/partition-generic.c
index 5f8db5c5140f..7e663cfb1487 100644
--- a/block/partition-generic.c
+++ b/block/partition-generic.c
@@ -121,10 +121,9 @@ ssize_t part_stat_show(struct device *dev,
struct hd_struct *p = dev_to_part(dev);
struct request_queue *q = part_to_disk(p)->queue;
unsigned int inflight[2];
- int cpu;
- cpu = part_stat_lock();
- part_round_stats(q, cpu, p);
+ part_stat_lock();
+ part_round_stats(q, p);
part_stat_unlock();
part_in_flight(q, p, inflight);
return sprintf(buf,
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-25 16:08:03 +0000