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-rw-r--r--block/bio.c1
-rw-r--r--block/blk-core.c1
-rw-r--r--block/genhd.c13
3 files changed, 10 insertions, 5 deletions
diff --git a/block/bio.c b/block/bio.c
index 68f65ef2ceba..bc9152977bf0 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1811,7 +1811,6 @@ void generic_end_io_acct(struct request_queue *q, int req_op,
update_io_ticks(part, now, true);
part_stat_add(part, nsecs[sgrp], jiffies_to_nsecs(duration));
- part_stat_add(part, time_in_queue, duration);
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 4401b30a1751..eaf6cb3887e6 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1340,7 +1340,6 @@ void blk_account_io_done(struct request *req, u64 now)
update_io_ticks(part, jiffies, true);
part_stat_inc(part, ios[sgrp]);
part_stat_add(part, nsecs[sgrp], now - req->start_time_ns);
- part_stat_add(part, time_in_queue, nsecs_to_jiffies64(now - req->start_time_ns));
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 9eb981f7e5a4..792356e922a1 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -110,7 +110,6 @@ static void part_stat_read_all(struct hd_struct *part, struct disk_stats *stat)
}
stat->io_ticks += ptr->io_ticks;
- stat->time_in_queue += ptr->time_in_queue;
}
}
#else /* CONFIG_SMP */
@@ -1265,7 +1264,11 @@ ssize_t part_stat_show(struct device *dev,
(unsigned int)div_u64(stat.nsecs[STAT_WRITE], NSEC_PER_MSEC),
inflight,
jiffies_to_msecs(stat.io_ticks),
- jiffies_to_msecs(stat.time_in_queue),
+ (unsigned int)div_u64(stat.nsecs[STAT_READ] +
+ stat.nsecs[STAT_WRITE] +
+ stat.nsecs[STAT_DISCARD] +
+ stat.nsecs[STAT_FLUSH],
+ NSEC_PER_MSEC),
stat.ios[STAT_DISCARD],
stat.merges[STAT_DISCARD],
(unsigned long long)stat.sectors[STAT_DISCARD],
@@ -1559,7 +1562,11 @@ static int diskstats_show(struct seq_file *seqf, void *v)
NSEC_PER_MSEC),
inflight,
jiffies_to_msecs(stat.io_ticks),
- jiffies_to_msecs(stat.time_in_queue),
+ (unsigned int)div_u64(stat.nsecs[STAT_READ] +
+ stat.nsecs[STAT_WRITE] +
+ stat.nsecs[STAT_DISCARD] +
+ stat.nsecs[STAT_FLUSH],
+ NSEC_PER_MSEC),
stat.ios[STAT_DISCARD],
stat.merges[STAT_DISCARD],
stat.sectors[STAT_DISCARD],