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block: move the blk-mq calls out of part_in_flight{,_rw} 

Don't bother to call part_in_flight / part_in_flight_rw on blk-mq
devices, just call the blk-mq versions directly.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2020-05-13 12:49:33 +02:00 committed by Jens Axboe
parent f1394b7988
commit b2f609e191
1 changed files with 14 additions and 14 deletions
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28
block/genhd.c
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@ -142,14 +142,9 @@ void part_dec_in_flight(struct request_queue *q, struct hd_struct *part, int rw)
static unsigned int part_in_flight(struct request_queue *q,
struct hd_struct *part)
{
unsigned int inflight = 0;
int cpu;
unsigned int inflight;
if (queue_is_mq(q)) {
return blk_mq_in_flight(q, part);
}
inflight = 0;
for_each_possible_cpu(cpu) {
inflight += part_stat_local_read_cpu(part, in_flight[0], cpu) +
part_stat_local_read_cpu(part, in_flight[1], cpu);
@ -165,11 +160,6 @@ static void part_in_flight_rw(struct request_queue *q, struct hd_struct *part,
{
int cpu;
if (queue_is_mq(q)) {
blk_mq_in_flight_rw(q, part, inflight);
return;
}
inflight[0] = 0;
inflight[1] = 0;
for_each_possible_cpu(cpu) {
@ -1307,7 +1297,10 @@ ssize_t part_stat_show(struct device *dev,
unsigned int inflight;
part_stat_read_all(p, &stat);
inflight = part_in_flight(q, p);
if (queue_is_mq(q))
inflight = blk_mq_in_flight(q, p);
else
inflight = part_in_flight(q, p);
return sprintf(buf,
"%8lu %8lu %8llu %8u "
@ -1346,7 +1339,11 @@ ssize_t part_inflight_show(struct device *dev, struct device_attribute *attr,
struct request_queue *q = part_to_disk(p)->queue;
unsigned int inflight[2];
part_in_flight_rw(q, p, inflight);
if (queue_is_mq(q))
blk_mq_in_flight_rw(q, p, inflight);
else
part_in_flight_rw(q, p, inflight);
return sprintf(buf, "%8u %8u\n", inflight[0], inflight[1]);
}
@ -1601,7 +1598,10 @@ 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))) {
part_stat_read_all(hd, &stat);
inflight = part_in_flight(gp->queue, hd);
if (queue_is_mq(gp->queue))
inflight = blk_mq_in_flight(gp->queue, hd);
else
inflight = part_in_flight(gp->queue, hd);
seq_printf(seqf, "%4d %7d %s "
"%lu %lu %lu %u "