[PATCH 2/4] block: move the blk-mq calls out of part_in_flight{,_rw}
From: Christoph Hellwig <hch@lst.de>
Date: 2020-05-13 10:49:43
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
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> --- block/genhd.c | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-)
diff --git a/block/genhd.c b/block/genhd.c
index afdb2c3e5b22a..56e0560738c49 100644
--- a/block/genhd.c
+++ b/block/genhd.c@@ -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 "
--
2.26.2