md: move io accounting out of personalities into md_make_request

While I generally prefer letting personalities do as much as possible,
given that we have a central md_make_request anyway we may as well use
it to simplify code.
Also this centralises knowledge of ->gendisk which will help later.

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 0 insertions, 8 deletions

diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index afddf624bad3..d535f9be39f4 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -472,20 +472,12 @@ static int raid0_make_request(struct request_queue *q, struct bio *bio)
         sector_t sector_offset;
         struct strip_zone *zone;
         mdk_rdev_t *tmp_dev;
-        const int rw = bio_data_dir(bio);
-        int cpu;
 
         if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) {
                 md_barrier_request(mddev, bio);
                 return 0;
         }
 
-        cpu = part_stat_lock();
-        part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
-        part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw],
-                      bio_sectors(bio));
-        part_stat_unlock();
-
         chunk_sects = mddev->chunk_sectors;
         if (unlikely(!is_io_in_chunk_boundary(mddev, chunk_sects, bio))) {
                 sector_t sector = bio->bi_sector;