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, 1 insertions, 7 deletions

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 7bfeba3ce1e0..c6ae7c194915 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3879,7 +3879,7 @@ static int make_request(struct request_queue *q, struct bio * bi)
         sector_t logical_sector, last_sector;
         struct stripe_head *sh;
         const int rw = bio_data_dir(bi);
-        int cpu, remaining;
+        int remaining;
 
         if (unlikely(bio_rw_flagged(bi, BIO_RW_BARRIER))) {
                 /* Drain all pending writes.  We only really need
@@ -3894,12 +3894,6 @@ static int make_request(struct request_queue *q, struct bio * bi)
 
         md_write_start(mddev, bi);
 
-        cpu = part_stat_lock();
-        part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
-        part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw],
-                      bio_sectors(bi));
-        part_stat_unlock();
-
         if (rw == READ &&
              mddev->reshape_position == MaxSector &&
              chunk_aligned_read(q,bi))