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, 7 deletions

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 57d71d5d88f4..ca313d646fd1 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -795,7 +795,6 @@ static int make_request(struct request_queue *q, struct bio * bio)
         mirror_info_t *mirror;
         r10bio_t *r10_bio;
         struct bio *read_bio;
-        int cpu;
         int i;
         int chunk_sects = conf->chunk_mask + 1;
         const int rw = bio_data_dir(bio);
@@ -850,12 +849,6 @@ static int make_request(struct request_queue *q, struct bio * bio)
          */
         wait_barrier(conf);
 
-        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();
-
         r10_bio = mempool_alloc(conf->r10bio_pool, GFP_NOIO);
 
         r10_bio->master_bio = bio;