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md: move io accounting out of personalities into md_make_request

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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>
This commit is contained in:
NeilBrown
2010-03-25 16:20:56 +11:00
parent 2b7f22284d
commit 490773268c
7 changed files with 12 additions and 45 deletions
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drivers/md/raid10.c
-7
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@@ -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;