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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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7
drivers/md/raid1.c
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@@ -787,7 +787,6 @@ static int make_request(struct request_queue *q, struct bio * bio)
struct page **behind_pages = NULL;
const int rw = bio_data_dir(bio);
const bool do_sync = bio_rw_flagged(bio, BIO_RW_SYNCIO);
int cpu;
bool do_barriers;
mdk_rdev_t *blocked_rdev;
@@ -833,12 +832,6 @@ static int make_request(struct request_queue *q, struct bio * bio)
bitmap = mddev->bitmap;
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();
/*
* make_request() can abort the operation when READA is being
* used and no empty request is available.