From 490773268cf64f68da2470e07b52c7944da6312d Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Thu, 25 Mar 2010 16:20:56 +1100 Subject: 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 --- drivers/md/linear.c | 8 -------- 1 file changed, 8 deletions(-) (limited to 'drivers/md/linear.c') diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 9db8ee0614a4..3048c1704f40 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -288,23 +288,15 @@ static int linear_stop (mddev_t *mddev) static int linear_make_request (struct request_queue *q, struct bio *bio) { - const int rw = bio_data_dir(bio); mddev_t *mddev = q->queuedata; dev_info_t *tmp_dev; sector_t start_sector; - 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(); - rcu_read_lock(); tmp_dev = which_dev(mddev, bio->bi_sector); start_sector = tmp_dev->end_sector - tmp_dev->rdev->sectors; -- cgit v1.2.3