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| author | NeilBrown <neilb@suse.de> | 2010-03-25 16:20:56 +1100 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2010-05-18 15:27:52 +1000 |
| commit | 490773268cf64f68da2470e07b52c7944da6312d (patch) | |
| tree | d394aafa7203c316db6b63f128b8894e18993fca /drivers/md/linear.c | |
| parent | 2b7f22284d71975e37a82db154386348eec0e52c (diff) | |
| download | linux-490773268cf64f68da2470e07b52c7944da6312d.tar.gz linux-490773268cf64f68da2470e07b52c7944da6312d.tar.bz2 linux-490773268cf64f68da2470e07b52c7944da6312d.zip | |
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>
Diffstat (limited to 'drivers/md/linear.c')
| -rw-r--r-- | drivers/md/linear.c | 8 |
1 files changed, 0 insertions, 8 deletions
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; |