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md: pass mddev to make_request functions rather than request_queue

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We used to pass the personality make_request function direct
to the block layer so the first argument had to be a queue.
But now we have the intermediary md_make_request so it makes
at lot more sense to pass a struct mddev_s.
It makes it possible to have an mddev without its own queue too.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown
2010-04-01 15:02:13 +11:00
parent cca9cf90c5
commit 21a52c6d05
9 changed files with 18 additions and 26 deletions
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4
drivers/md/md.c
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@@ -240,7 +240,7 @@ static int md_make_request(struct request_queue *q, struct bio *bio)
atomic_inc(&mddev->active_io);
rcu_read_unlock();
rv = mddev->pers->make_request(q, bio);
rv = mddev->pers->make_request(mddev, bio);
cpu = part_stat_lock();
part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
@@ -354,7 +354,7 @@ static void md_submit_barrier(struct work_struct *ws)
bio_endio(bio, 0);
else {
bio->bi_rw &= ~(1<<BIO_RW_BARRIER);
if (mddev->pers->make_request(mddev->queue, bio))
if (mddev->pers->make_request(mddev, bio))
generic_make_request(bio);
mddev->barrier = POST_REQUEST_BARRIER;
submit_barriers(mddev);