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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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8
drivers/md/raid5.c
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@@ -3753,9 +3753,8 @@ static int bio_fits_rdev(struct bio *bi)
}
static int chunk_aligned_read(struct request_queue *q, struct bio * raid_bio)
static int chunk_aligned_read(mddev_t *mddev, struct bio * raid_bio)
{
mddev_t *mddev = q->queuedata;
raid5_conf_t *conf = mddev->private;
int dd_idx;
struct bio* align_bi;
@@ -3870,9 +3869,8 @@ static struct stripe_head *__get_priority_stripe(raid5_conf_t *conf)
return sh;
}
static int make_request(struct request_queue *q, struct bio * bi)
static int make_request(mddev_t *mddev, struct bio * bi)
{
mddev_t *mddev = q->queuedata;
raid5_conf_t *conf = mddev->private;
int dd_idx;
sector_t new_sector;
@@ -3896,7 +3894,7 @@ static int make_request(struct request_queue *q, struct bio * bi)
if (rw == READ &&
mddev->reshape_position == MaxSector &&
chunk_aligned_read(q,bi))
chunk_aligned_read(mddev,bi))
return 0;
logical_sector = bi->bi_sector & ~((sector_t)STRIPE_SECTORS-1);