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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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7
drivers/md/raid0.c
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@@ -465,9 +465,8 @@ static inline int is_io_in_chunk_boundary(mddev_t *mddev,
}
}
static int raid0_make_request(struct request_queue *q, struct bio *bio)
static int raid0_make_request(mddev_t *mddev, struct bio *bio)
{
mddev_t *mddev = q->queuedata;
unsigned int chunk_sects;
sector_t sector_offset;
struct strip_zone *zone;
@@ -495,9 +494,9 @@ static int raid0_make_request(struct request_queue *q, struct bio *bio)
else
bp = bio_split(bio, chunk_sects -
sector_div(sector, chunk_sects));
if (raid0_make_request(q, &bp->bio1))
if (raid0_make_request(mddev, &bp->bio1))
generic_make_request(&bp->bio1);
if (raid0_make_request(q, &bp->bio2))
if (raid0_make_request(mddev, &bp->bio2))
generic_make_request(&bp->bio2);
bio_pair_release(bp);