diff options
author | NeilBrown <neilb@suse.de> | 2010-04-01 04:02:13 (GMT) |
---|---|---|
committer | NeilBrown <neilb@suse.de> | 2010-05-18 05:27:55 (GMT) |
commit | 21a52c6d05c15f862797736393915bfa8cd40ee9 (patch) | |
tree | 44ffb633d209457979177a52132761a368fcb976 /drivers/md | |
parent | cca9cf90c504d98644ace52c474770970729f0eb (diff) | |
download | linux-21a52c6d05c15f862797736393915bfa8cd40ee9.tar.xz |
md: pass mddev to make_request functions rather than request_queue
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>
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/faulty.c | 3 | ||||
-rw-r--r-- | drivers/md/linear.c | 7 | ||||
-rw-r--r-- | drivers/md/md.c | 4 | ||||
-rw-r--r-- | drivers/md/md.h | 2 | ||||
-rw-r--r-- | drivers/md/multipath.c | 3 | ||||
-rw-r--r-- | drivers/md/raid0.c | 7 | ||||
-rw-r--r-- | drivers/md/raid1.c | 3 | ||||
-rw-r--r-- | drivers/md/raid10.c | 7 | ||||
-rw-r--r-- | drivers/md/raid5.c | 8 |
9 files changed, 18 insertions, 26 deletions
diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c index 608a8d3..bd4348f 100644 --- a/drivers/md/faulty.c +++ b/drivers/md/faulty.c @@ -168,9 +168,8 @@ static void add_sector(conf_t *conf, sector_t start, int mode) conf->nfaults = n+1; } -static int make_request(struct request_queue *q, struct bio *bio) +static int make_request(mddev_t *mddev, struct bio *bio) { - mddev_t *mddev = q->queuedata; conf_t *conf = mddev->private; int failit = 0; diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 3048c17..3204a22 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -286,9 +286,8 @@ static int linear_stop (mddev_t *mddev) return 0; } -static int linear_make_request (struct request_queue *q, struct bio *bio) +static int linear_make_request (mddev_t *mddev, struct bio *bio) { - mddev_t *mddev = q->queuedata; dev_info_t *tmp_dev; sector_t start_sector; @@ -328,9 +327,9 @@ static int linear_make_request (struct request_queue *q, struct bio *bio) bp = bio_split(bio, end_sector - bio->bi_sector); - if (linear_make_request(q, &bp->bio1)) + if (linear_make_request(mddev, &bp->bio1)) generic_make_request(&bp->bio1); - if (linear_make_request(q, &bp->bio2)) + if (linear_make_request(mddev, &bp->bio2)) generic_make_request(&bp->bio2); bio_pair_release(bp); return 0; diff --git a/drivers/md/md.c b/drivers/md/md.c index f48ba41..2e05b0c 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -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); diff --git a/drivers/md/md.h b/drivers/md/md.h index 3225e25..a536f54 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -330,7 +330,7 @@ struct mdk_personality int level; struct list_head list; struct module *owner; - int (*make_request)(struct request_queue *q, struct bio *bio); + int (*make_request)(mddev_t *mddev, struct bio *bio); int (*run)(mddev_t *mddev); int (*stop)(mddev_t *mddev); void (*status)(struct seq_file *seq, mddev_t *mddev); diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index 5b4e291..50bf8e6 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -135,9 +135,8 @@ static void multipath_unplug(struct request_queue *q) } -static int multipath_make_request (struct request_queue *q, struct bio * bio) +static int multipath_make_request(mddev_t *mddev, struct bio * bio) { - mddev_t *mddev = q->queuedata; multipath_conf_t *conf = mddev->private; struct multipath_bh * mp_bh; struct multipath_info *multipath; diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index d535f9b..9f9c6b7 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -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); diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index eebce16..5ff75c4 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -773,9 +773,8 @@ do_sync_io: return NULL; } -static int make_request(struct request_queue *q, struct bio * bio) +static int make_request(mddev_t *mddev, struct bio * bio) { - mddev_t *mddev = q->queuedata; conf_t *conf = mddev->private; mirror_info_t *mirror; r1bio_t *r1_bio; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index ca313d6..a1d72761 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -788,9 +788,8 @@ static void unfreeze_array(conf_t *conf) spin_unlock_irq(&conf->resync_lock); } -static int make_request(struct request_queue *q, struct bio * bio) +static int make_request(mddev_t *mddev, struct bio * bio) { - mddev_t *mddev = q->queuedata; conf_t *conf = mddev->private; mirror_info_t *mirror; r10bio_t *r10_bio; @@ -824,9 +823,9 @@ static int make_request(struct request_queue *q, struct bio * bio) */ bp = bio_split(bio, chunk_sects - (bio->bi_sector & (chunk_sects - 1)) ); - if (make_request(q, &bp->bio1)) + if (make_request(mddev, &bp->bio1)) generic_make_request(&bp->bio1); - if (make_request(q, &bp->bio2)) + if (make_request(mddev, &bp->bio2)) generic_make_request(&bp->bio2); bio_pair_release(bp); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 231afda..2882a26 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -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); |