diff options
| author | Ingo Molnar <mingo@kernel.org> | 2015-05-27 10:17:21 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-05-27 10:17:21 +0300 |
| commit | 8d12ded3dd499e38e8022fe3ec53920d085e57a3 (patch) | |
| tree | 8b73e5a68f24b0bd33430bed8993de979825ffcf /drivers/md/raid0.c | |
| parent | d499c106843afa0703a68c64662bf42a16421aec (diff) | |
| parent | 68ab747604da98f0a0414f197f346ac22888fcee (diff) | |
| download | linux-8d12ded3dd499e38e8022fe3ec53920d085e57a3.tar.xz | |
Merge branch 'perf/urgent' into perf/core, before applying dependent patches
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/md/raid0.c')
| -rw-r--r-- | drivers/md/raid0.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 2cb59a641cd2..efb654eb5399 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -188,8 +188,9 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf) } dev[j] = rdev1; - disk_stack_limits(mddev->gendisk, rdev1->bdev, - rdev1->data_offset << 9); + if (mddev->queue) + disk_stack_limits(mddev->gendisk, rdev1->bdev, + rdev1->data_offset << 9); if (rdev1->bdev->bd_disk->queue->merge_bvec_fn) conf->has_merge_bvec = 1; @@ -523,6 +524,9 @@ static void raid0_make_request(struct mddev *mddev, struct bio *bio) ? (sector & (chunk_sects-1)) : sector_div(sector, chunk_sects)); + /* Restore due to sector_div */ + sector = bio->bi_iter.bi_sector; + if (sectors < bio_sectors(bio)) { split = bio_split(bio, sectors, GFP_NOIO, fs_bio_set); bio_chain(split, bio); @@ -530,7 +534,6 @@ static void raid0_make_request(struct mddev *mddev, struct bio *bio) split = bio; } - sector = bio->bi_iter.bi_sector; zone = find_zone(mddev->private, §or); tmp_dev = map_sector(mddev, zone, sector, §or); split->bi_bdev = tmp_dev->bdev; |