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-rw-r--r--drivers/md/raid0.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index ab4a489d8695..335f490dcad6 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -170,8 +170,8 @@ static int create_strip_zones(mddev_t *mddev)
}
dev[j] = rdev1;
- blk_queue_stack_limits(mddev->queue,
- rdev1->bdev->bd_disk->queue);
+ disk_stack_limits(mddev->gendisk, rdev1->bdev,
+ rdev1->data_offset << 9);
/* as we don't honour merge_bvec_fn, we must never risk
* violating it, so limit ->max_sector to one PAGE, as
* a one page request is never in violation.
@@ -250,6 +250,11 @@ static int create_strip_zones(mddev_t *mddev)
mddev->chunk_sectors << 9);
goto abort;
}
+
+ blk_queue_io_min(mddev->queue, mddev->chunk_sectors << 9);
+ blk_queue_io_opt(mddev->queue,
+ (mddev->chunk_sectors << 9) * mddev->raid_disks);
+
printk(KERN_INFO "raid0: done.\n");
mddev->private = conf;
return 0;