mdk_rdev_t **devlist = conf->devlist;
int i, ret = 0;
+ if (mddev_congested(mddev, bits))
+ return 1;
+
for (i = 0; i < mddev->raid_disks && !ret ; i++) {
struct request_queue *q = bdev_get_queue(devlist[i]->bdev);
static int create_strip_zones(mddev_t *mddev)
{
- int i, c, j, err;
+ int i, c, err;
sector_t curr_zone_end, sectors;
mdk_rdev_t *smallest, *rdev1, *rdev2, *rdev, **dev;
struct strip_zone *zone;
}
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.
/* now do the other zones */
for (i = 1; i < conf->nr_strip_zones; i++)
{
+ int j;
+
zone = conf->strip_zone + i;
dev = conf->devlist + i * mddev->raid_disks;
c = 0;
for (j=0; j<cnt; j++) {
- char b[BDEVNAME_SIZE];
rdev = conf->devlist[j];
printk(KERN_INFO "raid0: checking %s ...",
bdevname(rdev->bdev, b));
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;
printk(KERN_ERR "md/raid0: chunk size must be set.\n");
return -EINVAL;
}
+ if (md_check_no_bitmap(mddev))
+ return -EINVAL;
blk_queue_max_sectors(mddev->queue, mddev->chunk_sectors);
mddev->queue->queue_lock = &mddev->queue->__queue_lock;
blk_queue_merge_bvec(mddev->queue, raid0_mergeable_bvec);
dump_zones(mddev);
+ md_integrity_register(mddev);
return 0;
}
const int rw = bio_data_dir(bio);
int cpu;
- if (unlikely(bio_barrier(bio))) {
+ if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) {
bio_endio(bio, -EOPNOTSUPP);
return 0;
}