const int rw = bio_data_dir(bio);
struct mddev *mddev = q->queuedata;
unsigned int sectors;
+ int cpu;
if (mddev == NULL || mddev->pers == NULL
|| !mddev->ready) {
sectors = bio_sectors(bio);
mddev->pers->make_request(mddev, bio);
- generic_start_io_acct(rw, sectors, &mddev->gendisk->part0);
+ cpu = part_stat_lock();
+ part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
+ part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw], sectors);
+ part_stat_unlock();
if (atomic_dec_and_test(&mddev->active_io) && mddev->suspended)
wake_up(&mddev->sb_wait);
}
if (err) {
mddev_detach(mddev);
- pers->free(mddev, mddev->private);
+ if (mddev->private)
+ pers->free(mddev, mddev->private);
module_put(pers->owner);
bitmap_destroy(mddev);
return err;