struct disk_part_iter piter;
long long start, length;
int partno;
- int err;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
disk_part_iter_exit(&piter);
/* all seems OK */
- err = add_partition(disk, partno, start, length,
- ADDPART_FLAG_NONE);
+ part = add_partition(disk, partno, start, length,
+ ADDPART_FLAG_NONE);
mutex_unlock(&bdev->bd_mutex);
- return err;
+ return IS_ERR(part) ? PTR_ERR(part) : 0;
case BLKPG_DEL_PARTITION:
part = disk_get_part(disk, partno);
if (!part)
struct bio *bio;
bio = bio_alloc(GFP_KERNEL, 0);
- if (!bio)
- return -ENOMEM;
bio->bi_end_io = blk_ioc_discard_endio;
bio->bi_bdev = bdev;
bio->bi_private = &wait;
bio->bi_sector = start;
- if (len > q->max_hw_sectors) {
- bio->bi_size = q->max_hw_sectors << 9;
- len -= q->max_hw_sectors;
- start += q->max_hw_sectors;
+ if (len > queue_max_hw_sectors(q)) {
+ bio->bi_size = queue_max_hw_sectors(q) << 9;
+ len -= queue_max_hw_sectors(q);
+ start += queue_max_hw_sectors(q);
} else {
bio->bi_size = len << 9;
len = 0;
case BLKBSZGET: /* get the logical block size (cf. BLKSSZGET) */
return put_int(arg, block_size(bdev));
case BLKSSZGET: /* get block device hardware sector size */
- return put_int(arg, bdev_hardsect_size(bdev));
+ return put_int(arg, bdev_logical_block_size(bdev));
case BLKSECTGET:
- return put_ushort(arg, bdev_get_queue(bdev)->max_sectors);
+ return put_ushort(arg, queue_max_sectors(bdev_get_queue(bdev)));
case BLKRASET:
case BLKFRASET:
if(!capable(CAP_SYS_ADMIN))
bdi = blk_get_backing_dev_info(bdev);
if (bdi == NULL)
return -ENOTTY;
- lock_kernel();
bdi->ra_pages = (arg * 512) / PAGE_CACHE_SIZE;
- unlock_kernel();
return 0;
case BLKBSZSET:
/* set the logical block size */