diff options
Diffstat (limited to 'drivers/s390/block/dasd_ioctl.c')
| -rw-r--r-- | drivers/s390/block/dasd_ioctl.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c index 777734d1b4e5..cb6427fb9f3d 100644 --- a/drivers/s390/block/dasd_ioctl.c +++ b/drivers/s390/block/dasd_ioctl.c @@ -55,10 +55,7 @@ dasd_ioctl_enable(struct block_device *bdev) dasd_enable_device(base); /* Formatting the dasd device can change the capacity. */ - mutex_lock(&bdev->bd_mutex); - i_size_write(bdev->bd_inode, - (loff_t)get_capacity(base->block->gdp) << 9); - mutex_unlock(&bdev->bd_mutex); + bd_set_nr_sectors(bdev, get_capacity(base->block->gdp)); dasd_put_device(base); return 0; } @@ -91,9 +88,7 @@ dasd_ioctl_disable(struct block_device *bdev) * Set i_size to zero, since read, write, etc. check against this * value. */ - mutex_lock(&bdev->bd_mutex); - i_size_write(bdev->bd_inode, 0); - mutex_unlock(&bdev->bd_mutex); + bd_set_nr_sectors(bdev, 0); dasd_put_device(base); return 0; } @@ -282,7 +277,7 @@ dasd_ioctl_format(struct block_device *bdev, void __user *argp) dasd_put_device(base); return -EFAULT; } - if (bdev != bdev->bd_contains) { + if (bdev_is_partition(bdev)) { pr_warn("%s: The specified DASD is a partition and cannot be formatted\n", dev_name(&base->cdev->dev)); dasd_put_device(base); @@ -309,7 +304,7 @@ static int dasd_ioctl_check_format(struct block_device *bdev, void __user *argp) base = dasd_device_from_gendisk(bdev->bd_disk); if (!base) return -ENODEV; - if (bdev != bdev->bd_contains) { + if (bdev_is_partition(bdev)) { pr_warn("%s: The specified DASD is a partition and cannot be checked\n", dev_name(&base->cdev->dev)); rc = -EINVAL; @@ -367,7 +362,7 @@ static int dasd_ioctl_release_space(struct block_device *bdev, void __user *argp rc = -EROFS; goto out_err; } - if (bdev != bdev->bd_contains) { + if (bdev_is_partition(bdev)) { pr_warn("%s: The specified DASD is a partition and tracks cannot be released\n", dev_name(&base->cdev->dev)); rc = -EINVAL; @@ -545,7 +540,7 @@ dasd_ioctl_set_ro(struct block_device *bdev, void __user *argp) if (!capable(CAP_SYS_ADMIN)) return -EACCES; - if (bdev != bdev->bd_contains) + if (bdev_is_partition(bdev)) // ro setting is not allowed for partitions return -EINVAL; if (get_user(intval, (int __user *)argp)) |