if (arg && !blkdev_dax_capable(bdev))
return -ENOTTY;
- mutex_lock(&bdev->bd_inode->i_mutex);
+ inode_lock(bdev->bd_inode);
if (bdev->bd_map_count == 0)
inode_set_flags(bdev->bd_inode, arg, S_DAX);
else
rc = -EBUSY;
- mutex_unlock(&bdev->bd_inode->i_mutex);
+ inode_unlock(bdev->bd_inode);
return rc;
}
#else