Lines Matching refs:io_size
417 size_t io_size;
450 io_size = bo->num_pages - kmap_offset;
451 io_size = (io_size << PAGE_SHIFT) - page_offset;
452 if (count < io_size)
453 io_size = count;
480 ret = copy_from_user(virtual, wbuf, io_size);
482 ret = copy_to_user(rbuf, virtual, io_size);
491 *f_pos += io_size;
493 return io_size;
507 size_t io_size;
519 io_size = bo->num_pages - kmap_offset;
520 io_size = (io_size << PAGE_SHIFT) - page_offset;
521 if (count < io_size)
522 io_size = count;
548 ret = copy_from_user(virtual, wbuf, io_size);
550 ret = copy_to_user(rbuf, virtual, io_size);
559 *f_pos += io_size;
561 return io_size;