if (len + offset > PAGE_SIZE)
len = PAGE_SIZE - offset;
- src = buf->ops->map(pipe, buf, 1);
+ src = kmap_atomic(buf->page);
memcpy(page_address(page) + offset, src + buf->offset, len);
- buf->ops->unmap(pipe, buf, src);
+ kunmap_atomic(src);
sg_set_page(&(sgl->sg[sgl->n]), page, len, offset);
}