Re: struct page question

Luben Tuikov
2002-09-25T20:51:46Z

Jens Axboe wrote:
>
> > Apparently I cannot just set b_data and b_size, b_page
> > also has to be set and it also seems that it will
> > not work if page_address(b_page) != b_data...
>
> bh->b_page = virt_to_page(va);
> bh->b_data = va;

Thanks Jens again.

My doubts are that va might not point to page->virtual,
but may point ``in the middle'' of the page, in which case
md will cough up since it does the page_address(b_page) != b_data
then BUG()...

I.e. I cannot guarantee about where va points (just that it is NOT
highmem).

--
Luben