Re: news about IDE PIO HIGHMEM bug (was: Re: 2.6.9-mm1)

[Jeff Garzik]

Bartlomiej Zolnierkiewicz wrote:
> We have stuct page of the first page and a offset.
> We need to obtain struct page of the current page and map it.


Opening this question to a wider audience.

struct scatterlist gives us struct page*, and an offset+length pair. 
The struct page* is the _starting_ page of a potentially multi-page run 
of data.

The question:  how does one get struct page* for the second, and 
successive pages in a known-contiguous multi-page run, if one only knows 
the first page?

	Jeff


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