Re: [QUESTION] Need some explanations in regard to memory alignment of requests that a block device receives

From: Alex Dubov
Date: Sat Aug 14 2010 - 03:08:23 EST


>
> However I am opting in to allow to receive requests that
> have many
> sectors span several memory regions, and be in highmem).
> The request is converted to scatterlist upon which I
> operate.
> (Untill this point I did the same think Alex does in
> mspro_blk.c)
>

If you'll look at what is actually there you'll see that neither of your
questions poses a real problem. But, of course, block layer is more
conservative, for what I can tell.




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