On Wed, 13 Sep 2000, Alan Cox wrote:
>> Yes, but "how hard is it reasonable for the kernel to try" is based on
>> both items. A good first order approximation is number of requests.
>
>I must strongly disagree with that claim. A request could be 512 bytes or
>128K.
Current elevator account the number of bh that enters the bh layer (we're
not making difference between 1k and 4k softblocksizes though).
I was misleading (sorry) when I used the term "request", I didn't meant a
`struct request" but a new I/O request (1k/4k sized) pushed into the
blkdev layer.
Andrea
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