buffer size in the elevator

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Hello guys.
first, since there is no mailing lists for the linux elevators i posting
this mailing lists.

I am testing the deadline elevator ( 2.6.15 ). i am sending
buffer sizes of 1M to the target but it seems that buffer no bigger than
1/2 MB are reaching the elevator and sometimes page sized buffers.

Why is that ? Does the bio vector size caueses it?

thank you.
--
Raz


PS.
I have written an asynchronous IO tester , if any of you wishes to get
it just say .
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