Messages in this thread | | | Date | Tue, 9 Nov 1999 17:32:56 +0100 | From | Jamie Lokier <> | Subject | Re: FIBMAP ioctl restrictions: why? |
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Stephen C. Tweedie wrote: > If we're going to modify the kernel for this, far better to go in the > direction of kernel async IO. That way you can just submit all the IOs > to the kernel at once and let it sort the IOs itself. The kernel may > have a much better idea about the ideal IO ordering than you do,
I tried this for a large number of stat() calls using threads, for various small numbers of threads. Surprise, the optimal number was 1 thread. No IO ordering improvement.
-- Jamie
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