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Date: Fri, 21 Feb 2003 22:17:55 +1100
From: Nick Piggin <piggin@cyberone.com.au>
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To: Andrea Arcangeli <andrea@suse.de>
CC: William Lee Irwin III <wli@holomorphy.com>, Andrew Morton <akpm@digeo.com>,
       David Lang <david.lang@digitalinsight.com>,
       linux-kernel@vger.kernel.org
Subject: Re: IO scheduler benchmarking
References: <20030220212304.4712fee9.akpm@digeo.com> <Pine.LNX.4.44.0302202247110.12601-100000@dlang.diginsite.com> <20030221001624.278ef232.akpm@digeo.com> <20030221103140.GN31480@x30.school.suse.de> <20030221105146.GA10411@holomorphy.com> <20030221110807.GQ31480@x30.school.suse.de>
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Andrea Arcangeli wrote:

>it's like a dma ring buffer size of a soundcard, if you want low latency
>it has to be small, it's as simple as that. It's a tradeoff between
>
Although the dma buffer is strictly FIFO, so the situation isn't
quite so simple for disk IO.

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