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Re: 2.5.59-mm5

To: Andrew Morton <akpm@digeo.com>
Subject: Re: 2.5.59-mm5
From: Alex Tomas <bzzz@tmi.comex.ru>
Date: 24 Jan 2003 14:23:58 +0300
Cc: Alex Bligh - linux-kernel <linux-kernel@alex.org.uk>,linux-kernel@vger.kernel.org, linux-mm@kvack.org
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>>>>> Andrew Morton (AM) writes:

 AM> But writes are completely different.  There is no dependency
 AM> between them and at any point in time we know where on-disk a lot
 AM> of writes will be placed.  We don't know that for reads, which is
 AM> why we need to twiddle thumbs until the application or filesystem
 AM> makes up its mind.


it's significant that application doesn't want to wait read completion
long and doesn't wait for write completion in most cases.



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References:
- 2.5.59-mm5
  - From: Andrew Morton <akpm@digeo.com>
- Re: 2.5.59-mm5
  - From: Alex Bligh - linux-kernel <linux-kernel@alex.org.uk>
- Re: 2.5.59-mm5
  - From: Andrew Morton <akpm@digeo.com>

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