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Date: Thu, 07 Oct 2010 20:33:11 +0300
From: Andriy Gapon <avg@freebsd.org>
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Subject: zfs: ru_inblock/ru_oublock accounting
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A simple, probably incomplete and perhaps incorrect patch for
ru_inblock/ru_oublock accounting in zfs:
http://people.freebsd.org/~avg/zfs-ru.diff
Still quite better than nothing.

P.S.
This is about top -m io.
-- 
Andriy Gapon