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[xfs-masters] Re: [PATCH -mm 3/10][RFC] aio: use iov_length instead of k

from [Christoph Hellwig] [Permanent Link][Original]
To: Nate Diller <nate@xxxxxxxxx>
Subject: [xfs-masters] Re: [PATCH -mm 3/10][RFC] aio: use iov_length instead of ki_left
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 16 Jan 2007 02:14:38 +0000
Cc: Nate Diller <nate.diller@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxx>, Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>, Trond Myklebust <trond.myklebust@xxxxxxxxxx>, Benjamin LaHaise <bcrl@xxxxxxxxx>, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, Suparna Bhattacharya <suparna@xxxxxxxxxx>, Kenneth W Chen <kenneth.w.chen@xxxxxxxxx>, David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, ocfs2-devel@xxxxxxxxxxxxxx, linux-aio@xxxxxxxxx, xfs-masters@xxxxxxxxxxx
In-reply-to: <20070116015450.9764.52713.patchbomb.py@nate-64.agami.com>
Mail-followup-to: Christoph Hellwig <hch@xxxxxxxxxxxxx>, Nate Diller <nate@xxxxxxxxx>, Nate Diller <nate.diller@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxx>, Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>, Trond Myklebust <trond.myklebust@xxxxxxxxxx>, Benjamin LaHaise <bcrl@xxxxxxxxx>, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, Suparna Bhattacharya <suparna@xxxxxxxxxx>, Kenneth W Chen <kenneth.w.chen@xxxxxxxxx>, David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, ocfs2-devel@xxxxxxxxxxxxxx, linux-aio@xxxxxxxxx, xfs-masters@xxxxxxxxxxx
References: <20070116015450.9764.37697.patchbomb.py@nate-64.agami.com> <20070116015450.9764.52713.patchbomb.py@nate-64.agami.com>
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On Mon, Jan 15, 2007 at 05:54:50PM -0800, Nate Diller wrote:
> Convert code using iocb->ki_left to use the more generic iov_length() call. 

No way.  We need to reduce the numer of iovec traversals, not adding
more of them.
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