linux-kernel - Re: fadvise+sync_file_range Vs O

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Date:	Wed, 4 Apr 2007 16:12:11 +0530
From:	"Ameya Mitragotri" <ameya.mitragotri@...il.com>
To:	"Phillip Susi" <psusi@....rr.com>
Cc:	linux-kernel@...r.kernel.org, suparna@...ibm.com, pbadari@...il.com
Subject: Re: fadvise+sync_file_range Vs O_DIRECT

On 4/4/07, Phillip Susi <psusi@....rr.com> wrote:
> Ameya Mitragotri wrote:
> > Hello,
> > I am doing some benchmarking on writes to the hdd from a simple
> > application (attached).
> > Im benchmarking the writes using the following
> > - write with O_DIRECT
> > - write with fadvise + O_SYNC
> > - write with fadvise + sync_file_range
>
> Did you use overlapped aio with O_DIRECT or just send down one request
> at a time?

The app sends the requests one at a time

Thanks
Ameya
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