From: Alan <alan@lxorguk.ukuu.org.uk>
To: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Steven Scholz <steven.scholz@imc-berlin.de>, linux-ide@vger.kernel.org
Subject: Re: Impact of no_lba48{_dma} = 1 ?
Date: Wed, 7 Feb 2007 14:11:49 +0000 [thread overview]
Message-ID: <20070207141149.5c0c709b@localhost.localdomain> (raw)
In-Reply-To: <45C9D8F8.2000303@ru.mvista.com>
On Wed, 07 Feb 2007 16:49:44 +0300
Sergei Shtylyov <sshtylyov@ru.mvista.com> wrote:
> Hello.
>
> Alan wrote:
>
> >>>Only relevant for DMA really
>
> >>So rqsize is only needed for DMA accesses?
>
> Not really, it affects both PIO and DMA.
Yes but its not relevant. The question was about performance, and your
performance will suck equally with PIO regardless of the request size
limit.
Alan
next prev parent reply other threads:[~2007-02-07 13:58 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-07 9:56 Impact of no_lba48{_dma} = 1 ? Steven Scholz
2007-02-07 11:58 ` Alan
2007-02-07 13:25 ` Steven Scholz
2007-02-07 13:53 ` Alan
2007-02-07 13:49 ` Sergei Shtylyov
2007-02-07 14:11 ` Alan [this message]
2007-02-07 14:03 ` Steven Scholz
2007-02-07 14:19 ` Alan
2007-02-07 14:10 ` Sergei Shtylyov
2007-02-07 13:57 ` Steven Scholz
2007-02-07 14:09 ` Sergei Shtylyov
2007-02-07 14:16 ` Alan
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