linux-kernel - Re: hdparm for lib

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Message-ID: <45C773D6.3010009@rtr.ca>
Date:	Mon, 05 Feb 2007 13:13:42 -0500
From:	Mark Lord <lkml@....ca>
To:	Patrick Ale <patrick.ale@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: hdparm for lib_pata

Patrick Ale wrote:
> Hi guys,
> 
> Me again, sorry.
> 
> Is it possible to make hdparm work with libata?

It already works fine with libata.
..
> Anyway, I used to be able to force the drive back with using hdparm
> -X68 -d 1 /dev/sdk

Userspace PIO mode changes are NOT a good idea,
and I doubt that libata would want to support that feature.
The "-d" flag (enable/disable DMA) is currently not implemented
by libata, though there may be a /sys/.. attribute for it (?).

Cheers
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