linux-kernel - Re: [PATCH 2.6.22] Add LED trigger to libata core

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Date:	Mon, 19 Mar 2007 12:12:52 +0000
From:	Tony Vroon <chainsaw@...too.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	Tejun Heo <htejun@...il.com>, Jeff Garzik <jgarzik@...ox.com>,
	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2.6.22] Add LED trigger to libata core

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Alan Cox wrote:
> Gak. I'd rather it stayed out of ata_qc_issue() which is a critical path
> for performance. Our command issu is already too heavy and not all
> controllers have queueing to absorb that. How many controllers actually
> need this hook and can we not have ata_qc_issue_with_led() helpers for
> them ?
We're talking about just sata_svw (Apple K2) right now. I'll have a go
at implementing it conditionally like you suggested. Consider the
patch withdrawn for now.

Regards,
Tony V.
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