linux-kernel - Re: [PATCH 4/5] ide: Add support for TRIM

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Message-ID: <49DCB3C9.9040809@rtr.ca>
Date:	Wed, 08 Apr 2009 10:25:13 -0400
From:	Mark Lord <liml@....ca>
To:	Markus Trippelsdorf <markus@...ppelsdorf.de>
Cc:	Mark Lord <liml@....ca>, Jeff Garzik <jeff@...zik.org>,
	Matthew Wilcox <willy@...ux.intel.com>,
	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	David Woodhouse <David.Woodhouse@...el.com>
Subject: Re: [PATCH 4/5] ide: Add support for TRIM

Markus Trippelsdorf wrote:
> ..
> The new firmware is out and looks promising:
> 
> ########## Begin SSD TRIM output ##########
> word21 bit10 = 1: support for the DATA SET MANAGEMENT is changeable.
> word169 bit0 = 1: device supports the Trim bit of DATA SET MANAGEMENT command.
>   word69 bit14 = 1: Trim function of the DATA SET MANAGEMENT command supports determinate behavior.
> ########## End SSD TRIM output ##########
> 
> This is the output from a modified hdparm, that checks the relevant bits. 
..

I'll release hdparm-9.14 shortly, with reporting for the TRIM feature in the -I output.

Cheers
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