From: Jeff Garzik <jgarzik@pobox.com>
To: Mark Lord <lkml@rtr.ca>
Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>,
Linux Kernel <linux-kernel@vger.kernel.org>,
"linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>
Subject: Re: new tool: blktool
Date: Thu, 19 Aug 2004 13:50:17 -0400 [thread overview]
Message-ID: <4124E859.5090303@pobox.com> (raw)
In-Reply-To: <4124E701.5020905@rtr.ca>
Mark Lord wrote:
> But there'll need to be some overlap between the old and new,
> and currently the libata driver has no way for smartmontools
> or hdparm to communicate and control drive features like
> the cache/readahead settings, and the various SMART capabilities.
Supporting the ATA Pass-through CDB in libata will enable support for
all of those things. I think we all agree that there needs to be _some_
way of letting userspace control these attributes via direct ATA command
submission.
As an aside, although libata _will_ support some sort of user ATA
command execution method, some of these attributes are (or will be soon)
available through standard SCSI methods.
For example, MODE SENSE/MODE SELECT on the caching mode page allows one
to toggle read-ahead and writeback caching.
blktool supports both methods :)
Jeff
next prev parent reply other threads:[~2004-08-19 17:50 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-15 21:36 new tool: blktool Jeff Garzik
2004-08-15 20:55 ` Alan Cox
2004-08-15 22:07 ` Jeff Garzik
2004-08-15 22:18 ` David Ford
2004-08-15 22:22 ` Anton Starikov
2004-08-15 22:40 ` Jeff Garzik
2004-08-15 23:00 ` Anton Starikov
2004-08-15 23:27 ` Mark Lord
2004-08-15 23:34 ` Mark Lord
2004-08-15 23:44 ` Jeff Garzik
2004-08-15 23:36 ` Jeff Garzik
2004-08-16 2:36 ` Mark Lord
2004-08-16 16:53 ` Jeff Garzik
2004-08-19 15:03 ` Mark Lord
2004-08-19 15:51 ` Bartlomiej Zolnierkiewicz
2004-08-19 17:44 ` Mark Lord
2004-08-19 17:50 ` Jeff Garzik [this message]
2004-08-19 17:57 ` Jeff Garzik
2004-08-19 18:01 ` Mark Lord
2004-08-19 18:04 ` Mark Lord
2004-08-19 18:12 ` Jeff Garzik
2004-08-19 18:42 ` Mark Lord
[not found] <2tATw-7md-25@gated-at.bofh.it>
[not found] ` <2tCLz-dp-3@gated-at.bofh.it>
2004-08-15 23:54 ` Andi Kleen
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