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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: "Dr. David Alan Gilbert" <gilbertd@treblig.org>
Cc: Chuck Ebbert <76306.1226@compuserve.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Benefits from computing physical IDE disk geometry?
Date: 13 Apr 2003 23:14:49 +0100	[thread overview]
Message-ID: <1050272088.24564.2.camel@dhcp22.swansea.linux.org.uk> (raw)
In-Reply-To: <20030413182405.GG676@gallifrey>

On Sul, 2003-04-13 at 19:24, Dr. David Alan Gilbert wrote:
> Now given these discs have processors on board isn't it about time
> someone improved the disc interface standards to push some of the
> intelligence drivewards?  I guess with enough intelligence the drive
> could do free block allocation and could do things like copying blocks
> around for you.

I wish it would. Most of the research and stuff so far has either put
the file system into the disk firmware (upgrade hell). Having a disk
which talked entirely about

	read(handle,offset, length)
	write(handle, offset, length)
	alloc(handle, near_handle, length, otherhints...)

might well work out rather better. It also allows the disk to do fairly
major relayout of data as it learns usage.


  parent reply	other threads:[~2003-04-13 23:04 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-13 18:03 Benefits from computing physical IDE disk geometry? Chuck Ebbert
2003-04-13 18:24 ` Dr. David Alan Gilbert
2003-04-13 18:32   ` Lars Marowsky-Bree
2003-04-13 18:51     ` Dr. David Alan Gilbert
2003-04-13 22:14   ` Alan Cox [this message]
2003-04-14  0:17     ` Andreas Dilger
2003-04-13 22:15 ` Alan Cox
2003-04-14  3:58   ` Nick Piggin
  -- strict thread matches above, loose matches on Subject: below --
2003-04-16 13:28 Chuck Ebbert
2003-04-16 23:06 ` Nick Piggin
2003-04-15 18:33 Chuck Ebbert
2003-04-16  1:16 ` Nick Piggin
2003-04-16  1:59   ` Nick Piggin
2003-04-15  1:19 Chuck Ebbert
2003-04-15  8:28 ` Nick Piggin
2003-04-14 21:27 Chuck Ebbert
2003-04-15  0:03 ` Nick Piggin
2003-04-14  3:44 Chuck Ebbert
2003-04-14  2:29 Chuck Ebbert
2003-04-13 22:13 Chuck Ebbert
2003-04-13 23:38 ` Andreas Dilger
2003-04-12 22:46 Timothy Miller
2003-04-13  9:51 ` John Bradford
2003-04-13 11:50 ` Nick Piggin
2003-04-13 15:25   ` Timothy Miller
2003-04-14  3:52     ` Nick Piggin
2003-04-14  6:44       ` Mark Hahn
2003-04-14 13:28         ` Nick Piggin
2003-04-13 14:29 ` Alan Cox
2003-04-13 16:15   ` John Bradford
2003-04-18 13:01     ` Helge Hafting
2003-04-18 13:25       ` John Bradford
2003-04-14 18:27 ` Wes Felter

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