RE: API for Disk head position

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Hi,

On modern computer hardware this is impossible to know now.
Most hard disk will do failing sector relocations so the same position
can actually exist anywhere on the disk.

	James

> -----Original Message-----
> From: kernelnewbies-bounce@xxxxxxxxxxxx [mailto:kernelnewbies-
> bounce@xxxxxxxxxxxx] On Behalf Of Libin Varghese
> Sent: 29 January 2006 22:52
> To: kernelnewbies@xxxxxxxxxxxx
> Subject: API for Disk head position
> 
> Hi all,
>     For most the Rotational Latency Reducing algorithms (SATF-Shortest
> Access Time First)
> <www.hpl.hp.com/research/ssp/papers/HPL-CSP-91-7rev1.pdf> we need to
> know the Disk Head Position. Is there an API to find this? Mostly this
> kind of API stuff most be given by the disk device driver. So does the
> Hard Disk Driver in Linux provide such an API?
> 
> Thanks for the information,
> Libin Varghese.
> 
> --
> Kernelnewbies: Help each other learn about the Linux kernel.
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Kernelnewbies: Help each other learn about the Linux kernel.
Archive:       http://mail.nl.linux.org/kernelnewbies/
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