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SubjectRe: disk head scheduling
On Thu, 18 Mar 1999, Arvind Sankar wrote:

> Another point is that IN_ORDER seems to be called only for two requests
> on the same device, so no idea why it compares the device numbers.

It compares device numbers because of partitions on
one drive. It would be extremely bad for performance
when Linux would be hopping from partition to partition
without the aid of the elevator algorithm...

Rik -- Open Source: you deserve to be in control of your data.
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