Re: Patch for block write clustering

Rik van Riel (
Wed, 4 Mar 1998 18:09:56 +0100 (MET)

On Wed, 4 Mar 1998, Gadi Oxman wrote:

> Rik, note that IDE devices are not using a single request queue!

> In general, each major has its own request queue (IDE is using
> a different major for each interface). In 2.1.x, each IDE drive
> has its own request queue, even if it shares an interface with
> another drive.

Does this mean that, IDE too, doesn't use the systemwide
request queue anymore?
How are the IDE requests reordered? (disk combing etc).
Then, who _is_ still using the systemwide request queue,
and what partition schemes are used on those disks.

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