Subject: Re: disks cache [was Re: test of new powerdown facility ]
To: None <>
From: Manuel Bouyer <>
List: tech-kern
Date: 06/11/1998 16:48:20
On Jun 11, Perry E. Metzger wrote
> That statement makes me nervous.
> Do we, or don't we, know how to flush an IDE drive's cache?

The only thing we can find in the specs about cache flush is the "flush
cache" command, which is optional and ata-4 only.
So in the general case, we don't know how to flush the cache.

Manuel Bouyer, LIP6, Universite Paris VI.