cvs commit: src/sys/dev/ata ata-all.c ata-all.h ata-chipset.cata-dma.c ata-pci.c ata-pci.h

[Wilko Bulte]

On Tue, Apr 08, 2003 at 10:23:08PM +0200, Ollivier Robert wrote:
> According to Poul-Henning Kamp:
> >    Tagged queueing:
> > 	Ability to reduce transaction latency by sending more than one
> > 	request to the drive at a time.  The request may be handled out
> > 	of order by the drive.
> > 	(A good thing!)
> 
> Except for softupdates which rely on its own ordering of writes...

SCSI has a Force Media Access bit somewhere that is supposed to ensure the
written data has indeed hit the platter. ENOCLUE on ATA.

-- 
|   / o / /_  _   		wilko at FreeBSD.org
|/|/ / / /(  (_)  Bulte