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SubjectRe: [PATCH] barrier patch set
On Saturday 20 of March 2004 00:01, Matthias Andree wrote:
> On Fri, 19 Mar 2004, Jeff Garzik wrote:
> > - issue set-features command to get flush-cache into proper state
> > (enabled or disabled, as the user desires), if identify-device word 86
> > indicates it is not already in the state you seek.
> BTW, speaking of identify-device, hdparm -i (which uses
> HDIO_GET_IDENTITY) always returns "WriteCache=enabled" while hdparm -I
> that uses HDIO_DRIVE_CMD with WIN_PIDENTIFY reports the "correct" state
> that I've previously set with -W0. This is an i386 machine w/ 2.6.5-rc1.
> Is HDIO_GET_IDENTITY working correctly?

There were reports that on some drives you can't disable write cache
and even (?) that some drives lie (WC still enabled but marked as disabled).


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