Re: [PATCH] barrier patch set

[Jeff Garzik]

Bartlomiej Zolnierkiewicz wrote:
> Yep but in your original mail you suggested that we should explicitly enable
> FLUSH CACHE and FLUSH CACHE EXT features - there are even no subcommands
> to do this.  ;-)

Whoops, you're right.  I was thinking about the general protocol for 
features.


> I wish it was so simple.  Here is an example to make it clear:
>
> model: WDC WD800JB-00CRA1 firmware: 17.07W77
> word 0x83 is 4b01, word 0x86 is 0x0801
>
> and drive of course supports CACHE FLUSH command.

What ATA revision?

Sending down opcodes because they will "probably" work isn't the best 
idea in the world...

	Jeff



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