Re: [PATCH] barrier patch set

[Jeff Garzik]

Bartlomiej Zolnierkiewicz wrote:
> The fact that spec says "supported" not "enabled" in description of word86
> makes me wonder - can they be disabled? (FLUSH CACHE is mandatory for General
> feature set and FLUSH CACHE EXT is mandatory if 48-bit LBA is supported)

IOW, "mandantory" isn't really mandantory, if you scale over time... 
Always check the identify-device feature bits before using a feature set :)

	Jeff



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