Re: Linux 2.6.29

[Christoph Hellwig]

On Fri, Mar 27, 2009 at 04:38:35PM -0400, Jeff Garzik wrote:
> At the very least, IMO the block layer should be able to notice when  
> barriers need not be translated into cache flushes.  Most notably when  
> wb cache is disabled on the drive, something easy to auto-detect, but  
> probably a manual switch also, for people with enterprise battery-backed  
> storage and such.

Yeah, that's why I suggested to have the tuning knob in the block layer
and not in the fses when this came up last time.

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