Re: Linux 2.6.29

Christoph Hellwig
2009-03-29T08:27:38Z

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.