RFC: Changing default filesystem parameters for power management reasons

Matthew Garrett mjg at redhat.com
Fri Nov 28 13:18:16 UTC 2008

On Fri, Nov 28, 2008 at 12:33:53PM +0000, David Woodhouse wrote:
> On Thu, 2008-11-27 at 16:44 +0000, Matthew Garrett wrote:
> > It would be nice to have the kernel export disk access via a socket or 
> > something rather than the currently available debug option, which is to 
> > dump to dmesg which then triggers log writes which triggers more 
> > messages and fail occurs.
> Does blktrace trigger log writes?

I was thinking of the vm_dump interface - I'd never noticed blktrace, 
which looks pretty much ideal. Now we just need a user-friendly 

Matthew Garrett | mjg59 at srcf.ucam.org

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