Subject: Re: I/O priorities
To: Wojciech Puchar <wojtek@chylonia.3miasto.net>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: tech-kern
Date: 06/20/2002 16:05:40
On Thu, Jun 20, 2002 at 03:56:40PM +0200, Wojciech Puchar wrote:
> > > > seconds for dd if=/dev/zero to flush all of its buffers.
> > >
> > > seconds sound cool. but does it mean per-process queues???
> >
> > I don't think so.  Write ordering should be preserved, but if a process
> > tries to schedule a write when no buffers are available to it (but
> > would be available to other processes) then it would block.  A process
> > would need keep track of how many buffers it's using for I/O so that
> > it would know to block when it's using too many.  A buffer would need to
> 
> looks really simple.

When will you have patches available ?

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
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