lkml.org 
[lkml]   [2001]   [Feb]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [Kiobuf-io-devel] RFC: Kernel mechanism: Compound event wait /notify + callback chains
Hi,

On Fri, Feb 02, 2001 at 12:51:35PM +0100, Christoph Hellwig wrote:
> >
> > If I have a page vector with a single offset/length pair, I can build
> > a new header with the same vector and modified offset/length to split
> > the vector in two without copying it.
>
> You just say in the higher-level structure ignore from x to y even if
> they have an offset in their own vector.

Exactly --- and so you end up with something _much_ uglier, because
you end up with all sorts of combinations of length/offset fields all
over the place.

This is _precisely_ the mess I want to avoid.

Cheers,
Stephen
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:28    [W:0.135 / U:1.360 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site