Messages in this thread | | | Date | Fri, 2 Feb 2001 14:04:40 +0000 | From | "Stephen C. Tweedie" <> | Subject | Re: [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/
| |