Re: [Kiobuf-io-devel] RFC: Kernel mechanism: Compound event wait /notify + callback chains

From: Stephen C. Tweedie (
Date: Thu Feb 01 2001 - 11:16:15 EST


On Thu, Feb 01, 2001 at 04:09:53PM +0100, Christoph Hellwig wrote:
> On Thu, Feb 01, 2001 at 08:14:58PM +0530, wrote:
> >
> > That would require the vfs interfaces themselves (address space
> > readpage/writepage ops) to take kiobufs as arguments, instead of struct
> > page * . That's not the case right now, is it ?
> No, and with the current kiobufs it would not make sense, because they
> are to heavy-weight.

Really? In what way?

> With page,length,offsett iobufs this makes sense
> and is IMHO the way to go.

What, you mean adding *extra* stuff to the heavyweight kiobuf makes it
lean enough to do the job??

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