Re: [rfc patch 3/4] splice: remove confirm frompipe_buf_operations

[Linus Torvalds]

On Tue, 24 Jun 2008, Miklos Szeredi wrote:
> 
> OK.  But currently we have an implementation that
> 
>  1) doesn't do any of this, unless readahead is disabled

Sure. But removing even the conceptual support? Not a good idea.

> And in addition, splice-in and splice-out can return a short count or
> even zero count if the filesystem invalidates the cached pages during
> the splicing (data became stale for example).  Are these the right
> semantics?  I'm not sure.

What does that really have with splice() and removing the features? Why 
don't you just fix that issue? 

		Linus
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