Messages in this thread |  | | | Date | Wed, 19 May 2010 07:59:48 -0700 (PDT) | | From | Linus Torvalds <> | | Subject | Re: Unexpected splice "always copy" behavior observed |
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On Wed, 19 May 2010, Steven Rostedt wrote:
> On Wed, 2010-05-19 at 07:39 -0700, Linus Torvalds wrote: > > > The real limitation is likely always going to be the fact that it has to > > be page-aligned and a full page. For a lot of splice inputs, that simply > > won't be the case, and you'll end up copying for alignment reasons anyway. > > That's understandable. For the use cases of splice I use, I work to make > it page aligned and full pages. Anyone else using splice for > optimizations, should do the same. It only makes sense. > > The end of buffer may not be a full page, but then it's the end anyway, > and I'm not as interested in the speed.
Btw, since you apparently have a real case - is the "splice to file" always just an append? IOW, if I'm not right in assuming that the only sane thing people would reasonable care about is "append to a file", then holler now. Linus
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