Re: [patch] pipe: add support for shrinking and growing pipes

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On Mon, May 24 2010, Michael Kerrisk wrote:
> On Mon, May 24, 2010 at 7:35 PM, Jens Axboe <jens.axboe@xxxxxxxxxx> wrote:
> > On Mon, May 24 2010, Michael Kerrisk wrote:
> >> > Right, that looks like a thinko.
> >> >
> >> > I'll submit a patch changing it to bytes and the agreed API and fix this
> >> > -Eerror. Thanks for your comments and suggestions!
> >>
> >> Thanks. And of course you are welcome. (Please CC linux-api@vger on
> >> this patche (and all patches that change the API/ABI.)
> >
> > The first change is this:
> >
> > http://git.kernel.dk/?p=linux-2.6-block.git;a=commit;h=0191f8697bbdfefcd36e7b8dc3eeddfe82893e4b
> >
> > and the one dealing with the pages vs bytes API is this:
> >
> > http://git.kernel.dk/?p=linux-2.6-block.git;a=commit;h=b9598db3401282bb27b4aef77e3eee12015f7f29
> >
> > Not tested yet, will do so before sending in of course.
> 
> Eyeballing it quickly, these changes look right.

Good, thanks.

> Do you have some test programs you can make available?

Actually I don't, I test it by modifying fio's splice engine to set/get
the pipe size and test the resulting transfers.

-- 
Jens Axboe

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