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SubjectRe: splice blocks indefinitely when len > 64k?
While it should not simply hang, the splice size needs to be an even 
multiple of the page size.

Daniel Drake wrote:
> Hi,
> I'm experimenting with splice and have run into some unusual behaviour.
> I am using the utilities in git://
> In splice.h, when changing SPLICE_SIZE from:
> #define SPLICE_SIZE (64*1024)
> to
> #define SPLICE_SIZE ((64*1024)+1)
> splice-cp hangs indefinitely when copying files sized 65537 bytes or
> more. It hangs on the first splice() call.
> Is this a bug? I'd like to be able to copy much more than 64kb on a
> single splice call.
> Thanks!
> Daniel

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