File fragmentation

[Matt McCutchen]

On 8/25/06, Matt McCutchen <hashproduct+rsync at gmail.com> wrote:
> So rsync's configure script should check for posix_fallocate, and the receiver
> should call it just after opening each received file.  I might write a
> patch for this.

And attached is the patch.  Rob, would you please test it and see if
it reduces fragmentation?  After you apply the patch to a copy of
rsync, you must run autoconf, autoheader, and ./configure to make the
change to take effect.

Matt
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