[PATCH 3 of 3] revlog-sparse-read: add a lower-threshold for read block size

[Augie Fackler]

On Mon, Oct 16, 2017 at 06:35:50PM +0200, Paul Morelle wrote:
> # HG changeset patch
> # User Paul Morelle <paul.morelle at octobus.net>
> # Date 1507993541 -7200
> #      Sat Oct 14 17:05:41 2017 +0200
> # Node ID cac7666538643b087500c09c757a1b5f28421fbb
> # Parent  fd6ea10467600ccdfc9f3491ad95da5cdb5b840d
> # EXP-Topic optimized-read
> # Available At https://bitbucket.org/octobus/mercurial-devel/
> #              hg pull https://bitbucket.org/octobus/mercurial-devel/ -r cac766653864
> revlog-sparse-read: add a lower-threshold for read block size

queued, thanks

I'm a little nervous about bugs in this area, but it seems simple
enough and is behind a config knob so it's easy for us to drop the
whole feature in 4.4.1 if it causes problems.