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From: Ed Maste <emaste@freebsd.org>
Date: Thu, 2 Oct 2014 10:43:42 -0400
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Subject: Re: svn commit: r272384 - head/usr.bin/mkimg
To: Marcel Moolenaar <marcel@freebsd.org>
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On 1 October 2014 17:03, Marcel Moolenaar <marcel@freebsd.org> wrote:
>   Improve performance of mking(1) by keeping a list of "chunks" in memory,
>   that keeps track of a particular region of the image.

Nice work, thanks Marcel!

I've been using brooks' NO_ROOT support along with makefs / mkimg to
build and test changes by creating an image to boot in QEMU.  This
change provides a noticeable improvement in the cycle time.