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From: Kyle Evans <kevans@freebsd.org>
Date: Tue, 24 Jul 2018 22:10:33 -0500
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Subject: Re: svn commit: r336696 - projects/bectl/lib/libbe
To: Kyle Evans <kevans@freebsd.org>
Cc: src-committers <src-committers@freebsd.org>, svn-src-projects@freebsd.org
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On Tue, Jul 24, 2018 at 10:08 PM, Kyle Evans <kevans@freebsd.org> wrote:
> Author: kevans
> Date: Wed Jul 25 03:08:11 2018
> New Revision: 336696
> URL: https://svnweb.freebsd.org/changeset/base/336696
>
> Log:
>   libbe(3): Disambiguate 'active' a little bit, add 'bootfs'
>
>   - Rename 'active' to 'rootfs', which is used in other places to describe the
>   currently booted (or about to be booted) BE.
>
>   - Add 'bootfs', which indicates the next boot environment to be booted. This
>     is pulled from the BOOTFS zpool property.
>
>   - Go ahead and keep an open handle to the active zpool. We might need to
>     enumerate datasets, get properties, and set properties (e.g. bootfs)
>     throughout other libbe bits, and a single handle isn't overly expensive.

Subtract "enumerate datasets" from that list... that doesn't require a
zpool handle. This does reduce redundancy in pulling out pool names to
exactly one place we do this, and we'll clean this stuff up more
later.