[PATCH 2/6] engine: pass vclock instead of lsn to collect_garbage callback

[Konstantin Osipov]

* Vladimir Davydov <vdavydov.dev at gmail.com> [18/11/26 10:27]:
> First, this is consistent with other engine callbacks, such as
> checkpoint or backup.
> 
> Second, a vclock can be used as a search key in a vclock set,
> which in turn can make code more straightforward, e.g. look how
> this patch simplifies vy_log_prev_checkpoint().

OK to push.


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Konstantin Osipov, Moscow, Russia, +7 903 626 22 32
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