[PATCH v2 1/2] memtx: rework background garbage collection procedure

[Vladimir Davydov]

On Wed, May 23, 2018 at 08:56:55PM +0300, Konstantin Osipov wrote:
> * Vladimir Davydov <vdavydov.dev at gmail.com> [18/05/22 20:29]:
> >  {
> > -	index_def_delete(index->def);
> > +	/*
> > +	 * Free index_def after destroying the index as
> > +	 * engine might still need it.
> > +	 */
> 
> For what? 

In this patch I rewrote the code of memtx tree/hash destruction so that
now they check if they are dealing with a primary index explicitly, i.e.
via index->def->iid, see memtx_{hash,tree}_index_destroy. I think it's
easier for understanding. I'll update the comment to reflect this.

> 
> > +	struct index_def *def = index->def;
> >  	index->vtab->destroy(index);
> > +	index_def_delete(def);
> >  }
>   
> OK to push.