On Wed, May 29, 2019 at 09:53:44AM -0700, Junio C Hamano wrote: > >> * ds/object-info-for-prefetch-fix (2019-05-28) 1 commit > >> - sha1-file: split OBJECT_INFO_FOR_PREFETCH > >> > >> Code cleanup. > >> > >> Will merge to 'next'. > > > > I think this one is actually a bug-fix (we are refusing to prefetch for > > "QUICK" calls even though was not the intent), and it is new in this > > release. > > > > I'm not sure of the user-visible impacts, though. There are a lot of > > QUICK calls, and I'm not sure for which ones it is important to fetch. > > Hmph. I took it as primarily futureproofing, as I didn't find a way > to trigger bad behaviour from within the current codebase. Hmm. Looking over the uses of OBJECT_INFO_QUICK, they all seem to be in either index-pack or as part of a fetch operation. And in both of those cases, we'd disable the whole feature anyway with fetch_if_missing. So I _think_ you are right, and there isn't a way to trigger it. -Peff
