On Tue, 24 Apr 2018 11:42:33 -0700 Brandon Williams <bmwill@xxxxxxxxxx> wrote: > On 04/24, Jonathan Tan wrote: > > On Mon, 23 Apr 2018 16:43:27 -0700 > > Stefan Beller <sbeller@xxxxxxxxxx> wrote: > > > > > This involves also adapting sha1_object_info_extended and a some > > > internal functions that are used to implement these. It all has to > > > happen in one patch, because of a single recursive chain of calls visits > > > all these functions. > > > > In packfile.c, unpack_entry() invokes get_delta_base_cache_entry(), > > which references a global (delta_base_cache). Does delta_base_cache need > > to be moved to the repo object (or object store object) first, or is > > this safe? > > After looking at this, I think it should be safe for now since its a > cache that requires a packed_git pointer to access (and those would be > per repository). We may want to move it in to the repository at some > point though. Thanks for the pointer. I see that a packed_git pointer is part of the key to that hashmap, so this is indeed safe. (Probably worth discussing this in the commit message.) There is another global, delta_base_cached, but it just limits the total size of the hashmap, so it's safe to use that too.
