On Mon, Sep 18, 2017 at 04:17:24PM -0700, Jonathan Nieder wrote:

> phionah bugosi wrote:
> 
> > Just to reecho a previous change requested before in one of the mail
> > threads, we currently have two global variables declared:
> >
> > struct mru packed_git_mru_storage;
> > struct mru *packed_git_mru = &packed_git_mru_storage;
> >
> > We normally use pointers in C to point or refer to the same location
> > or space in memory from multiple places. That means in situations
> > where we will have the pointer be assigned to in many places in our
> > code. But in this case, we do not have any other logic refering or
> > assigning to the pointer packed_git_mru. In simple words we actually
> > dont need a pointer in this case.
> >
> > Therefore this patch makes packed_git_mru global a value instead of
> > a pointer and makes use of list.h
> >
> > Signed-off-by: phionah bugosi <bugo...@gmail.com>
> > ---
> >  builtin/pack-objects.c |  5 +++--
> >  cache.h                |  7 -------
> >  list.h                 |  6 ++++++
> >  packfile.c             | 12 ++++++------
> >  4 files changed, 15 insertions(+), 15 deletions(-)
> 
> *puzzled* This appears to already be in "pu", with a different author.
> Did you independently make the same change?  Or are you asking for a
> progress report on that change, and just phrasing it in a confusing
> way?

I pointed Phionah at your #leftoverbits comment in:

  
https://public-inbox.org/git/20170912172839.gb144...@aiede.mtv.corp.google.com/

about moving packed_git_mru to list.h. But I'm afraid I wasn't very
clear in giving further guidance.

The goal is to build on _top_ of the patch in that message, and convert
the doubly-linked list implementation used in "struct mru" to use the
shared code in list.h. That should mostly involve touching mru.c and
mru.h, though I think we'd need to tweak the name of the "next" pointer
during the traversal, too.

-Peff

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