From: Elijah Newren <newren@gmail.com>
To: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Cc: Elijah Newren via GitGitGadget <gitgitgadget@gmail.com>,
git@vger.kernel.org, Calvin Wan <calvinwan@google.com>,
Derrick Stolee <derrickstolee@github.com>,
Glen Choo <chooglen@google.com>
Subject: Re: [PATCH v2 12/22] tree-diff.c: move S_DIFFTREE_IFXMIN_NEQ define from cache.h
Date: Mon, 1 May 2023 22:00:14 -0700 [thread overview]
Message-ID: <CABPp-BHymt9COEjnTRTbg_vHa4s6-CL7Bh+9q0PfoiE0SRcRrg@mail.gmail.com> (raw)
In-Reply-To: <CABPp-BEPy4R1R1X1o1oMs6sEECVjEoLeRXripEi7k8ZO-CrbuA@mail.gmail.com>
On Mon, May 1, 2023 at 6:06 PM Elijah Newren <newren@gmail.com> wrote:
>
> On Mon, May 1, 2023 at 9:35 AM Ævar Arnfjörð Bjarmason <avarab@gmail.com> wrote:
> >
> > On Sat, Apr 22 2023, Elijah Newren via GitGitGadget wrote:
> [...]
> > > --- a/tree-diff.c
> > > +++ b/tree-diff.c
> > > @@ -6,6 +6,19 @@
> > > #include "diffcore.h"
> > > #include "tree.h"
> > >
> > > +/*
> > > + * Some mode bits are also used internally for computations.
> > > + *
> > > + * They *must* not overlap with any valid modes, and they *must* not be emitted
> > > + * to outside world - i.e. appear on disk or network. In other words, it's just
> > > + * temporary fields, which we internally use, but they have to stay in-house.
> > > + *
> > > + * ( such approach is valid, as standard S_IF* fits into 16 bits, and in Git
> > > + * codebase mode is `unsigned int` which is assumed to be at least 32 bits )
> > > + */
> > > +
> > > +#define S_DIFFTREE_IFXMIN_NEQ 0x80000000
> > > +
> > > /*
> > > * internal mode marker, saying a tree entry != entry of tp[imin]
> > > * (see ll_diff_tree_paths for what it means there)
> >
> > As it's only used in tree-diff.c, should this change not be instead
> > changing how we define S_IFXMIN_NEQ itself, and combining the two
> > comments seen here (the latter only partially, in the context).
> >
> > Not that this makes things worse or anything...
>
> Hmm, that makes sense; I'll make the tweak. Thanks for the suggestion.
Although maybe I'll have to do it in a follow-on series? Junio merged
the series to next today, so...I guess I'll just add it to my "header
cleanups" notes.
next prev parent reply other threads:[~2023-05-02 5:00 UTC|newest]
Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-16 3:03 [PATCH 00/23] Header cleanups (more splitting of cache.h and simplifying a few other deps) Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 01/23] treewide: be explicit about dependence on strbuf.h Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 02/23] symlinks.h: move declarations for symlinks.c functions from cache.h Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 03/23] protocol.h: move definition of DEFAULT_GIT_PORT " Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 04/23] packfile.h: move pack_window and pack_entry " Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 05/23] server-info.h: move declarations for server-info.c functions " Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 06/23] copy.h: move declarations for copy.c " Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 07/23] base85.h: move declarations for base85.c " Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 08/23] pkt-line.h: move declarations for pkt-line.c " Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 09/23] match-trees.h: move declarations for match-trees.c " Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 10/23] ws.h: move declarations for ws.c " Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 11/23] versioncmp.h: move declarations for versioncmp.c " Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 12/23] dir.h: move DTYPE defines " Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 13/23] tree-diff.c: move S_DIFFTREE_IFXMIN_NEQ define " Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 14/23] hash.h, repository.h: reverse the order of these dependencies Elijah Newren via GitGitGadget
2023-04-17 20:59 ` Derrick Stolee
2023-04-18 2:36 ` Elijah Newren
2023-04-18 23:29 ` Junio C Hamano
2023-04-20 5:06 ` Elijah Newren
2023-04-20 13:14 ` Derrick Stolee
2023-04-20 15:54 ` Junio C Hamano
2023-04-20 19:54 ` Glen Choo
2023-04-16 3:03 ` [PATCH 15/23] cache,tree: move cmp_cache_name_compare from tree.[ch] to read-cache.c Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 16/23] cache,tree: move basic name compare functions from read-cache to tree Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 17/23] treewide: remove cache.h inclusion due to previous changes Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 18/23] cache.h: remove unnecessary headers Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 19/23] fsmonitor: reduce includes of cache.h Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 20/23] commit.h: reduce unnecessary includes Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 21/23] object-store.h: " Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 22/23] diff.h: " Elijah Newren via GitGitGadget
2023-04-16 3:03 ` [PATCH 23/23] reftable: ensure git-compat-util.h is the first (indirect) include Elijah Newren via GitGitGadget
2023-04-17 21:07 ` [PATCH 00/23] Header cleanups (more splitting of cache.h and simplifying a few other deps) Derrick Stolee
2023-04-18 2:41 ` Elijah Newren
2023-04-22 20:17 ` [PATCH v2 00/22] " Elijah Newren via GitGitGadget
2023-04-22 20:17 ` [PATCH v2 01/22] treewide: be explicit about dependence on strbuf.h Elijah Newren via GitGitGadget
2023-04-22 20:17 ` [PATCH v2 02/22] symlinks.h: move declarations for symlinks.c functions from cache.h Elijah Newren via GitGitGadget
2023-04-22 20:17 ` [PATCH v2 03/22] packfile.h: move pack_window and pack_entry " Elijah Newren via GitGitGadget
2023-04-22 20:17 ` [PATCH v2 04/22] server-info.h: move declarations for server-info.c functions " Elijah Newren via GitGitGadget
2023-04-22 20:17 ` [PATCH v2 05/22] copy.h: move declarations for copy.c " Elijah Newren via GitGitGadget
2023-04-22 20:17 ` [PATCH v2 06/22] base85.h: move declarations for base85.c " Elijah Newren via GitGitGadget
2023-04-22 20:17 ` [PATCH v2 07/22] pkt-line.h: move declarations for pkt-line.c " Elijah Newren via GitGitGadget
2023-04-22 20:17 ` [PATCH v2 08/22] match-trees.h: move declarations for match-trees.c " Elijah Newren via GitGitGadget
2023-04-22 20:17 ` [PATCH v2 09/22] ws.h: move declarations for ws.c " Elijah Newren via GitGitGadget
2023-04-22 20:17 ` [PATCH v2 10/22] versioncmp.h: move declarations for versioncmp.c " Elijah Newren via GitGitGadget
2023-04-22 20:17 ` [PATCH v2 11/22] dir.h: move DTYPE defines " Elijah Newren via GitGitGadget
2023-04-22 20:17 ` [PATCH v2 12/22] tree-diff.c: move S_DIFFTREE_IFXMIN_NEQ define " Elijah Newren via GitGitGadget
2023-05-01 16:33 ` Ævar Arnfjörð Bjarmason
2023-05-01 16:46 ` Junio C Hamano
2023-05-02 1:06 ` Elijah Newren
2023-05-02 5:00 ` Elijah Newren [this message]
2023-05-02 15:56 ` Junio C Hamano
2023-05-02 15:59 ` Elijah Newren
2023-04-22 20:17 ` [PATCH v2 13/22] hash-ll.h: split out of hash.h to remove dependency on repository.h Elijah Newren via GitGitGadget
2023-04-24 18:51 ` Glen Choo
2023-04-26 3:54 ` Elijah Newren
2023-04-26 17:50 ` Glen Choo
2023-04-24 19:52 ` Junio C Hamano
2023-05-01 17:17 ` Ævar Arnfjörð Bjarmason
2023-05-02 2:53 ` Elijah Newren
2023-04-22 20:17 ` [PATCH v2 14/22] cache,tree: move cmp_cache_name_compare from tree.[ch] to read-cache.c Elijah Newren via GitGitGadget
2023-04-22 20:17 ` [PATCH v2 15/22] cache,tree: move basic name compare functions from read-cache to tree Elijah Newren via GitGitGadget
2023-04-22 20:17 ` [PATCH v2 16/22] treewide: remove cache.h inclusion due to previous changes Elijah Newren via GitGitGadget
2023-05-01 16:44 ` Ævar Arnfjörð Bjarmason
2023-05-02 1:25 ` Elijah Newren
2023-04-22 20:17 ` [PATCH v2 17/22] cache.h: remove unnecessary headers Elijah Newren via GitGitGadget
2023-05-01 16:49 ` Ævar Arnfjörð Bjarmason
2023-05-02 1:43 ` Elijah Newren
2023-04-22 20:17 ` [PATCH v2 18/22] fsmonitor: reduce includes of cache.h Elijah Newren via GitGitGadget
2023-04-22 20:17 ` [PATCH v2 19/22] commit.h: reduce unnecessary includes Elijah Newren via GitGitGadget
2023-05-01 16:52 ` Ævar Arnfjörð Bjarmason
2023-05-02 1:53 ` Elijah Newren
2023-04-22 20:17 ` [PATCH v2 20/22] object-store.h: " Elijah Newren via GitGitGadget
2023-05-01 17:00 ` Ævar Arnfjörð Bjarmason
2023-05-02 2:28 ` Elijah Newren
2023-04-22 20:17 ` [PATCH v2 21/22] diff.h: " Elijah Newren via GitGitGadget
2023-05-01 17:11 ` Ævar Arnfjörð Bjarmason
2023-04-22 20:17 ` [PATCH v2 22/22] reftable: ensure git-compat-util.h is the first (indirect) include Elijah Newren via GitGitGadget
2023-04-24 15:19 ` [PATCH v2 00/22] Header cleanups (more splitting of cache.h and simplifying a few other deps) Derrick Stolee
2023-04-24 19:49 ` Junio C Hamano
2023-04-26 17:54 ` Glen Choo
2023-04-26 18:14 ` Junio C Hamano
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