From: Derrick Stolee <stolee@gmail.com>
To: Kristofer Karlsson via GitGitGadget <gitgitgadget@gmail.com>,
git@vger.kernel.org
Cc: Elijah Newren <newren@gmail.com>, Kristofer Karlsson <krka@spotify.com>
Subject: Re: [PATCH v4 8/8] commit-reach: move min_generation check into paint_queue_get()
Date: Sun, 28 Jun 2026 11:15:35 -0400 [thread overview]
Message-ID: <f77c0834-a001-400d-a8b8-a1e2398bf574@gmail.com> (raw)
In-Reply-To: <8dd15d44e6a60fc39bbf6d894628507e839f9248.1782649547.git.gitgitgadget@gmail.com>
On 6/28/26 8:25 AM, Kristofer Karlsson via GitGitGadget wrote:
> From: Kristofer Karlsson <krka@spotify.com>
...> @@ -138,11 +140,23 @@ static void paint_queue_put(struct paint_state *state,
> static struct commit *paint_queue_get(struct paint_state *state)
> {
> struct commit *commit = prio_queue_get(&state->queue);
> + timestamp_t generation;
>
> if (!commit)
> return NULL;
>
> commit->object.flags &= ~ENQUEUED;
> + generation = commit_graph_generation(commit);
> +
> + if (state->min_generation && generation > state->last_gen)
> + BUG("bad generation skip %"PRItime" > %"PRItime" at %s",
> + generation, state->last_gen,
> + oid_to_hex(&commit->object.oid));
> + state->last_gen = generation;
> +
> + /* generation cutoff */
> + if (generation < state->min_generation)
> + return NULL;
...
> - if (min_generation && generation > last_gen)
> - BUG("bad generation skip %"PRItime" > %"PRItime" at %s",
> - generation, last_gen,
> - oid_to_hex(&commit->object.oid));
> - last_gen = generation;
> -
> - if (generation < min_generation)
> - break;
I'm just stopping in to say that this looks like a clean code move
in this version, without mutating this chunk in the previous patch.
LGTM.
-Stolee
next prev parent reply other threads:[~2026-06-28 15:15 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-20 10:36 [PATCH/RFC 0/6] commit-reach: terminate merge-base walk when one side is exhausted Kristofer Karlsson via GitGitGadget
2026-06-20 10:36 ` [PATCH/RFC 1/6] commit-reach: decouple ahead_behind from nonstale_queue Kristofer Karlsson via GitGitGadget
2026-06-22 18:00 ` Derrick Stolee
2026-06-22 18:53 ` Kristofer Karlsson
2026-06-20 10:36 ` [PATCH/RFC 2/6] commit-reach: introduce struct paint_queue with per-side counters Kristofer Karlsson via GitGitGadget
2026-06-22 18:10 ` Derrick Stolee
2026-06-22 19:14 ` Kristofer Karlsson
2026-06-22 20:23 ` Derrick Stolee
2026-06-23 10:13 ` Kristofer Karlsson
2026-06-23 13:50 ` Derrick Stolee
2026-06-23 14:09 ` Kristofer Karlsson
2026-06-23 14:17 ` Derrick Stolee
2026-06-24 11:25 ` Kristofer Karlsson
2026-06-20 10:36 ` [PATCH/RFC 3/6] commit-reach: terminate merge-base walk when one paint side is exhausted Kristofer Karlsson via GitGitGadget
2026-06-22 18:12 ` Derrick Stolee
2026-06-22 19:19 ` Kristofer Karlsson
2026-06-22 20:26 ` Derrick Stolee
2026-06-22 21:03 ` Kristofer Karlsson
2026-06-23 13:40 ` Derrick Stolee
2026-06-20 10:36 ` [PATCH/RFC 4/6] t6600: add test cases for side-exhaustion edge cases Elijah Newren via GitGitGadget
2026-06-22 18:15 ` Derrick Stolee
2026-06-22 19:25 ` Kristofer Karlsson
2026-06-22 20:28 ` Derrick Stolee
2026-06-20 10:36 ` [PATCH/RFC 5/6] t6099, t6600: add side-exhaustion regression tests Kristofer Karlsson via GitGitGadget
2026-06-22 18:16 ` Derrick Stolee
2026-06-20 10:36 ` [PATCH/RFC 6/6] Documentation/technical: add paint-down-to-common doc Kristofer Karlsson via GitGitGadget
2026-06-22 18:21 ` Derrick Stolee
2026-06-22 19:30 ` Kristofer Karlsson
2026-06-22 18:22 ` [PATCH/RFC 0/6] commit-reach: terminate merge-base walk when one side is exhausted Derrick Stolee
2026-06-24 12:14 ` [PATCH v2 0/7] " Kristofer Karlsson via GitGitGadget
2026-06-24 12:14 ` [PATCH v2 1/7] Documentation/technical: add paint-down-to-common doc Kristofer Karlsson via GitGitGadget
2026-06-24 17:09 ` Junio C Hamano
2026-06-24 12:14 ` [PATCH v2 2/7] t6600: add test cases for side-exhaustion edge cases Elijah Newren via GitGitGadget
2026-06-24 13:43 ` Derrick Stolee
2026-06-24 14:33 ` Kristofer Karlsson
2026-06-24 12:14 ` [PATCH v2 3/7] t6099, t6600: add side-exhaustion regression tests Kristofer Karlsson via GitGitGadget
2026-06-24 12:14 ` [PATCH v2 4/7] commit-reach: add trace2 instrumentation to paint_down_to_common() Kristofer Karlsson via GitGitGadget
2026-06-24 13:41 ` Derrick Stolee
2026-06-24 14:31 ` Kristofer Karlsson
2026-06-24 12:14 ` [PATCH v2 5/7] commit-reach: introduce struct paint_state with per-side counters Kristofer Karlsson via GitGitGadget
2026-06-24 13:54 ` Derrick Stolee
2026-06-24 14:38 ` Kristofer Karlsson
2026-06-24 12:14 ` [PATCH v2 6/7] commit-reach: remove unused nonstale_queue dedup wrappers Kristofer Karlsson via GitGitGadget
2026-06-24 13:55 ` Derrick Stolee
2026-06-24 12:14 ` [PATCH v2 7/7] commit-reach: terminate merge-base walk when one paint side is exhausted Kristofer Karlsson via GitGitGadget
2026-06-24 14:02 ` Derrick Stolee
2026-06-24 14:47 ` Kristofer Karlsson
2026-06-24 15:07 ` Derrick Stolee
2026-06-24 13:34 ` [PATCH v2 0/7] commit-reach: terminate merge-base walk when one " Derrick Stolee
2026-06-24 14:25 ` Kristofer Karlsson
2026-06-24 14:09 ` Derrick Stolee
2026-06-26 13:07 ` [PATCH v3 0/8] " Kristofer Karlsson via GitGitGadget
2026-06-26 13:07 ` [PATCH v3 1/8] Documentation/technical: add paint-down-to-common doc Kristofer Karlsson via GitGitGadget
2026-06-26 13:07 ` [PATCH v3 2/8] t6600: add test cases for side-exhaustion edge cases Elijah Newren via GitGitGadget
2026-06-26 13:08 ` [PATCH v3 3/8] t6099, t6600: add side-exhaustion regression tests Kristofer Karlsson via GitGitGadget
2026-06-26 13:08 ` [PATCH v3 4/8] commit-reach: add trace2 instrumentation to paint_down_to_common() Kristofer Karlsson via GitGitGadget
2026-06-26 14:31 ` Derrick Stolee
2026-06-26 14:35 ` Kristofer Karlsson
2026-06-26 13:08 ` [PATCH v3 5/8] commit-reach: introduce struct paint_state with per-side counters Kristofer Karlsson via GitGitGadget
2026-06-26 21:13 ` René Scharfe
2026-06-26 21:57 ` Kristofer Karlsson
2026-06-26 13:08 ` [PATCH v3 6/8] commit-reach: remove unused nonstale_queue dedup wrappers Kristofer Karlsson via GitGitGadget
2026-06-26 13:08 ` [PATCH v3 7/8] commit-reach: terminate merge-base walk when one paint side is exhausted Kristofer Karlsson via GitGitGadget
2026-06-26 14:29 ` Kristofer Karlsson
2026-06-26 14:32 ` Derrick Stolee
2026-06-26 16:41 ` Kristofer Karlsson
2026-06-26 14:35 ` Derrick Stolee
2026-06-26 14:39 ` Kristofer Karlsson
2026-06-26 13:08 ` [PATCH v3 8/8] commit-reach: move min_generation check into paint_queue_get() Kristofer Karlsson via GitGitGadget
2026-06-26 14:42 ` Derrick Stolee
2026-06-26 14:53 ` Kristofer Karlsson
2026-06-26 14:58 ` Derrick Stolee
2026-06-26 16:36 ` [PATCH v3 0/8] commit-reach: terminate merge-base walk when one side is exhausted Junio C Hamano
2026-06-26 16:43 ` Kristofer Karlsson
2026-06-26 18:43 ` Junio C Hamano
2026-06-28 12:25 ` [PATCH v4 " Kristofer Karlsson via GitGitGadget
2026-06-28 12:25 ` [PATCH v4 1/8] Documentation/technical: add paint-down-to-common doc Kristofer Karlsson via GitGitGadget
2026-06-28 12:25 ` [PATCH v4 2/8] t6600: add test cases for side-exhaustion edge cases Elijah Newren via GitGitGadget
2026-06-28 12:25 ` [PATCH v4 3/8] t6099, t6600: add side-exhaustion regression tests Kristofer Karlsson via GitGitGadget
2026-06-28 12:25 ` [PATCH v4 4/8] commit-reach: add trace2 instrumentation to paint_down_to_common() Kristofer Karlsson via GitGitGadget
2026-06-28 12:25 ` [PATCH v4 5/8] commit-reach: introduce struct paint_state with per-side counters Kristofer Karlsson via GitGitGadget
2026-06-28 12:25 ` [PATCH v4 6/8] commit-reach: remove unused nonstale_queue dedup wrappers Kristofer Karlsson via GitGitGadget
2026-06-28 12:25 ` [PATCH v4 7/8] commit-reach: terminate merge-base walk when one paint side is exhausted Kristofer Karlsson via GitGitGadget
2026-06-28 12:25 ` [PATCH v4 8/8] commit-reach: move min_generation check into paint_queue_get() Kristofer Karlsson via GitGitGadget
2026-06-28 15:15 ` Derrick Stolee [this message]
2026-06-28 15:16 ` [PATCH v4 0/8] commit-reach: terminate merge-base walk when one side is exhausted Derrick Stolee
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=f77c0834-a001-400d-a8b8-a1e2398bf574@gmail.com \
--to=stolee@gmail.com \
--cc=git@vger.kernel.org \
--cc=gitgitgadget@gmail.com \
--cc=krka@spotify.com \
--cc=newren@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox