From patchwork Sun Aug 9 02:53:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Jean-No=C3=ABl_Avila_via_GitGitGadget?= X-Patchwork-Id: 11706489 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 109ED14B7 for ; Sun, 9 Aug 2020 02:54:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E092A206D8 for ; Sun, 9 Aug 2020 02:54:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ur35OWu4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726398AbgHICyF (ORCPT ); Sat, 8 Aug 2020 22:54:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40448 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726212AbgHICx5 (ORCPT ); Sat, 8 Aug 2020 22:53:57 -0400 Received: from mail-wr1-x442.google.com (mail-wr1-x442.google.com [IPv6:2a00:1450:4864:20::442]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1FED5C061A2A for ; Sat, 8 Aug 2020 19:53:57 -0700 (PDT) Received: by mail-wr1-x442.google.com with SMTP id l2so5046671wrc.7 for ; Sat, 08 Aug 2020 19:53:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=message-id:in-reply-to:references:from:date:subject:fcc :content-transfer-encoding:mime-version:to:cc; bh=4ArW47UXhDWLACISWKffd9HxQQpBFINq7O/wlB4NeZ4=; b=ur35OWu4T4jqXyfZUJhi97XnRr+u//Y41J5a+Gfe61w6iHgii9UiQQk2+4UyWWaEfG oSLHt7xdgl+/8mXjKYCeR9rO+gj7KXH8IGi+LQHQLeOOYt51wohgyrnWmM4mLV4z4WG4 th9/1jtV5Zg1AyfRFG2x8dTGIKvWa/klxORA0wMTDSsKlNk/lR5hGmdcf2QEsTX3NPZi L9SvJ9+24PSh+JBUVclwt9oSrjxD/g/FbcvLmrsYzMiVIa5AvLlkOM8Iv7n5RfMiUCMq XVjbHbTPA08aVWVTUYzyW1z7bTnEpiqzBMLTDPj6zogBpm3j7cZaXDvkwj92xyayVgCf FjRQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:in-reply-to:references:from:date :subject:fcc:content-transfer-encoding:mime-version:to:cc; bh=4ArW47UXhDWLACISWKffd9HxQQpBFINq7O/wlB4NeZ4=; b=LOWLMbW9U+tl4YMbJQRzsKmbLHFYxZKQz8SnmFISdETNGxv9Vg9RD7URDAm5LnRWW1 PJR1FHLLw4EVyhl9ygN+nPQkP3kXL04SLvW4V/N7dcBgAQGhVcRLopqe3Tnao+5zF01O aTFqkgzL7cV/krGUwelNHHaVszEZk7Qu0SSQgq7qb1rGaXBMjQGu2uq8fekulT+s0fAZ dxKoOMJjSWT2LO2XdC4oLUA6q584EJS5ste2Nn3e6lxkXAK5AJdkGiOTfFzPuvtfF0w5 tM96sg94DZ/ujC0XxxpYd0QZKZQLluhD0/KYVTmdUEp+3HOkpbvrKjZtcQWIZH8SO59L DQ+g== X-Gm-Message-State: AOAM533odN2OLiQCmJyoqwV/0yCs0jcFirlIObqEB2RHRqDX3AVWlidB YRbdLtHzLu580PoFI1mYdjfoZLlc X-Google-Smtp-Source: ABdhPJz5LCJyYtKUUV9hYf011jY26e6+0uG4DFrNywYaFW3Hw4tl73qxoUBFdaIEM1oIfJ6J+M0DIQ== X-Received: by 2002:a5d:42c2:: with SMTP id t2mr18485749wrr.396.1596941635603; Sat, 08 Aug 2020 19:53:55 -0700 (PDT) Received: from [127.0.0.1] ([13.74.141.28]) by smtp.gmail.com with ESMTPSA id z15sm16278690wrn.89.2020.08.08.19.53.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 08 Aug 2020 19:53:55 -0700 (PDT) Message-Id: <1aa2a00a7a2a0e4c884bf95261b5e308c3611fbc.1596941625.git.gitgitgadget@gmail.com> In-Reply-To: References: From: "Abhishek Kumar via GitGitGadget" Date: Sun, 09 Aug 2020 02:53:40 +0000 Subject: [PATCH v2 06/10] commit-graph: return 64-bit generation number Fcc: Sent MIME-Version: 1.0 To: git@vger.kernel.org Cc: Derrick Stolee , Jakub =?utf-8?b?TmFyxJlic2tp?= , Taylor Blau , Abhishek Kumar , Abhishek Kumar Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org From: Abhishek Kumar In a preparatory step, let's return timestamp_t values from commit_graph_generation(), use timestamp_t for local variables and define GENERATION_NUMBER_INFINITY as (2 ^ 63 - 1) instead. Signed-off-by: Abhishek Kumar --- commit-graph.c | 18 +++++++++--------- commit-graph.h | 4 ++-- commit-reach.c | 32 ++++++++++++++++---------------- commit-reach.h | 2 +- commit.h | 3 ++- revision.c | 10 +++++----- upload-pack.c | 2 +- 7 files changed, 36 insertions(+), 35 deletions(-) diff --git a/commit-graph.c b/commit-graph.c index d5da1e8028..42f3ec5460 100644 --- a/commit-graph.c +++ b/commit-graph.c @@ -100,7 +100,7 @@ uint32_t commit_graph_position(const struct commit *c) return data ? data->graph_pos : COMMIT_NOT_FROM_GRAPH; } -uint32_t commit_graph_generation(const struct commit *c) +timestamp_t commit_graph_generation(const struct commit *c) { struct commit_graph_data *data = commit_graph_data_slab_peek(&commit_graph_data_slab, c); @@ -116,8 +116,8 @@ uint32_t commit_graph_generation(const struct commit *c) int compare_commits_by_gen(const void *_a, const void *_b) { const struct commit *a = _a, *b = _b; - const uint32_t generation_a = commit_graph_generation(a); - const uint32_t generation_b = commit_graph_generation(b); + const timestamp_t generation_a = commit_graph_generation(a); + const timestamp_t generation_b = commit_graph_generation(b); /* older commits first */ if (generation_a < generation_b) @@ -160,8 +160,8 @@ static int commit_gen_cmp(const void *va, const void *vb) const struct commit *a = *(const struct commit **)va; const struct commit *b = *(const struct commit **)vb; - uint32_t generation_a = commit_graph_data_at(a)->generation; - uint32_t generation_b = commit_graph_data_at(b)->generation; + const timestamp_t generation_a = commit_graph_data_at(a)->generation; + const timestamp_t generation_b = commit_graph_data_at(b)->generation; /* lower generation commits first */ if (generation_a < generation_b) return -1; @@ -1363,7 +1363,7 @@ static void compute_generation_numbers(struct write_commit_graph_context *ctx) uint32_t generation = commit_graph_data_at(ctx->commits.list[i])->generation; display_progress(ctx->progress, i + 1); - if (generation != GENERATION_NUMBER_INFINITY && + if (generation != GENERATION_NUMBER_V1_INFINITY && generation != GENERATION_NUMBER_ZERO) continue; @@ -1377,7 +1377,7 @@ static void compute_generation_numbers(struct write_commit_graph_context *ctx) for (parent = current->parents; parent; parent = parent->next) { generation = commit_graph_data_at(parent->item)->generation; - if (generation == GENERATION_NUMBER_INFINITY || + if (generation == GENERATION_NUMBER_V1_INFINITY || generation == GENERATION_NUMBER_ZERO) { all_parents_computed = 0; commit_list_insert(parent->item, &list); @@ -2387,8 +2387,8 @@ int verify_commit_graph(struct repository *r, struct commit_graph *g, int flags) for (i = 0; i < g->num_commits; i++) { struct commit *graph_commit, *odb_commit; struct commit_list *graph_parents, *odb_parents; - uint32_t max_generation = 0; - uint32_t generation; + timestamp_t max_generation = 0; + timestamp_t generation; display_progress(progress, i + 1); hashcpy(cur_oid.hash, g->chunk_oid_lookup + g->hash_len * i); diff --git a/commit-graph.h b/commit-graph.h index cc232e0678..f89614ecd5 100644 --- a/commit-graph.h +++ b/commit-graph.h @@ -140,13 +140,13 @@ void disable_commit_graph(struct repository *r); struct commit_graph_data { uint32_t graph_pos; - uint32_t generation; + timestamp_t generation; }; /* * Commits should be parsed before accessing generation, graph positions. */ -uint32_t commit_graph_generation(const struct commit *); +timestamp_t commit_graph_generation(const struct commit *); uint32_t commit_graph_position(const struct commit *); int compare_commits_by_gen(const void *_a, const void *_b); diff --git a/commit-reach.c b/commit-reach.c index c83cc291e7..470bc80139 100644 --- a/commit-reach.c +++ b/commit-reach.c @@ -32,12 +32,12 @@ static int queue_has_nonstale(struct prio_queue *queue) static struct commit_list *paint_down_to_common(struct repository *r, struct commit *one, int n, struct commit **twos, - int min_generation) + timestamp_t min_generation) { struct prio_queue queue = { compare_commits_by_gen_then_commit_date }; struct commit_list *result = NULL; int i; - uint32_t last_gen = GENERATION_NUMBER_INFINITY; + timestamp_t last_gen = GENERATION_NUMBER_INFINITY; if (!min_generation) queue.compare = compare_commits_by_commit_date; @@ -58,10 +58,10 @@ static struct commit_list *paint_down_to_common(struct repository *r, struct commit *commit = prio_queue_get(&queue); struct commit_list *parents; int flags; - uint32_t generation = commit_graph_generation(commit); + timestamp_t generation = commit_graph_generation(commit); if (min_generation && generation > last_gen) - BUG("bad generation skip %8x > %8x at %s", + BUG("bad generation skip %"PRItime" > %"PRItime" at %s", generation, last_gen, oid_to_hex(&commit->object.oid)); last_gen = generation; @@ -177,12 +177,12 @@ static int remove_redundant(struct repository *r, struct commit **array, int cnt repo_parse_commit(r, array[i]); for (i = 0; i < cnt; i++) { struct commit_list *common; - uint32_t min_generation = commit_graph_generation(array[i]); + timestamp_t min_generation = commit_graph_generation(array[i]); if (redundant[i]) continue; for (j = filled = 0; j < cnt; j++) { - uint32_t curr_generation; + timestamp_t curr_generation; if (i == j || redundant[j]) continue; filled_index[filled] = j; @@ -321,7 +321,7 @@ int repo_in_merge_bases_many(struct repository *r, struct commit *commit, { struct commit_list *bases; int ret = 0, i; - uint32_t generation, min_generation = GENERATION_NUMBER_INFINITY; + timestamp_t generation, min_generation = GENERATION_NUMBER_INFINITY; if (repo_parse_commit(r, commit)) return ret; @@ -470,7 +470,7 @@ static int in_commit_list(const struct commit_list *want, struct commit *c) static enum contains_result contains_test(struct commit *candidate, const struct commit_list *want, struct contains_cache *cache, - uint32_t cutoff) + timestamp_t cutoff) { enum contains_result *cached = contains_cache_at(cache, candidate); @@ -506,11 +506,11 @@ static enum contains_result contains_tag_algo(struct commit *candidate, { struct contains_stack contains_stack = { 0, 0, NULL }; enum contains_result result; - uint32_t cutoff = GENERATION_NUMBER_INFINITY; + timestamp_t cutoff = GENERATION_NUMBER_INFINITY; const struct commit_list *p; for (p = want; p; p = p->next) { - uint32_t generation; + timestamp_t generation; struct commit *c = p->item; load_commit_graph_info(the_repository, c); generation = commit_graph_generation(c); @@ -565,7 +565,7 @@ int can_all_from_reach_with_flag(struct object_array *from, unsigned int with_flag, unsigned int assign_flag, time_t min_commit_date, - uint32_t min_generation) + timestamp_t min_generation) { struct commit **list = NULL; int i; @@ -666,13 +666,13 @@ int can_all_from_reach(struct commit_list *from, struct commit_list *to, time_t min_commit_date = cutoff_by_min_date ? from->item->date : 0; struct commit_list *from_iter = from, *to_iter = to; int result; - uint32_t min_generation = GENERATION_NUMBER_INFINITY; + timestamp_t min_generation = GENERATION_NUMBER_INFINITY; while (from_iter) { add_object_array(&from_iter->item->object, NULL, &from_objs); if (!parse_commit(from_iter->item)) { - uint32_t generation; + timestamp_t generation; if (from_iter->item->date < min_commit_date) min_commit_date = from_iter->item->date; @@ -686,7 +686,7 @@ int can_all_from_reach(struct commit_list *from, struct commit_list *to, while (to_iter) { if (!parse_commit(to_iter->item)) { - uint32_t generation; + timestamp_t generation; if (to_iter->item->date < min_commit_date) min_commit_date = to_iter->item->date; @@ -726,13 +726,13 @@ struct commit_list *get_reachable_subset(struct commit **from, int nr_from, struct commit_list *found_commits = NULL; struct commit **to_last = to + nr_to; struct commit **from_last = from + nr_from; - uint32_t min_generation = GENERATION_NUMBER_INFINITY; + timestamp_t min_generation = GENERATION_NUMBER_INFINITY; int num_to_find = 0; struct prio_queue queue = { compare_commits_by_gen_then_commit_date }; for (item = to; item < to_last; item++) { - uint32_t generation; + timestamp_t generation; struct commit *c = *item; parse_commit(c); diff --git a/commit-reach.h b/commit-reach.h index b49ad71a31..148b56fea5 100644 --- a/commit-reach.h +++ b/commit-reach.h @@ -87,7 +87,7 @@ int can_all_from_reach_with_flag(struct object_array *from, unsigned int with_flag, unsigned int assign_flag, time_t min_commit_date, - uint32_t min_generation); + timestamp_t min_generation); int can_all_from_reach(struct commit_list *from, struct commit_list *to, int commit_date_cutoff); diff --git a/commit.h b/commit.h index e901538909..bc0732a4fe 100644 --- a/commit.h +++ b/commit.h @@ -11,7 +11,8 @@ #include "commit-slab.h" #define COMMIT_NOT_FROM_GRAPH 0xFFFFFFFF -#define GENERATION_NUMBER_INFINITY 0xFFFFFFFF +#define GENERATION_NUMBER_INFINITY ((1ULL << 63) - 1) +#define GENERATION_NUMBER_V1_INFINITY 0xFFFFFFFF #define GENERATION_NUMBER_MAX 0x3FFFFFFF #define GENERATION_NUMBER_ZERO 0 diff --git a/revision.c b/revision.c index 4ec82ed5ab..bd7b39c806 100644 --- a/revision.c +++ b/revision.c @@ -3292,7 +3292,7 @@ define_commit_slab(indegree_slab, int); define_commit_slab(author_date_slab, timestamp_t); struct topo_walk_info { - uint32_t min_generation; + timestamp_t min_generation; struct prio_queue explore_queue; struct prio_queue indegree_queue; struct prio_queue topo_queue; @@ -3338,7 +3338,7 @@ static void explore_walk_step(struct rev_info *revs) } static void explore_to_depth(struct rev_info *revs, - uint32_t gen_cutoff) + timestamp_t gen_cutoff) { struct topo_walk_info *info = revs->topo_walk_info; struct commit *c; @@ -3381,7 +3381,7 @@ static void indegree_walk_step(struct rev_info *revs) } static void compute_indegrees_to_depth(struct rev_info *revs, - uint32_t gen_cutoff) + timestamp_t gen_cutoff) { struct topo_walk_info *info = revs->topo_walk_info; struct commit *c; @@ -3439,7 +3439,7 @@ static void init_topo_walk(struct rev_info *revs) info->min_generation = GENERATION_NUMBER_INFINITY; for (list = revs->commits; list; list = list->next) { struct commit *c = list->item; - uint32_t generation; + timestamp_t generation; if (parse_commit_gently(c, 1)) continue; @@ -3500,7 +3500,7 @@ static void expand_topo_walk(struct rev_info *revs, struct commit *commit) for (p = commit->parents; p; p = p->next) { struct commit *parent = p->item; int *pi; - uint32_t generation; + timestamp_t generation; if (parent->object.flags & UNINTERESTING) continue; diff --git a/upload-pack.c b/upload-pack.c index 8673741070..18ee29db67 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -490,7 +490,7 @@ static int got_oid(struct upload_pack_data *data, static int ok_to_give_up(struct upload_pack_data *data) { - uint32_t min_generation = GENERATION_NUMBER_ZERO; + timestamp_t min_generation = GENERATION_NUMBER_ZERO; if (!data->have_obj.nr) return 0;