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commit-graph: place bloom_settings in context

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Place an instance of struct bloom_settings into the struct
write_commit_graph_context. This allows simplifying the function
prototype of write_graph_chunk_bloom_data(). This will allow us
to combine the function prototypes and use function pointers to
simplify write_commit_graph_file().

By using a pointer, we can later replace the settings to match those
that exist in the current commit-graph, in case a future Git version
allows customization of these parameters.

Reported-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee 2020-06-23 17:47:00 +00:00 committed by Junio C Hamano
parent 7fbfe07ab4
commit 98037f2bf2
1 changed files with 8 additions and 6 deletions
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14
commit-graph.c
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@ -882,6 +882,7 @@ struct write_commit_graph_context {
const struct split_commit_graph_opts *split_opts;
size_t total_bloom_filter_data_size;
const struct bloom_filter_settings *bloom_settings;
};
static void write_graph_chunk_fanout(struct hashfile *f,
@ -1103,8 +1104,7 @@ static void write_graph_chunk_bloom_indexes(struct hashfile *f,
}
static void write_graph_chunk_bloom_data(struct hashfile *f,
struct write_commit_graph_context *ctx,
const struct bloom_filter_settings *settings)
struct write_commit_graph_context *ctx)
{
struct commit **list = ctx->commits.list;
struct commit **last = ctx->commits.list + ctx->commits.nr;
@ -1116,9 +1116,9 @@ static void write_graph_chunk_bloom_data(struct hashfile *f,
_("Writing changed paths Bloom filters data"),
ctx->commits.nr);
hashwrite_be32(f, settings->hash_version);
hashwrite_be32(f, settings->num_hashes);
hashwrite_be32(f, settings->bits_per_entry);
hashwrite_be32(f, ctx->bloom_settings->hash_version);
hashwrite_be32(f, ctx->bloom_settings->num_hashes);
hashwrite_be32(f, ctx->bloom_settings->bits_per_entry);
while (list < last) {
struct bloom_filter *filter = get_bloom_filter(ctx->r, *list, 0);
@ -1541,6 +1541,8 @@ static int write_commit_graph_file(struct write_commit_graph_context *ctx)
struct object_id file_hash;
const struct bloom_filter_settings bloom_settings = DEFAULT_BLOOM_FILTER_SETTINGS;
ctx->bloom_settings = &bloom_settings;
if (ctx->split) {
struct strbuf tmp_file = STRBUF_INIT;
@ -1642,7 +1644,7 @@ static int write_commit_graph_file(struct write_commit_graph_context *ctx)
write_graph_chunk_extra_edges(f, ctx);
if (ctx->changed_paths) {
write_graph_chunk_bloom_indexes(f, ctx);
write_graph_chunk_bloom_data(f, ctx, &bloom_settings);
write_graph_chunk_bloom_data(f, ctx);
}
if (ctx->num_commit_graphs_after > 1 &&
write_graph_chunk_base(f, ctx)) {