@@ -88,6 +88,7 @@ int load_bloom_filter_from_graph(struct commit_graph *g,
filter->data = (unsigned char *)(g->chunk_bloom_data +
sizeof(unsigned char) * start_index +
BLOOMDATA_CHUNK_HEADER_SIZE);
+ filter->version = g->bloom_filter_settings->hash_version;
return 1;
}
@@ -273,11 +274,13 @@ static int pathmap_cmp(const void *hashmap_cmp_fn_data UNUSED,
return strcmp(e1->path, e2->path);
}
-static void init_truncated_large_filter(struct bloom_filter *filter)
+static void init_truncated_large_filter(struct bloom_filter *filter,
+ int version)
{
filter->data = xmalloc(1);
filter->data[0] = 0xFF;
filter->len = 1;
+ filter->version = version;
}
struct bloom_filter *get_or_compute_bloom_filter(struct repository *r,
@@ -362,13 +365,15 @@ struct bloom_filter *get_or_compute_bloom_filter(struct repository *r,
}
if (hashmap_get_size(&pathmap) > settings->max_changed_paths) {
- init_truncated_large_filter(filter);
+ init_truncated_large_filter(filter,
+ settings->hash_version);
if (computed)
*computed |= BLOOM_TRUNC_LARGE;
goto cleanup;
}
filter->len = (hashmap_get_size(&pathmap) * settings->bits_per_entry + BITS_PER_WORD - 1) / BITS_PER_WORD;
+ filter->version = settings->hash_version;
if (!filter->len) {
if (computed)
*computed |= BLOOM_TRUNC_EMPTY;
@@ -388,7 +393,7 @@ struct bloom_filter *get_or_compute_bloom_filter(struct repository *r,
} else {
for (i = 0; i < diff_queued_diff.nr; i++)
diff_free_filepair(diff_queued_diff.queue[i]);
- init_truncated_large_filter(filter);
+ init_truncated_large_filter(filter, settings->hash_version);
if (computed)
*computed |= BLOOM_TRUNC_LARGE;
@@ -55,6 +55,7 @@ struct bloom_filter_settings {
struct bloom_filter {
unsigned char *data;
size_t len;
+ int version;
};
/*
In subsequent commits, we will want to load existing Bloom filters out of a commit-graph, even when the hash version they were computed with does not match the value of `commitGraph.changedPathVersion`. In order to differentiate between the two, add a "version" field to each Bloom filter. Signed-off-by: Taylor Blau <me@ttaylorr.com> --- bloom.c | 11 ++++++++--- bloom.h | 1 + 2 files changed, 9 insertions(+), 3 deletions(-)