diff --git a/revision.c b/revision.c
index 3628ef963d..b56608d144 100644
--- a/revision.c
+++ b/revision.c
@@ -789,6 +789,21 @@ bool revs_maybe_changed_in_bloom(struct rev_info *revs,
 	return false;
 }
 
+bool revs_maybe_changed_in_bloom_with_parents(struct rev_info *revs,
+					      struct bloom_filter *filter)
+{
+	if (!revs->bloom_keyvecs_nr || !filter)
+		return true;
+
+	for (size_t nr = 0; nr < revs->bloom_keyvecs_nr; nr++)
+		if (bloom_filter_contains_any_vec(filter,
+						  revs->bloom_keyvecs[nr],
+						  revs->bloom_filter_settings))
+			return true;
+
+	return false;
+}
+
 static int rev_compare_tree(struct rev_info *revs,
 			    struct commit *parent, struct commit *commit, int nth_parent)
 {
diff --git a/revision.h b/revision.h
index 14be39e20c..58b60f9b3e 100644
--- a/revision.h
+++ b/revision.h
@@ -505,6 +505,14 @@ int prepare_revision_walk(struct rev_info *revs);
 bool revs_maybe_changed_in_bloom(struct rev_info *revs,
 				 struct bloom_filter *filter);
 
+/**
+ * Same as revs_maybe_changed_in_bloom(), but a change to any of the directories
+ * leading up to a path counts as well. Callers that track the tree entries
+ * containing the paths, and not just the paths themselves, need this.
+ */
+bool revs_maybe_changed_in_bloom_with_parents(struct rev_info *revs,
+					      struct bloom_filter *filter);
+
 /* Drain the commits linked list into the priority queue. */
 void rev_info_commit_list_to_queue(struct rev_info *revs);
 /**