read-cache: avoid allocating every ondisk entry when writing

diff --git a/pack-bitmap.c b/pack-bitmap.c
index dd8dc16e676fb3e928560002c0cb7e1f36910e1a..327634cd71b5c8fdd5ab531493c2de020bee869d 100644 (file)
--- a/pack-bitmap.c
+++ b/pack-bitmap.c
@@ -266,7 +266,7 @@ static int open_pack_bitmap_1(struct packed_git *packfile)
                return -1;
 
        idx_name = pack_bitmap_filename(packfile);
-       fd = git_open_noatime(idx_name);
+       fd = git_open(idx_name);
        free(idx_name);
 
        if (fd < 0)
@@ -414,19 +414,15 @@ static int ext_index_add_object(struct object *object, const char *name)
        return bitmap_pos + bitmap_git.pack->num_objects;
 }
 
-static void show_object(struct object *object, const struct name_path *path,
-                       const char *last, void *data)
+static void show_object(struct object *object, const char *name, void *data)
 {
        struct bitmap *base = data;
        int bitmap_pos;
 
        bitmap_pos = bitmap_position(object->oid.hash);
 
-       if (bitmap_pos < 0) {
-               char *name = path_name(path, last);
+       if (bitmap_pos < 0)
                bitmap_pos = ext_index_add_object(object, name);
-               free(name);
-       }
 
        bitmap_set(base, bitmap_pos);
 }
@@ -631,7 +627,7 @@ static void show_objects_for_type(
                        sha1 = nth_packed_object_sha1(bitmap_git.pack, entry->nr);
 
                        if (bitmap_git.hashes)
-                               hash = ntohl(bitmap_git.hashes[entry->nr]);
+                               hash = get_be32(bitmap_git.hashes + entry->nr);
 
                        show_reach(sha1, object_type, 0, hash, bitmap_git.pack, entry->offset);
                }
@@ -677,7 +673,7 @@ int prepare_bitmap_walk(struct rev_info *revs)
                struct object *object = pending_e[i].item;
 
                if (object->type == OBJ_NONE)
-                       parse_object_or_die(object->oid.hash, NULL);
+                       parse_object_or_die(&object->oid, NULL);
 
                while (object->type == OBJ_TAG) {
                        struct tag *tag = (struct tag *) object;
@@ -689,7 +685,7 @@ int prepare_bitmap_walk(struct rev_info *revs)
 
                        if (!tag->tagged)
                                die("bad tag");
-                       object = parse_object_or_die(tag->tagged->oid.hash, NULL);
+                       object = parse_object_or_die(&tag->tagged->oid, NULL);
                }
 
                if (object->flags & UNINTERESTING)
@@ -894,9 +890,8 @@ struct bitmap_test_data {
        size_t seen;
 };
 
-static void test_show_object(struct object *object,
-                            const struct name_path *path,
-                            const char *last, void *data)
+static void test_show_object(struct object *object, const char *name,
+                            void *data)
 {
        struct bitmap_test_data *tdata = data;
        int bitmap_pos;