gc: do not explode objects which will be immediately pruned

diff --git a/preload-index.c b/preload-index.c
index 88edc5f8a9d5384e19426e6adb40e08b34d3adf2..49cb08df96faa90101bb25d8f96acaffc066f19b 100644 (file)
--- a/preload-index.c
+++ b/preload-index.c
@@ -34,7 +34,11 @@ static void *preload_thread(void *_data)
        struct thread_data *p = _data;
        struct index_state *index = p->index;
        struct cache_entry **cep = index->cache + p->offset;
+       struct cache_def cache;
+       struct pathspec pathspec;
 
+       init_pathspec(&pathspec, p->pathspec);
+       memset(&cache, 0, sizeof(cache));
        nr = p->nr;
        if (nr + p->offset > index->cache_nr)
                nr = index->cache_nr - p->offset;
@@ -45,9 +49,13 @@ static void *preload_thread(void *_data)
 
                if (ce_stage(ce))
                        continue;
+               if (S_ISGITLINK(ce->ce_mode))
+                       continue;
                if (ce_uptodate(ce))
                        continue;
-               if (!ce_path_match(ce, p->pathspec))
+               if (!ce_path_match(ce, &pathspec))
+                       continue;
+               if (threaded_has_symlink_leading_path(&cache, ce->name, ce_namelen(ce)))
                        continue;
                if (lstat(ce->name, &st))
                        continue;
@@ -55,6 +63,7 @@ static void *preload_thread(void *_data)
                        continue;
                ce_mark_uptodate(ce);
        } while (--nr > 0);
+       free_pathspec(&pathspec);
        return NULL;
 }
 
@@ -72,7 +81,7 @@ static void preload_index(struct index_state *index, const char **pathspec)
        if (threads > MAX_PARALLEL)
                threads = MAX_PARALLEL;
        offset = 0;
-       work = (index->cache_nr + threads - 1) / threads;
+       work = DIV_ROUND_UP(index->cache_nr, threads);
        for (i = 0; i < threads; i++) {
                struct thread_data *p = data+i;
                p->index = index;