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authorJunio C Hamano <gitster@pobox.com>2020-10-09 04:53:25 (GMT)
committerJunio C Hamano <gitster@pobox.com>2020-10-09 04:53:26 (GMT)
commitc7ac8c0a7ccba76f082b9fd9c7e35b66209d8bf3 (patch)
tree78b36cf20a92eb637f6a2d5be57c53bcde7818cd
parentabac91e3aa0fffb5901498923e79d4bcbdb96c46 (diff)
parentec6a8f9705cb61956f7fac61a4c0e27d9ae4bbd5 (diff)
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Merge branch 'jk/index-pack-hotfixes'
Hotfix and clean-up for the jt/threaded-index-pack topic that has graduated to v2.29-rc0. * jk/index-pack-hotfixes: index-pack: make get_base_data() comment clearer index-pack: drop type_cas mutex index-pack: restore "resolving deltas" progress meter
-rw-r--r--builtin/index-pack.c29
-rwxr-xr-xt/t5302-pack-index.sh7
2 files changed, 19 insertions, 17 deletions
diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index 8acd078..0d03cb4 100644
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -159,10 +159,6 @@ static pthread_mutex_t deepest_delta_mutex;
#define deepest_delta_lock() lock_mutex(&deepest_delta_mutex)
#define deepest_delta_unlock() unlock_mutex(&deepest_delta_mutex)
-static pthread_mutex_t type_cas_mutex;
-#define type_cas_lock() lock_mutex(&type_cas_mutex)
-#define type_cas_unlock() unlock_mutex(&type_cas_mutex)
-
static pthread_key_t key;
static inline void lock_mutex(pthread_mutex_t *mutex)
@@ -186,7 +182,6 @@ static void init_thread(void)
init_recursive_mutex(&read_mutex);
pthread_mutex_init(&counter_mutex, NULL);
pthread_mutex_init(&work_mutex, NULL);
- pthread_mutex_init(&type_cas_mutex, NULL);
if (show_stat)
pthread_mutex_init(&deepest_delta_mutex, NULL);
pthread_key_create(&key, NULL);
@@ -209,7 +204,6 @@ static void cleanup_thread(void)
pthread_mutex_destroy(&read_mutex);
pthread_mutex_destroy(&counter_mutex);
pthread_mutex_destroy(&work_mutex);
- pthread_mutex_destroy(&type_cas_mutex);
if (show_stat)
pthread_mutex_destroy(&deepest_delta_mutex);
for (i = 0; i < nr_threads; i++)
@@ -894,18 +888,15 @@ static void sha1_object(const void *data, struct object_entry *obj_entry,
}
/*
- * Walk from current node up
- * to top parent if necessary to deflate the node. In normal
- * situation, its parent node would be already deflated, so it just
- * needs to apply delta.
- *
- * In the worst case scenario, parent node is no longer deflated because
- * we're running out of delta_base_cache_limit; we need to re-deflate
- * parents, possibly up to the top base.
+ * Ensure that this node has been reconstructed and return its contents.
*
- * All deflated objects here are subject to be freed if we exceed
- * delta_base_cache_limit, just like in find_unresolved_deltas(), we
- * just need to make sure the last node is not freed.
+ * In the typical and best case, this node would already be reconstructed
+ * (through the invocation to resolve_delta() in threaded_second_pass()) and it
+ * would not be pruned. However, if pruning of this node was necessary due to
+ * reaching delta_base_cache_limit, this function will find the closest
+ * ancestor with reconstructed data that has not been pruned (or if there is
+ * none, the ultimate base object), and reconstruct each node in the delta
+ * chain in order to generate the reconstructed data for this node.
*/
static void *get_base_data(struct base_data *c)
{
@@ -1028,6 +1019,10 @@ static void *threaded_second_pass(void *data)
struct object_entry *child_obj;
struct base_data *child;
+ counter_lock();
+ display_progress(progress, nr_resolved_deltas);
+ counter_unlock();
+
work_lock();
if (list_empty(&work_head)) {
/*
diff --git a/t/t5302-pack-index.sh b/t/t5302-pack-index.sh
index c92e553..7c9d687 100755
--- a/t/t5302-pack-index.sh
+++ b/t/t5302-pack-index.sh
@@ -277,4 +277,11 @@ test_expect_success 'index-pack --fsck-objects also warns upon missing tagger in
grep "^warning:.* expected .tagger. line" err
'
+test_expect_success 'index-pack -v --stdin produces progress for both phases' '
+ pack=$(git pack-objects --all pack </dev/null) &&
+ GIT_PROGRESS_DELAY=0 git index-pack -v --stdin <pack-$pack.pack 2>err &&
+ test_i18ngrep "Receiving objects" err &&
+ test_i18ngrep "Resolving deltas" err
+'
+
test_done