[PATCH v3 25/32] commit.c: migrate the commit buffer to the parsed object store
Signed-off-by: Stefan Beller <sbeller@google.com>
---
commit.c | 29 +++++++++++++++++++++++------
commit.h | 4 ++++
object.c | 5 +++++
object.h | 4 ++++
4 files changed, 36 insertions(+), 6 deletions(-)
diff --git a/commit.c b/commit.c
index 41d23352098..1baac77861f 100644
--- a/commit.c
+++ b/commit.c
@@ -261,18 +261,32 @@ struct commit_buffer {
unsigned long size;
};
define_commit_slab(buffer_slab, struct commit_buffer);
-static struct buffer_slab buffer_slab = COMMIT_SLAB_INIT(1, buffer_slab);
+
+struct buffer_slab *allocate_commit_buffer_slab(void)
+{
+ struct buffer_slab *bs = xmalloc(sizeof(*bs));
+ init_buffer_slab(bs);
+ return bs;
+}
+
+void free_commit_buffer_slab(struct buffer_slab *bs)
+{
+ clear_buffer_slab(bs);
+ free(bs);
+}
void set_commit_buffer_the_repository(struct commit *commit, void *buffer, unsigned long size)
{
- struct commit_buffer *v = buffer_slab_at(&buffer_slab, commit);
+ struct commit_buffer *v = buffer_slab_at(
+ the_repository->parsed_objects->buffer_slab, commit);
v->buffer = buffer;
v->size = size;
}
const void *get_cached_commit_buffer_the_repository(const struct commit *commit, unsigned long *sizep)
{
- struct commit_buffer *v = buffer_slab_peek(&buffer_slab, commit);
+ struct commit_buffer *v = buffer_slab_peek(
+ the_repository->parsed_objects->buffer_slab, commit);
if (!v) {
if (sizep)
*sizep = 0;
@@ -304,14 +318,16 @@ const void *get_commit_buffer(const struct commit *commit, unsigned long *sizep)
void unuse_commit_buffer(const struct commit *commit, const void *buffer)
{
- struct commit_buffer *v = buffer_slab_peek(&buffer_slab, commit);
+ struct commit_buffer *v = buffer_slab_peek(
+ the_repository->parsed_objects->buffer_slab, commit);
if (!(v && v->buffer == buffer))
free((void *)buffer);
}
void free_commit_buffer(struct commit *commit)
{
- struct commit_buffer *v = buffer_slab_peek(&buffer_slab, commit);
+ struct commit_buffer *v = buffer_slab_peek(
+ the_repository->parsed_objects->buffer_slab, commit);
if (v) {
FREE_AND_NULL(v->buffer);
v->size = 0;
@@ -347,7 +363,8 @@ void release_commit_memory(struct commit *c)
const void *detach_commit_buffer(struct commit *commit, unsigned long *sizep)
{
- struct commit_buffer *v = buffer_slab_peek(&buffer_slab, commit);
+ struct commit_buffer *v = buffer_slab_peek(
+ the_repository->parsed_objects->buffer_slab, commit);
void *ret;
if (!v) {
diff --git a/commit.h b/commit.h
index e9cb5aaaae9..bea5e015b28 100644
--- a/commit.h
+++ b/commit.h
@@ -89,6 +89,10 @@ static inline int parse_commit(struct commit *item)
}
void parse_commit_or_die(struct commit *item);
+struct buffer_slab;
+struct buffer_slab *allocate_commit_buffer_slab(void);
+void free_commit_buffer_slab(struct buffer_slab *bs);
+
/*
* Associate an object buffer with the commit. The ownership of the
* memory is handed over to the commit, and must be free()-able.
diff --git a/object.c b/object.c
index 9d74de95f5b..9d588448192 100644
--- a/object.c
+++ b/object.c
@@ -467,6 +467,8 @@ struct parsed_object_pool *parsed_object_pool_new(void)
o->is_shallow = -1;
o->shallow_stat = xcalloc(1, sizeof(*o->shallow_stat));
+ o->buffer_slab = allocate_commit_buffer_slab();
+
return o;
}
@@ -541,6 +543,9 @@ void parsed_object_pool_clear(struct parsed_object_pool *o)
FREE_AND_NULL(o->obj_hash);
o->obj_hash_size = 0;
+ free_commit_buffer_slab(o->buffer_slab);
+ o->buffer_slab = NULL;
+
clear_alloc_state(o->blob_state);
clear_alloc_state(o->tree_state);
clear_alloc_state(o->commit_state);
diff --git a/object.h b/object.h
index 0d7d74129b6..f54a892bd10 100644
--- a/object.h
+++ b/object.h
@@ -1,6 +1,8 @@
#ifndef OBJECT_H
#define OBJECT_H
+struct buffer_slab;
+
struct parsed_object_pool {
struct object **obj_hash;
int nr_objs, obj_hash_size;
@@ -22,6 +24,8 @@ struct parsed_object_pool {
char *alternate_shallow_file;
int commit_graft_prepared;
+
+ struct buffer_slab *buffer_slab;
};
struct parsed_object_pool *parsed_object_pool_new(void);
--
2.18.0.399.gad0ab374a1-goog
Stefan Beller <sbeller@google.com>