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[PATCH 1/2] packfile: close and free packs upon releasing an object store




In d0b59866223 (object-store: close all packs upon clearing the object
store, 2018-03-23), we made sure to close all packfiles on releasing
an object store, but we also have to free the memory of the closed packs.

Signed-off-by: Stefan Beller <sbeller@xxxxxxxxxx>
---
 object.c   |  2 +-
 packfile.c | 11 +++++++++++
 packfile.h |  1 +
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/object.c b/object.c
index 66cffaf6e51..3e64a4a26dd 100644
--- a/object.c
+++ b/object.c
@@ -485,6 +485,6 @@ void raw_object_store_clear(struct raw_object_store *o)
 	o->alt_odb_tail = NULL;
 
 	INIT_LIST_HEAD(&o->packed_git_mru);
-	close_all_packs(o);
+	close_and_free_packs(o);
 	o->packed_git = NULL;
 }
diff --git a/packfile.c b/packfile.c
index 6c3ddc3c31d..ba4baa55531 100644
--- a/packfile.c
+++ b/packfile.c
@@ -322,6 +322,17 @@ void close_all_packs(struct raw_object_store *o)
 			close_pack(p);
 }
 
+void close_and_free_packs(struct raw_object_store *o)
+{
+	close_all_packs(o);
+
+	while (o->packed_git) {
+		struct packed_git *p = o->packed_git;
+		o->packed_git = p->next;
+		free(p);
+	}
+}
+
 /*
  * The LRU pack is the one with the oldest MRU window, preferring packs
  * with no used windows, or the oldest mtime if it has no windows allocated.
diff --git a/packfile.h b/packfile.h
index 9c2f8859945..cdab0557979 100644
--- a/packfile.h
+++ b/packfile.h
@@ -67,6 +67,7 @@ extern unsigned char *use_pack(struct packed_git *, struct pack_window **, off_t
 extern void close_pack_windows(struct packed_git *);
 extern void close_pack(struct packed_git *);
 extern void close_all_packs(struct raw_object_store *o);
+extern void close_and_free_packs(struct raw_object_store *o);
 extern void unuse_pack(struct pack_window **);
 extern void clear_delta_base_cache(void);
 extern struct packed_git *add_packed_git(const char *path, size_t path_len, int local);
-- 
2.17.0.255.g8bfb7c0704