Merge branch 'ma/doc-diff-usage-fix'

[thirdparty/git.git] / pack-objects.h

diff --git a/pack-objects.h b/pack-objects.h
index 0a038e3bc6453bba5a2519b71b871d286d98acfb..6bfacc7d2cedd7f399d7807b7746b6ed66737eed 100644 (file)
--- a/pack-objects.h
+++ b/pack-objects.h
@@ -5,6 +5,8 @@
 #include "thread-utils.h"
 #include "pack.h"
 
+struct repository;
+
 #define DEFAULT_DELTA_CACHE_SIZE (256 * 1024 * 1024)
 
 #define OE_DFS_STATE_BITS      2
@@ -127,6 +129,7 @@ struct object_entry {
 };
 
 struct packing_data {
+       struct repository *repo;
        struct object_entry *objects;
        uint32_t nr_objects, nr_alloc;
 
@@ -145,8 +148,11 @@ struct packing_data {
        struct packed_git **in_pack_by_idx;
        struct packed_git **in_pack;
 
-       pthread_mutex_t lock;
-       pthread_mutex_t read_lock;
+       /*
+        * During packing with multiple threads, protect the in-core
+        * object database from concurrent accesses.
+        */
+       pthread_mutex_t odb_lock;
 
        /*
         * This list contains entries for bases which we know the other side
@@ -164,24 +170,16 @@ struct packing_data {
        unsigned char *layer;
 };
 
-void prepare_packing_data(struct packing_data *pdata);
+void prepare_packing_data(struct repository *r, struct packing_data *pdata);
 
+/* Protect access to object database */
 static inline void packing_data_lock(struct packing_data *pdata)
 {
-       pthread_mutex_lock(&pdata->lock);
+       pthread_mutex_lock(&pdata->odb_lock);
 }
 static inline void packing_data_unlock(struct packing_data *pdata)
 {
-       pthread_mutex_unlock(&pdata->lock);
-}
-
-static inline void packing_data_read_lock(struct packing_data *pdata)
-{
-       pthread_mutex_lock(&pdata->read_lock);
-}
-static inline void packing_data_read_unlock(struct packing_data *pdata)
-{
-       pthread_mutex_unlock(&pdata->read_lock);
+       pthread_mutex_unlock(&pdata->odb_lock);
 }
 
 struct object_entry *packlist_alloc(struct packing_data *pdata,