grep: move sha1-reading mutex into low-level code

diff --git a/grep.c b/grep.c
index 7a67c2ff6ffa2d155efa68471cdaa04eed6b1f35..db58a29c2b508ecccc56a2cb17ce6ef98f6355ed 100644 (file)
--- a/grep.c
+++ b/grep.c
@@ -826,6 +826,12 @@ static inline void grep_attr_unlock(void)
        if (grep_use_locks)
                pthread_mutex_unlock(&grep_attr_mutex);
 }
+
+/*
+ * Same as git_attr_mutex, but protecting the thread-unsafe object db access.
+ */
+pthread_mutex_t grep_read_mutex;
+
 #else
 #define grep_attr_lock()
 #define grep_attr_unlock()