--- a/cache.h	Sat Aug 09 01:00:35 2008 +0300
+++ b/cache.h	Sat Aug 09 14:42:59 2008 +0300
@@ -43,13 +43,16 @@
     CACHE_STATE_INVALID,
 
     CACHE_STATE_LOOKUP,
-    CACHE_STATE_WRITE_BEGIN,
-    CACHE_STATE_READ_BEGIN,
+    CACHE_STATE_HIT,
+    CACHE_STATE_MISS,
+
+    CACHE_STATE_OPEN_READ,
+    CACHE_STATE_READ,
+
+    CACHE_STATE_OPEN_WRITE,
     CACHE_STATE_WRITE,
     CACHE_STATE_WRITE_PAUSE,
-    CACHE_STATE_READ,
 
-    CACHE_STATE_DONE,
     CACHE_STATE_ERROR,
 };
 
@@ -128,7 +131,12 @@
 /*
  * Prepare this cache req for writing in the data. Hint, if nonzero, is used to pre-allocate resources for the entry.
  */
-int cache_req_begin_write(struct cache_req *req, size_t hint);
+int cache_req_begin_write (struct cache_req *req, size_t hint);
+
+/*
+ * Prepare this cache req for use with cache_req_pull.
+ */
+int cache_req_begin_read (struct cache_req *req);
 
 /*
  * Add some data into this cache entry, reading from the given fd. This is only valid for cache_req's in