Flush entire cache at umount

[yaffs2.git] / yaffs_guts.c

diff --git a/yaffs_guts.c b/yaffs_guts.c
index ca1dd6a4c88f751e32ccef3e8490fc4bca107958..e8873e1debfd176641816a23490676e9eafddbec 100644 (file)
--- a/yaffs_guts.c
+++ b/yaffs_guts.c
@@ -13,7 +13,7 @@
  */
 
 const char *yaffs_guts_c_version =
-    "$Id: yaffs_guts.c,v 1.30 2006-03-01 08:14:32 charles Exp $";
+    "$Id: yaffs_guts.c,v 1.31 2006-03-08 07:59:20 charles Exp $";
 
 #include "yportenv.h"
 
@@ -3037,6 +3037,36 @@ static void yaffs_FlushFilesChunkCache(yaffs_Object * obj)
 
 }
 
+/*yaffs_FlushEntireDeviceCache(dev)
+ *
+ *
+ */
+
+void yaffs_FlushEntireDeviceCache(yaffs_Device *dev)
+{
+       yaffs_Object *obj;
+       int nCaches = dev->nShortOpCaches;
+       int i;
+       
+       /* Find a dirty object in the cache and flush it...
+        * until there are no further dirty objects.
+        */
+       do {
+               obj = NULL;
+               for( i = 0; i < nCaches && !obj; i++) {
+                       if (dev->srCache[i].object &&
+                           dev->srCache[i].dirty)
+                               obj = dev->srCache[i].object;
+                           
+               }
+               if(obj)
+                       yaffs_FlushFilesChunkCache(obj);
+                       
+       } while(obj);
+       
+}
+
+
 /* Grab us a cache chunk for use.
  * First look for an empty one. 
  * Then look for the least recently used non-dirty one.