Adding checkpoint and robustness improvements

[yaffs2.git] / direct / yaffscfg2k.c

diff --git a/direct/yaffscfg2k.c b/direct/yaffscfg2k.c
index fee61756d4bf4873a7e4db8f8fe8eeead9f26836..6d5f542fc4b0d0754a959a86b523fcde770a0453 100644 (file)
--- a/direct/yaffscfg2k.c
+++ b/direct/yaffscfg2k.c
@@ -1,6 +1,18 @@
 /*
- * YAFFS: Yet another FFS. A NAND-flash specific file system.
- * yaffscfg.c  The configuration for the "direct" use of yaffs.
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2007 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * yaffscfg2k.c  The configuration for the "direct" use of yaffs.
  *
  * This file is intended to be modified to your requirements.
  * There is no need to redistribute this file.
@@ -17,11 +29,14 @@ unsigned yaffs_traceMask =
 
        YAFFS_TRACE_SCAN |  
        YAFFS_TRACE_GC | YAFFS_TRACE_GC_DETAIL | 
-       YAFFS_TRACE_WRITE  | YAFFS_TRACE_ERASE | 
+       YAFFS_TRACE_ERASE | 
        YAFFS_TRACE_TRACING | 
        YAFFS_TRACE_ALLOCATE | 
        YAFFS_TRACE_CHECKPOINT |
        YAFFS_TRACE_BAD_BLOCKS |
+       YAFFS_TRACE_VERIFY |
+       YAFFS_TRACE_VERIFY_NAND |
+       YAFFS_TRACE_VERIFY_FULL |
 //     (~0) |
        
        0;
@@ -47,6 +62,30 @@ __u32 yaffsfs_CurrentTime(void)
        return 0;
 }
 
+
+static int yaffs_kill_alloc = 0;
+static size_t total_malloced = 0;
+static size_t malloc_limit = 0 & 6000000;
+
+void *yaffs_malloc(size_t size)
+{
+       size_t this;
+       if(yaffs_kill_alloc)
+               return NULL;
+       if(malloc_limit && malloc_limit <(total_malloced + size) )
+               return NULL;
+
+       this = malloc(size);
+       if(this)
+               total_malloced += size;
+       return this;
+}
+
+void yaffs_free(void *ptr)
+{
+       free(ptr);
+}
+
 void yaffsfs_LocalInitialisation(void)
 {
        // Define locking semaphore.