--- zzzz-none-000/linux-2.6.28.10/fs/ext2/balloc.c	2009-05-02 18:54:43.000000000 +0000
+++ puma5-6360-529/linux-2.6.28.10/fs/ext2/balloc.c	2011-04-04 12:27:02.000000000 +0000
@@ -16,6 +16,7 @@
 #include <linux/sched.h>
 #include <linux/buffer_head.h>
 #include <linux/capability.h>
+#include <linux/blkdev.h>
 
 /*
  * balloc.c contains the blocks allocation and deallocation routines
@@ -559,6 +560,9 @@
 	if (sb->s_flags & MS_SYNCHRONOUS)
 		sync_dirty_buffer(bitmap_bh);
 
+    //printk(KERN_ERR "[%s/%d] block:%lu, count:%lu", __func__, __LINE__, block, count);
+    sb_issue_discard(sb, block, count); // Koennte ein Hack sein...
+
 	group_adjust_blocks(sb, block_group, desc, bh2, group_freed);
 	freed += group_freed;