mtd/fs/jffs2 nodelist.h,1.102,1.103

[David Woodhouse]

Update of /home/cvs/mtd/fs/jffs2
In directory phoenix.infradead.org:/tmp/cvs-serv13553

Modified Files:
	nodelist.h 
Log Message:
extra debugging

Index: nodelist.h
===================================================================
RCS file: /home/cvs/mtd/fs/jffs2/nodelist.h,v
retrieving revision 1.102
retrieving revision 1.103
diff -u -r1.102 -r1.103
--- nodelist.h	4 Oct 2003 08:33:06 -0000	1.102
+++ nodelist.h	6 Oct 2003 12:50:45 -0000	1.103
@@ -216,15 +216,46 @@
 	} \
 } while(0)
 
+static inline void paranoia_failed_dump(struct jffs2_eraseblock *jeb)
+{
+	struct jffs2_raw_node_ref *ref;
+	int i=0;
+
+	printk(KERN_NOTICE);
+	for (ref = jeb->first_node; ref; ref = ref->next_phys) {
+		printk("%08x->", ref_offset(ref));
+		if (++i == 8) {
+			i = 0;
+			printk("\n" KERN_NOTICE);
+		}
+	}
+	printk("\n");
+}
+
+
 #define ACCT_PARANOIA_CHECK(jeb) do { \
 		uint32_t my_used_size = 0; \
 		uint32_t my_unchecked_size = 0; \
 		struct jffs2_raw_node_ref *ref2 = jeb->first_node; \
 		while (ref2) { \
+			if (unlikely(ref2->flash_offset < jeb->offset || \
+				     ref2->flash_offset > jeb->offset + c->sector_size)) { \
+				printk(KERN_NOTICE "Node %08x shouldn't be in block at %08x!\n", \
+				       ref_offset(ref2), jeb->offset); \
+				paranoia_failed_dump(jeb); \
+				BUG(); \
+			} \
 			if (ref_flags(ref2) == REF_UNCHECKED) \
 				my_unchecked_size += ref2->totlen; \
 			else if (!ref_obsolete(ref2)) \
 				my_used_size += ref2->totlen; \
+			if (unlikely((!ref2->next_phys) != (ref2 == jeb->last_node))) { \
+				printk("ref for node at %p (phys %08x) has next_phys->%p (%08x), last_node->%p (phys %08x)\n", \
+				       ref2, ref_offset(ref2), ref2->next_phys, ref_offset(ref2->next_phys), \
+				       jeb->last_node, ref_offset(jeb->last_node)); \
+				paranoia_failed_dump(jeb); \
+				BUG(); \
+			} \
 			ref2 = ref2->next_phys; \
 		} \
 		if (my_used_size != jeb->used_size) { \