From: Artem B. Bityutskiy <dedekind@infradead.org>
Date: Sun, 24 Jul 2005 15:14:17 +0000 (+0100)
Subject: [JFFS2] Debug code clean up - step 3
X-Git-Tag: v2.6.15-rc1~448^2~89
X-Git-Url: http://ftp.safe.ca/?a=commitdiff_plain;h=e0c8e42f8f218063ff6838b25038ccef7ddf257e;p=safe%2Fjmp%2Flinux-2.6

[JFFS2] Debug code clean up - step 3

Various simplifiactions. printk format corrections.
Convert more code to use the new debug functions.

Signed-off-by: Artem B. Bityutskiy <dedekind@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

diff --git a/fs/jffs2/build.c b/fs/jffs2/build.c
index b87d401..f08984a 100644
--- a/fs/jffs2/build.c
+++ b/fs/jffs2/build.c
@@ -7,7 +7,7 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: build.c,v 1.74 2005/07/17 12:01:42 dedekind Exp $
+ * $Id: build.c,v 1.75 2005/07/22 10:32:07 dedekind Exp $
  *
  */
 
@@ -104,7 +104,7 @@ static int jffs2_build_filesystem(struct jffs2_sb_info *c)
 		goto exit;
 
 	D1(printk(KERN_DEBUG "Scanned flash completely\n"));
-	D2(jffs2_dbg_dump_block_lists(c));
+	jffs2_dbg_dump_block_lists_nolock(c);
 
 	c->flags |= JFFS2_SB_FLAG_BUILDING;
 	/* Now scan the directory tree, increasing nlink according to every dirent found. */
@@ -168,7 +168,7 @@ static int jffs2_build_filesystem(struct jffs2_sb_info *c)
 	c->flags &= ~JFFS2_SB_FLAG_BUILDING;
 	
 	D1(printk(KERN_DEBUG "Pass 3 complete\n"));
-	jffs2_dbg_dump_block_lists(c);
+	jffs2_dbg_dump_block_lists_nolock(c);
 
 	/* Rotate the lists by some number to ensure wear levelling */
 	jffs2_rotate_lists(c);
diff --git a/fs/jffs2/debug.c b/fs/jffs2/debug.c
index 9da524c..fb88eb1 100644
--- a/fs/jffs2/debug.c
+++ b/fs/jffs2/debug.c
@@ -7,18 +7,30 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: debug.c,v 1.1 2005/07/17 06:56:20 dedekind Exp $
+ * $Id: debug.c,v 1.7 2005/07/24 15:14:14 dedekind Exp $
  *
  */
 #include <linux/kernel.h>
 #include <linux/pagemap.h>
+#include <linux/crc32.h>
+#include <linux/jffs2.h>
 #include "nodelist.h"
 #include "debug.h"
 
 #ifdef JFFS2_DBG_PARANOIA_CHECKS
-
+/*
+ * Check the fragtree.
+ */
 void
-jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f)
+__jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f)
+{
+	down(&f->sem);
+	__jffs2_dbg_fragtree_paranoia_check_nolock(f);
+	up(&f->sem);
+}
+	
+void
+__jffs2_dbg_fragtree_paranoia_check_nolock(struct jffs2_inode_info *f)
 {
 	struct jffs2_node_frag *frag;
 	int bitched = 0;
@@ -31,7 +43,7 @@ jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f)
 
 		if (ref_flags(fn->raw) == REF_PRISTINE) {
 			if (fn->frags > 1) {
-				printk(KERN_ERR "REF_PRISTINE node at 0x%08x had %d frags. Tell dwmw2\n",
+				JFFS2_ERROR("REF_PRISTINE node at 0x%08x had %d frags. Tell dwmw2.\n",
 						ref_offset(fn->raw), fn->frags);
 				bitched = 1;
 			}
@@ -43,15 +55,15 @@ jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f)
 			   to tell a hole node. */
 			if (frag->ofs & (PAGE_CACHE_SIZE-1) && frag_prev(frag)
 					&& frag_prev(frag)->size < PAGE_CACHE_SIZE && frag_prev(frag)->node) {
-				printk(KERN_ERR "REF_PRISTINE node at 0x%08x had a previous non-hole frag "
-						"in the same page. Tell dwmw2\n", ref_offset(fn->raw));
+				JFFS2_ERROR("REF_PRISTINE node at 0x%08x had a previous non-hole frag "
+						"in the same page. Tell dwmw2.\n", ref_offset(fn->raw));
 				bitched = 1;
 			}
 
 			if ((frag->ofs+frag->size) & (PAGE_CACHE_SIZE-1) && frag_next(frag)
 					&& frag_next(frag)->size < PAGE_CACHE_SIZE && frag_next(frag)->node) {
-				printk(KERN_ERR "REF_PRISTINE node at 0x%08x (%08x-%08x) had a following "
-						"non-hole frag in the same page. Tell dwmw2\n",
+				JFFS2_ERROR("REF_PRISTINE node at 0x%08x (%08x-%08x) had a following "
+						"non-hole frag in the same page. Tell dwmw2.\n",
 					       ref_offset(fn->raw), frag->ofs, frag->ofs+frag->size);
 				bitched = 1;
 			}
@@ -59,8 +71,8 @@ jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f)
 	}
 
 	if (bitched) {
-		printk(KERN_ERR "Fragtree is corrupted. Fragtree dump:\n");
-		jffs2_dbg_dump_fragtree(f);
+		JFFS2_ERROR("fragtree is corrupted.\n");
+		__jffs2_dbg_dump_fragtree_nolock(f);
 		BUG();
 	}
 }
@@ -69,7 +81,8 @@ jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f)
  * Check if the flash contains all 0xFF before we start writing.
  */
 void
-jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c, uint32_t ofs, int len)
+__jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c,
+				    uint32_t ofs, int len)
 {
 	size_t retlen;
 	int ret, i;
@@ -81,8 +94,8 @@ jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c, uint32_t ofs, int len
 
 	ret = jffs2_flash_read(c, ofs, len, &retlen, buf);
 	if (ret || (retlen != len)) {
-		printk(KERN_WARNING "read %d bytes failed or short in %s(). ret %d, retlen %zd\n",
-				len, __FUNCTION__, ret, retlen);
+		JFFS2_WARNING("read %d bytes failed or short. ret %d, retlen %zd.\n",
+				len, ret, retlen);
 		kfree(buf);
 		return;
 	}
@@ -93,9 +106,9 @@ jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c, uint32_t ofs, int len
 			ret = 1;
 
 	if (ret) {
-		printk(KERN_ERR "ARGH. About to write node to %#08x on flash, but there are data "
-				"already there. The first corrupted byte is at %#08x.\n", ofs, ofs + i);
-		jffs2_dbg_dump_buffer(buf, len, ofs);
+		JFFS2_ERROR("argh, about to write node to %#08x on flash, but there are data "
+			"already there. The first corrupted byte is at %#08x offset.\n", ofs, ofs + i);
+		__jffs2_dbg_dump_buffer(buf, len, ofs);
 		kfree(buf);
 		BUG();
 	}
@@ -107,7 +120,17 @@ jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c, uint32_t ofs, int len
  * Check the space accounting and node_ref list correctness for the JFFS2 erasable block 'jeb'.
  */
 void
-jffs2_dbg_acct_paranoia_check(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
+__jffs2_dbg_acct_paranoia_check(struct jffs2_sb_info *c,
+				struct jffs2_eraseblock *jeb)
+{
+	spin_lock(&c->erase_completion_lock);
+	__jffs2_dbg_acct_paranoia_check_nolock(c, jeb);
+	spin_unlock(&c->erase_completion_lock);
+}
+	
+void
+__jffs2_dbg_acct_paranoia_check_nolock(struct jffs2_sb_info *c,
+				       struct jffs2_eraseblock *jeb)
 {
 	uint32_t my_used_size = 0;
 	uint32_t my_unchecked_size = 0;
@@ -119,11 +142,9 @@ jffs2_dbg_acct_paranoia_check(struct jffs2_sb_info *c, struct jffs2_eraseblock *
 
 		if (ref2->flash_offset < jeb->offset ||
 				ref2->flash_offset > jeb->offset + c->sector_size) {
-			printk(KERN_ERR "node_ref %#08x shouldn't be in block at %#08x!\n",
+			JFFS2_ERROR("node_ref %#08x shouldn't be in block at %#08x.\n",
 				ref_offset(ref2), jeb->offset);
-			jffs2_dbg_dump_node_refs(c, jeb);
-			jffs2_dbg_dump_block_lists(c);
-			BUG();
+			goto error;
 
 		}
 		if (ref_flags(ref2) == REF_UNCHECKED)
@@ -134,69 +155,82 @@ jffs2_dbg_acct_paranoia_check(struct jffs2_sb_info *c, struct jffs2_eraseblock *
 			my_dirty_size += totlen;
 
 		if ((!ref2->next_phys) != (ref2 == jeb->last_node)) {
-			printk(KERN_ERR "node_ref for node at %#08x (mem %p) has next_phys at %#08x (mem %p), "
-					"last_node is at %#08x (mem %p)\n",
-					ref_offset(ref2), ref2, ref_offset(ref2->next_phys), ref2->next_phys,
-					ref_offset(jeb->last_node), jeb->last_node);
-			jffs2_dbg_dump_node_refs(c, jeb);
-			jffs2_dbg_dump_block_lists(c);
-			BUG();
+			JFFS2_ERROR("node_ref for node at %#08x (mem %p) has next_phys at %#08x (mem %p), "
+				"last_node is at %#08x (mem %p).\n",
+				ref_offset(ref2), ref2, ref_offset(ref2->next_phys), ref2->next_phys,
+				ref_offset(jeb->last_node), jeb->last_node);
+			goto error;
 		}
 		ref2 = ref2->next_phys;
 	}
 
 	if (my_used_size != jeb->used_size) {
-		printk(KERN_ERR "Calculated used size %#08x != stored used size %#08x\n",
-				my_used_size, jeb->used_size);
-		jffs2_dbg_dump_node_refs(c, jeb);
-		jffs2_dbg_dump_block_lists(c);
-		BUG();
+		JFFS2_ERROR("Calculated used size %#08x != stored used size %#08x.\n",
+			my_used_size, jeb->used_size);
+		goto error;
 	}
 
 	if (my_unchecked_size != jeb->unchecked_size) {
-		printk(KERN_ERR "Calculated unchecked size %#08x != stored unchecked size %#08x\n",
-				my_unchecked_size, jeb->unchecked_size);
-		jffs2_dbg_dump_node_refs(c, jeb);
-		jffs2_dbg_dump_block_lists(c);
-		BUG();
+		JFFS2_ERROR("Calculated unchecked size %#08x != stored unchecked size %#08x.\n",
+			my_unchecked_size, jeb->unchecked_size);
+		goto error;
 	}
 
+#if 0
+	/* This should work when we implement ref->__totlen elemination */
 	if (my_dirty_size != jeb->dirty_size + jeb->wasted_size) {
-		printk(KERN_ERR "Calculated dirty+wasted size %#08x != stored dirty + wasted size %#08x\n",
+		JFFS2_ERROR("Calculated dirty+wasted size %#08x != stored dirty + wasted size %#08x\n",
 			my_dirty_size, jeb->dirty_size + jeb->wasted_size);
-		jffs2_dbg_dump_node_refs(c, jeb);
-		jffs2_dbg_dump_block_lists(c);
-		BUG();
+		goto error;
 	}
 
 	if (jeb->free_size == 0
 		&& my_used_size + my_unchecked_size + my_dirty_size != c->sector_size) {
-		printk(KERN_ERR "The sum of all nodes in block (%#x) != size of block (%#x)\n",
+		JFFS2_ERROR("The sum of all nodes in block (%#x) != size of block (%#x)\n",
 			my_used_size + my_unchecked_size + my_dirty_size,
 			c->sector_size);
-		jffs2_dbg_dump_node_refs(c, jeb);
-		jffs2_dbg_dump_block_lists(c);
-		BUG();
+		goto error;
 	}
+#endif
+
+	return;
+
+error:
+	__jffs2_dbg_dump_node_refs_nolock(c, jeb);
+	__jffs2_dbg_dump_jeb_nolock(jeb);
+	__jffs2_dbg_dump_block_lists_nolock(c);
+	BUG();
+	
 }
-#endif /* JFFS2_PARANOIA_CHECKS */
+#endif /* JFFS2_DBG_PARANOIA_CHECKS */
 
-#if defined(JFFS2_PARANOIA_CHECKS) || (CONFIG_JFFS2_FS_DEBUG > 0)
+#if defined(JFFS2_DBG_DUMPS) || defined(JFFS2_DBG_PARANOIA_CHECKS)
 /*
  * Dump the node_refs of the 'jeb' JFFS2 eraseblock.
  */
 void
-jffs2_dbg_dump_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
+__jffs2_dbg_dump_node_refs(struct jffs2_sb_info *c,
+			   struct jffs2_eraseblock *jeb)
+{
+	spin_lock(&c->erase_completion_lock);
+	__jffs2_dbg_dump_node_refs_nolock(c, jeb);
+	spin_unlock(&c->erase_completion_lock);
+}
+
+void
+__jffs2_dbg_dump_node_refs_nolock(struct jffs2_sb_info *c,
+				  struct jffs2_eraseblock *jeb)
 {
 	struct jffs2_raw_node_ref *ref;
 	int i = 0;
 
+	JFFS2_DEBUG("Dump node_refs of the eraseblock %#08x\n", jeb->offset);
 	if (!jeb->first_node) {
-		printk(KERN_DEBUG "no nodes in block %#08x\n", jeb->offset);
+		JFFS2_DEBUG("no nodes in the eraseblock %#08x\n", jeb->offset);
 		return;
 	}
 
-	printk(KERN_DEBUG);
+	printk(JFFS2_DBG_LVL);
 	for (ref = jeb->first_node; ; ref = ref->next_phys) {
 		printk("%#08x(%#x)", ref_offset(ref), ref->__totlen);
 		if (ref->next_phys)
@@ -205,46 +239,83 @@ jffs2_dbg_dump_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
 			break;
 		if (++i == 4) {
 			i = 0;
-			printk("\n" KERN_DEBUG);
+			printk("\n" JFFS2_DBG_LVL);
 		}
 	}
 	printk("\n");
 }
 
+/*
+ * Dump an eraseblock's space accounting.
+ */
+void
+__jffs2_dbg_dump_jeb(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
+{
+	spin_lock(&c->erase_completion_lock);
+	__jffs2_dbg_dump_jeb_nolock(jeb);
+	spin_unlock(&c->erase_completion_lock);
+}
+
 void
-jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
+__jffs2_dbg_dump_jeb_nolock(struct jffs2_eraseblock *jeb)
 {
-	printk(KERN_DEBUG "flash_size: %#08x\n",	c->flash_size);
-	printk(KERN_DEBUG "used_size: %#08x\n",		c->used_size);
-	printk(KERN_DEBUG "dirty_size: %#08x\n",	c->dirty_size);
-	printk(KERN_DEBUG "wasted_size: %#08x\n",	c->wasted_size);
-	printk(KERN_DEBUG "unchecked_size: %#08x\n",	c->unchecked_size);
-	printk(KERN_DEBUG "free_size: %#08x\n",		c->free_size);
-	printk(KERN_DEBUG "erasing_size: %#08x\n",	c->erasing_size);
-	printk(KERN_DEBUG "bad_size: %#08x\n",		c->bad_size);
-	printk(KERN_DEBUG "sector_size: %#08x\n",	c->sector_size);
-	printk(KERN_DEBUG "jffs2_reserved_blocks size: %#08x\n",
+	if (!jeb)
+		return;
+
+	JFFS2_DEBUG("dump space accounting for the eraseblock at %#08x:\n",
+			jeb->offset);
+
+	printk(JFFS2_DBG_LVL "used_size: %#08x\n",	jeb->used_size);
+	printk(JFFS2_DBG_LVL "dirty_size: %#08x\n",	jeb->dirty_size);
+	printk(JFFS2_DBG_LVL "wasted_size: %#08x\n",	jeb->wasted_size);
+	printk(JFFS2_DBG_LVL "unchecked_size: %#08x\n",	jeb->unchecked_size);
+	printk(JFFS2_DBG_LVL "free_size: %#08x\n",	jeb->free_size);
+}
+
+void
+__jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
+{
+	spin_lock(&c->erase_completion_lock);
+	__jffs2_dbg_dump_block_lists_nolock(c);
+	spin_unlock(&c->erase_completion_lock);
+}
+
+void
+__jffs2_dbg_dump_block_lists_nolock(struct jffs2_sb_info *c)
+{
+	JFFS2_DEBUG("dump JFFS2 blocks lists:\n");
+	
+	printk(JFFS2_DBG_LVL "flash_size: %#08x\n",	c->flash_size);
+	printk(JFFS2_DBG_LVL "used_size: %#08x\n",	c->used_size);
+	printk(JFFS2_DBG_LVL "dirty_size: %#08x\n",	c->dirty_size);
+	printk(JFFS2_DBG_LVL "wasted_size: %#08x\n",	c->wasted_size);
+	printk(JFFS2_DBG_LVL "unchecked_size: %#08x\n",	c->unchecked_size);
+	printk(JFFS2_DBG_LVL "free_size: %#08x\n",	c->free_size);
+	printk(JFFS2_DBG_LVL "erasing_size: %#08x\n",	c->erasing_size);
+	printk(JFFS2_DBG_LVL "bad_size: %#08x\n",	c->bad_size);
+	printk(JFFS2_DBG_LVL "sector_size: %#08x\n",	c->sector_size);
+	printk(JFFS2_DBG_LVL "jffs2_reserved_blocks size: %#08x\n",
 				c->sector_size * c->resv_blocks_write);
 
 	if (c->nextblock)
-		printk(KERN_DEBUG "nextblock: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
-				"unchecked %#08x, free %#08x)\n",
-				c->nextblock->offset, c->nextblock->used_size,
-				c->nextblock->dirty_size, c->nextblock->wasted_size,
-				c->nextblock->unchecked_size, c->nextblock->free_size);
+		printk(JFFS2_DBG_LVL "nextblock: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
+			"unchecked %#08x, free %#08x)\n",
+			c->nextblock->offset, c->nextblock->used_size,
+			c->nextblock->dirty_size, c->nextblock->wasted_size,
+			c->nextblock->unchecked_size, c->nextblock->free_size);
 	else
-		printk(KERN_DEBUG "nextblock: NULL\n");
+		printk(JFFS2_DBG_LVL "nextblock: NULL\n");
 
 	if (c->gcblock)
-		printk(KERN_DEBUG "gcblock: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
-				"unchecked %#08x, free %#08x)\n",
-				c->gcblock->offset, c->gcblock->used_size, c->gcblock->dirty_size,
-				c->gcblock->wasted_size, c->gcblock->unchecked_size, c->gcblock->free_size);
+		printk(JFFS2_DBG_LVL "gcblock: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
+			"unchecked %#08x, free %#08x)\n",
+			c->gcblock->offset, c->gcblock->used_size, c->gcblock->dirty_size,
+			c->gcblock->wasted_size, c->gcblock->unchecked_size, c->gcblock->free_size);
 	else
-		printk(KERN_DEBUG "gcblock: NULL\n");
+		printk(JFFS2_DBG_LVL "gcblock: NULL\n");
 
 	if (list_empty(&c->clean_list)) {
-		printk(KERN_DEBUG "clean_list: empty\n");
+		printk(JFFS2_DBG_LVL "clean_list: empty\n");
 	} else {
 		struct list_head *this;
 		int numblocks = 0;
@@ -255,19 +326,19 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
 			numblocks ++;
 			dirty += jeb->wasted_size;
 			if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
-				printk(KERN_DEBUG "clean_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
-						"unchecked %#08x, free %#08x)\n",
-						jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
-						jeb->unchecked_size, jeb->free_size);
+				printk(JFFS2_DBG_LVL "clean_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
+					"unchecked %#08x, free %#08x)\n",
+					jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
+					jeb->unchecked_size, jeb->free_size);
 			}
 		}
 
-		printk (KERN_DEBUG "Contains %d blocks with total wasted size %u, average wasted size: %u\n",
-				numblocks, dirty, dirty / numblocks);
+		printk (JFFS2_DBG_LVL "Contains %d blocks with total wasted size %u, average wasted size: %u\n",
+			numblocks, dirty, dirty / numblocks);
 	}
 
 	if (list_empty(&c->very_dirty_list)) {
-		printk(KERN_DEBUG "very_dirty_list: empty\n");
+		printk(JFFS2_DBG_LVL "very_dirty_list: empty\n");
 	} else {
 		struct list_head *this;
 		int numblocks = 0;
@@ -279,19 +350,19 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
 			numblocks ++;
 			dirty += jeb->dirty_size;
 			if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
-				printk(KERN_DEBUG "very_dirty_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
-						"unchecked %#08x, free %#08x)\n",
-						jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
-						jeb->unchecked_size, jeb->free_size);
+				printk(JFFS2_DBG_LVL "very_dirty_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
+					"unchecked %#08x, free %#08x)\n",
+					jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
+					jeb->unchecked_size, jeb->free_size);
 			}
 		}
 
-		printk (KERN_DEBUG "Contains %d blocks with total dirty size %u, average dirty size: %u\n",
-				numblocks, dirty, dirty / numblocks);
+		printk (JFFS2_DBG_LVL "Contains %d blocks with total dirty size %u, average dirty size: %u\n",
+			numblocks, dirty, dirty / numblocks);
 	}
 
 	if (list_empty(&c->dirty_list)) {
-		printk(KERN_DEBUG "dirty_list: empty\n");
+		printk(JFFS2_DBG_LVL "dirty_list: empty\n");
 	} else {
 		struct list_head *this;
 		int numblocks = 0;
@@ -303,19 +374,19 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
 			numblocks ++;
 			dirty += jeb->dirty_size;
 			if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
-				printk(KERN_DEBUG "dirty_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
-						"unchecked %#08x, free %#08x)\n",
-						jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
-						jeb->unchecked_size, jeb->free_size);
+				printk(JFFS2_DBG_LVL "dirty_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
+					"unchecked %#08x, free %#08x)\n",
+					jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
+					jeb->unchecked_size, jeb->free_size);
 			}
 		}
 
-		printk (KERN_DEBUG "Contains %d blocks with total dirty size %u, average dirty size: %u\n",
+		printk (JFFS2_DBG_LVL "contains %d blocks with total dirty size %u, average dirty size: %u\n",
 			numblocks, dirty, dirty / numblocks);
 	}
 
 	if (list_empty(&c->erasable_list)) {
-		printk(KERN_DEBUG "erasable_list: empty\n");
+		printk(JFFS2_DBG_LVL "erasable_list: empty\n");
 	} else {
 		struct list_head *this;
 
@@ -323,16 +394,16 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
 			struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
 
 			if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
-				printk(KERN_DEBUG "erasable_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
-						"unchecked %#08x, free %#08x)\n",
-						jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
-						jeb->unchecked_size, jeb->free_size);
+				printk(JFFS2_DBG_LVL "erasable_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
+					"unchecked %#08x, free %#08x)\n",
+					jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
+					jeb->unchecked_size, jeb->free_size);
 			}
 		}
 	}
 
 	if (list_empty(&c->erasing_list)) {
-		printk(KERN_DEBUG "erasing_list: empty\n");
+		printk(JFFS2_DBG_LVL "erasing_list: empty\n");
 	} else {
 		struct list_head *this;
 
@@ -340,16 +411,16 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
 			struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
 
 			if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
-				printk(KERN_DEBUG "erasing_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
-						"unchecked %#08x, free %#08x)\n",
-						jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
-						jeb->unchecked_size, jeb->free_size);
+				printk(JFFS2_DBG_LVL "erasing_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
+					"unchecked %#08x, free %#08x)\n",
+					jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
+					jeb->unchecked_size, jeb->free_size);
 			}
 		}
 	}
 
 	if (list_empty(&c->erase_pending_list)) {
-		printk(KERN_DEBUG "erase_pending_list: empty\n");
+		printk(JFFS2_DBG_LVL "erase_pending_list: empty\n");
 	} else {
 		struct list_head *this;
 
@@ -357,16 +428,16 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
 			struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
 
 			if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
-				printk(KERN_DEBUG "erase_pending_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
-						"unchecked %#08x, free %#08x)\n",
-						jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
-						jeb->unchecked_size, jeb->free_size);
+				printk(JFFS2_DBG_LVL "erase_pending_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
+					"unchecked %#08x, free %#08x)\n",
+					jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
+					jeb->unchecked_size, jeb->free_size);
 			}
 		}
 	}
 
 	if (list_empty(&c->erasable_pending_wbuf_list)) {
-		printk(KERN_DEBUG "erasable_pending_wbuf_list: empty\n");
+		printk(JFFS2_DBG_LVL "erasable_pending_wbuf_list: empty\n");
 	} else {
 		struct list_head *this;
 
@@ -374,16 +445,16 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
 			struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
 
 			if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
-				printk(KERN_DEBUG "erasable_pending_wbuf_list: %#08x (used %#08x, dirty %#08x, "
-						"wasted %#08x, unchecked %#08x, free %#08x)\n",
-						jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
-						jeb->unchecked_size, jeb->free_size);
+				printk(JFFS2_DBG_LVL "erasable_pending_wbuf_list: %#08x (used %#08x, dirty %#08x, "
+					"wasted %#08x, unchecked %#08x, free %#08x)\n",
+					jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
+					jeb->unchecked_size, jeb->free_size);
 			}
 		}
 	}
 
 	if (list_empty(&c->free_list)) {
-		printk(KERN_DEBUG "free_list: empty\n");
+		printk(JFFS2_DBG_LVL "free_list: empty\n");
 	} else {
 		struct list_head *this;
 
@@ -391,16 +462,16 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
 			struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
 
 			if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
-				printk(KERN_DEBUG "free_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
-						"unchecked %#08x, free %#08x)\n",
-						jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
-						jeb->unchecked_size, jeb->free_size);
+				printk(JFFS2_DBG_LVL "free_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
+					"unchecked %#08x, free %#08x)\n",
+					jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
+					jeb->unchecked_size, jeb->free_size);
 			}
 		}
 	}
 
 	if (list_empty(&c->bad_list)) {
-		printk(KERN_DEBUG "bad_list: empty\n");
+		printk(JFFS2_DBG_LVL "bad_list: empty\n");
 	} else {
 		struct list_head *this;
 
@@ -408,16 +479,16 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
 			struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
 
 			if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
-				printk(KERN_DEBUG "bad_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
-						"unchecked %#08x, free %#08x)\n",
-						jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
-						jeb->unchecked_size, jeb->free_size);
+				printk(JFFS2_DBG_LVL "bad_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
+					"unchecked %#08x, free %#08x)\n",
+					jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
+					jeb->unchecked_size, jeb->free_size);
 			}
 		}
 	}
 
 	if (list_empty(&c->bad_used_list)) {
-		printk(KERN_DEBUG "bad_used_list: empty\n");
+		printk(JFFS2_DBG_LVL "bad_used_list: empty\n");
 	} else {
 		struct list_head *this;
 
@@ -425,34 +496,42 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
 			struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
 
 			if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
-				printk(KERN_DEBUG "bad_used_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
-						"unchecked %#08x, free %#08x)\n",
-						jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
-						jeb->unchecked_size, jeb->free_size);
+				printk(JFFS2_DBG_LVL "bad_used_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
+					"unchecked %#08x, free %#08x)\n",
+					jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
+					jeb->unchecked_size, jeb->free_size);
 			}
 		}
 	}
 }
 
 void
-jffs2_dbg_dump_fragtree(struct jffs2_inode_info *f)
+__jffs2_dbg_dump_fragtree(struct jffs2_inode_info *f)
+{
+	down(&f->sem);
+	jffs2_dbg_dump_fragtree_nolock(f);
+	up(&f->sem);
+}
+
+void
+__jffs2_dbg_dump_fragtree_nolock(struct jffs2_inode_info *f)
 {
 	struct jffs2_node_frag *this = frag_first(&f->fragtree);
 	uint32_t lastofs = 0;
 	int buggy = 0;
 
-	printk(KERN_DEBUG "inode is ino #%u\n", f->inocache->ino);
+	JFFS2_DEBUG("dump fragtree of ino #%u\n", f->inocache->ino);
 	while(this) {
 		if (this->node)
-			printk(KERN_DEBUG "frag %#04x-%#04x: %#08x(%d) on flash (*%p), left (%p), "
-					"right (%p), parent (%p)\n",
-					this->ofs, this->ofs+this->size, ref_offset(this->node->raw),
-					ref_flags(this->node->raw), this, frag_left(this), frag_right(this),
-					frag_parent(this));
+			printk(JFFS2_DBG_LVL "frag %#04x-%#04x: %#08x(%d) on flash (*%p), left (%p), "
+				"right (%p), parent (%p)\n",
+				this->ofs, this->ofs+this->size, ref_offset(this->node->raw),
+				ref_flags(this->node->raw), this, frag_left(this), frag_right(this),
+				frag_parent(this));
 		else
-			printk(KERN_DEBUG "frag %#04x-%#04x: hole (*%p). left (%p), right (%p), parent (%p)\n",
-					this->ofs, this->ofs+this->size, this, frag_left(this),
-					frag_right(this), frag_parent(this));
+			printk(JFFS2_DBG_LVL "frag %#04x-%#04x: hole (*%p). left (%p), right (%p), parent (%p)\n",
+				this->ofs, this->ofs+this->size, this, frag_left(this),
+				frag_right(this), frag_parent(this));
 		if (this->ofs != lastofs)
 			buggy = 1;
 		lastofs = this->ofs + this->size;
@@ -460,36 +539,171 @@ jffs2_dbg_dump_fragtree(struct jffs2_inode_info *f)
 	}
 
 	if (f->metadata)
-		printk(KERN_DEBUG "metadata at 0x%08x\n", ref_offset(f->metadata->raw));
+		printk(JFFS2_DBG_LVL "metadata at 0x%08x\n", ref_offset(f->metadata->raw));
 
 	if (buggy) {
-		printk(KERN_ERR "Error! %s(): Frag tree got a hole in it\n", __FUNCTION__);
+		JFFS2_ERROR("frag tree got a hole in it.\n");
 		BUG();
 	}
 }
 
-#define JFFS3_BUFDUMP_BYTES_PER_LINE	8
+#define JFFS2_BUFDUMP_BYTES_PER_LINE	32
 void
-jffs2_dbg_dump_buffer(char *buf, int len, uint32_t offs)
+__jffs2_dbg_dump_buffer(unsigned char *buf, int len, uint32_t offs)
 {
-	int i = 0;
-	int skip = offs & ~(JFFS3_BUFDUMP_BYTES_PER_LINE - 1);
+	int skip;
+	int i;
+	
+	JFFS2_DEBUG("dump from offset %#08x to offset %#08x (%x bytes).\n",
+		offs, offs + len, len);
+	i = skip = offs % JFFS2_BUFDUMP_BYTES_PER_LINE;
+	offs = offs & ~(JFFS2_BUFDUMP_BYTES_PER_LINE - 1);
+	
+	if (skip != 0)
+		printk(JFFS2_DBG_LVL "%#08x: ", offs);
+	
+	while (skip--)
+		printk("   ");
 
 	while (i < len) {
-		int j = 0;
-
-		printk(KERN_DEBUG "0x#x: \n");
-		while (skip) {
-			printk("   ");
-			skip -= 1;
+		if ((i % JFFS2_BUFDUMP_BYTES_PER_LINE) == 0 && i != len -1) {
+			if (i != 0)
+				printk("\n");
+			offs += JFFS2_BUFDUMP_BYTES_PER_LINE;
+			printk(JFFS2_DBG_LVL "%0#8x: ", offs);
 		}
 
-		while (j < JFFS3_BUFDUMP_BYTES_PER_LINE) {
-			if (i + j < len)
-				printk(" %#02x", buf[i + j++]);
+		printk("%02x ", buf[i]);
+		
+		i += 1;
+	}
+
+	printk("\n");
+}
+
+/*
+ * Dump a JFFS2 node.
+ */
+void
+__jffs2_dbg_dump_node(struct jffs2_sb_info *c, uint32_t ofs)
+{
+	union jffs2_node_union node;
+	int len = sizeof(union jffs2_node_union);
+	size_t retlen;
+	uint32_t crc;
+	int ret;
+	
+	JFFS2_DEBUG("dump node at offset %#08x.\n", ofs);
+
+	ret = jffs2_flash_read(c, ofs, len, &retlen, (unsigned char *)&node);
+	if (ret || (retlen != len)) {
+		JFFS2_ERROR("read %d bytes failed or short. ret %d, retlen %zd.\n",
+			len, ret, retlen);
+		return;
+	}
+
+	printk(JFFS2_DBG_LVL "magic:\t%#04x\n",
+		je16_to_cpu(node.u.magic));
+	printk(JFFS2_DBG_LVL "nodetype:\t%#04x\n",
+		je16_to_cpu(node.u.nodetype));
+	printk(JFFS2_DBG_LVL "totlen:\t%#08x\n",
+		je32_to_cpu(node.u.totlen));
+	printk(JFFS2_DBG_LVL "hdr_crc:\t%#08x\n",
+		je32_to_cpu(node.u.hdr_crc));
+	
+	crc = crc32(0, &node.u, sizeof(node.u) - 4);
+	if (crc != je32_to_cpu(node.u.hdr_crc)) {
+		JFFS2_ERROR("wrong common header CRC.\n");
+		return;
+	}
+	
+	if (je16_to_cpu(node.u.magic) != JFFS2_MAGIC_BITMASK &&
+		je16_to_cpu(node.u.magic) != JFFS2_OLD_MAGIC_BITMASK)
+	{
+		JFFS2_ERROR("wrong node magic: %#04x instead of %#04x.\n",
+			je16_to_cpu(node.u.magic), JFFS2_MAGIC_BITMASK);
+		return;
+	}
+
+	switch(je16_to_cpu(node.u.nodetype)) {
+
+	case JFFS2_NODETYPE_INODE:
+
+		printk(JFFS2_DBG_LVL "the node is inode node\n");
+		printk(JFFS2_DBG_LVL "ino:\t%#08x\n",
+				je32_to_cpu(node.i.ino));
+		printk(JFFS2_DBG_LVL "version:\t%#08x\n",
+				je32_to_cpu(node.i.version));
+		printk(JFFS2_DBG_LVL "mode:\t%#08x\n",
+				node.i.mode.m);
+		printk(JFFS2_DBG_LVL "uid:\t%#04x\n",
+				je16_to_cpu(node.i.uid));
+		printk(JFFS2_DBG_LVL "gid:\t%#04x\n",
+				je16_to_cpu(node.i.gid));
+		printk(JFFS2_DBG_LVL "isize:\t%#08x\n",
+				je32_to_cpu(node.i.isize));
+		printk(JFFS2_DBG_LVL "atime:\t%#08x\n",
+				je32_to_cpu(node.i.atime));
+		printk(JFFS2_DBG_LVL "mtime:\t%#08x\n",
+				je32_to_cpu(node.i.mtime));
+		printk(JFFS2_DBG_LVL "ctime:\t%#08x\n",
+				je32_to_cpu(node.i.ctime));
+		printk(JFFS2_DBG_LVL "offset:\t%#08x\n",
+				je32_to_cpu(node.i.offset));
+		printk(JFFS2_DBG_LVL "csize:\t%#08x\n",
+				je32_to_cpu(node.i.csize));
+		printk(JFFS2_DBG_LVL "dsize:\t%#08x\n",
+				je32_to_cpu(node.i.dsize));
+		printk(JFFS2_DBG_LVL "compr:\t%#02x\n",
+				node.i.compr);
+		printk(JFFS2_DBG_LVL "usercompr:\t%#02x\n",
+				node.i.usercompr);
+		printk(JFFS2_DBG_LVL "flags:\t%#04x\n",
+				je16_to_cpu(node.i.flags));
+		printk(JFFS2_DBG_LVL "data_crc:\t%#08x\n",
+				je32_to_cpu(node.i.data_crc));
+		printk(JFFS2_DBG_LVL "node_crc:\t%#08x\n",
+				je32_to_cpu(node.i.node_crc));
+		crc = crc32(0, &node.i, sizeof(node.i) - 8); 
+		if (crc != je32_to_cpu(node.i.node_crc)) {
+			JFFS2_ERROR("wrong node header CRC.\n");
+			return;
+		}
+		break;
+
+	case JFFS2_NODETYPE_DIRENT:
+
+		printk(JFFS2_DBG_LVL "the node is dirent node\n");
+		printk(JFFS2_DBG_LVL "pino:\t%#08x\n",
+				je32_to_cpu(node.d.pino));
+		printk(JFFS2_DBG_LVL "version:\t%#08x\n",
+				je32_to_cpu(node.d.version));
+		printk(JFFS2_DBG_LVL "ino:\t%#08x\n",
+				je32_to_cpu(node.d.ino));
+		printk(JFFS2_DBG_LVL "mctime:\t%#08x\n",
+				je32_to_cpu(node.d.mctime));
+		printk(JFFS2_DBG_LVL "nsize:\t%#02x\n",
+				node.d.nsize);
+		printk(JFFS2_DBG_LVL "type:\t%#02x\n",
+				node.d.type);
+		printk(JFFS2_DBG_LVL "node_crc:\t%#08x\n",
+				je32_to_cpu(node.d.node_crc));
+		printk(JFFS2_DBG_LVL "name_crc:\t%#08x\n",
+				je32_to_cpu(node.d.name_crc));
+		
+		node.d.name[node.d.nsize] = '\0';
+		printk(JFFS2_DBG_LVL "name:\t\"%s\"\n", node.d.name);
+
+		crc = crc32(0, &node.d, sizeof(node.d) - 8); 
+		if (crc != je32_to_cpu(node.d.node_crc)) {
+			JFFS2_ERROR("wrong node header CRC.\n");
+			return;
 		}
+		break;
 
-		i += JFFS3_BUFDUMP_BYTES_PER_LINE;
+	default:
+		printk(JFFS2_DBG_LVL "node type is unknown\n");
+		break;
 	}
 }
-#endif /* JFFS2_PARANOIA_CHECKS || CONFIG_JFFS2_FS_DEBUG > 0 */
+#endif /* JFFS2_DBG_DUMPS || JFFS2_DBG_PARANOIA_CHECKS */
diff --git a/fs/jffs2/debug.h b/fs/jffs2/debug.h
index 7d14f7b..51ff099 100644
--- a/fs/jffs2/debug.h
+++ b/fs/jffs2/debug.h
@@ -7,7 +7,7 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: debug.h,v 1.1 2005/07/17 06:56:20 dedekind Exp $
+ * $Id: debug.h,v 1.5 2005/07/24 15:14:14 dedekind Exp $
  *
  */
 #ifndef _JFFS2_DEBUG_H_
@@ -15,12 +15,52 @@
 
 #include <linux/config.h>
 
+/* ------------------------------------------------ */
+/* TODO: remove */
+#undef CONFIG_JFFS2_FS_DEBUG
+#define CONFIG_JFFS2_FS_DEBUG 0
+//#define JFFS2_DBG_PARANOIA_CHECKS
+//#define JFFS2_DBG_DUMPS
+#define JFFS2_DBG_READINODE_MESSAGES
+//#define JFFS2_DBG_FRAGTREE_MESSAGES
+//#define JFFS2_DBG_FRAGTREE2_MESSAGES
+#undef KERN_DEBUG
+#undef KERN_WARNING
+#undef KERN_NOTICE
+#undef KERN_ERR
+#define KERN_DEBUG   KERN_CRIT
+#define KERN_WARNING KERN_CRIT
+#define KERN_NOTICE  KERN_CRIT
+#define KERN_ERR     KERN_CRIT
+/* ------------------------------------------------ */
+
 #ifndef CONFIG_JFFS2_FS_DEBUG
 #define CONFIG_JFFS2_FS_DEBUG 1
 #endif
 
-#if CONFIG_JFFS2_FS_DEBUG > 0
+#if CONFIG_JFFS2_FS_DEBUG == 1
+/* Enable "paranoia" checks and dumps */
 #define JFFS2_DBG_PARANOIA_CHECKS
+#define JFFS2_DBG_DUMPS
+#define JFFS2_DBG_READINODE_MESSAGES
+#define JFFS2_DBG_FRAGTREE_MESSAGES
+#define JFFS2_DBG_DENTLIST_MESSAGES
+#define JFFS2_DBG_NODEREF_MESSAGES
+#define JFFS2_DBG_INOCACHE_MESSAGES
+#endif
+
+#if CONFIG_JFFS2_FS_DEBUG == 2
+#define JFFS2_DBG_FRAGTREE2_MESSAGES
+#endif
+
+/* Enable JFFS2 sanity checks by default */
+#define JFFS2_DBG_SANITY_CHECKS
+
+/* 
+ * Dx() are mainly used for debugging messages, they must go away and be
+ * superseded by nicer JFFS2_DBG_XXX() macros...
+ */
+#if CONFIG_JFFS2_FS_DEBUG > 0
 #define D1(x) x
 #else
 #define D1(x)
@@ -32,73 +72,216 @@
 #define D2(x)
 #endif
 
-/* Enable JFFS2 sanity checks */
-#define JFFS2_DBG_SANITY_CHECKS
+/* The prefixes of JFFS2 messages */
+#define JFFS2_DBG_MSG_PREFIX "[JFFS2 DBG]"
+#define JFFS2_ERR_MSG_PREFIX "JFFS2 error: "
+#define JFFS2_WARN_MSG_PREFIX "JFFS2 warning: "
+#define JFFS2_NOTICE_MSG_PREFIX "JFFS2 notice: "
 
-#if CONFIG_JFFS2_FS_DEBUG > 0
-void
-jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c);
+#define JFFS2_ERR_LVL		KERN_ERR
+#define JFFS2_WARN_LVL		KERN_WARNING
+#define JFFS2_NOTICE_LVL	KERN_NOTICE
+#define JFFS2_DBG_LVL		KERN_DEBUG
 
-void
-jffs2_dbg_dump_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb);
+/* JFFS2 message macros */
+#define JFFS2_ERROR(fmt, ...)						\
+	do {								\
+		printk(JFFS2_ERR_LVL JFFS2_ERR_MSG_PREFIX " %s: "	\
+				fmt, __FUNCTION__, ##__VA_ARGS__);	\
+	} while(0)
 
-void
-jffs2_dbg_dump_fragtree(struct jffs2_inode_info *f);
+#define JFFS2_WARNING(fmt, ...)						\
+	do {								\
+		printk(JFFS2_WARN_LVL JFFS2_WARN_MSG_PREFIX " %s: "	\
+				fmt, __FUNCTION__, ##__VA_ARGS__);	\
+	} while(0)
+			
+#define JFFS2_NOTICE(fmt, ...)						\
+	do {								\
+		printk(JFFS2_NOTICE_LVL JFFS2_NOTICE_MSG_PREFIX " %s: "	\
+				fmt, __FUNCTION__, ##__VA_ARGS__);	\
+	} while(0)
 
-void
-jffs2_dbg_dump_buffer(char *buf, int len, uint32_t offs);
+#define JFFS2_DEBUG(fmt, ...)						\
+	do {								\
+		printk(JFFS2_DBG_LVL JFFS2_DBG_MSG_PREFIX " %s: "	\
+				fmt, __FUNCTION__, ##__VA_ARGS__);	\
+	} while(0)
+
+/* 
+ * We split our debugging messages on several parts, depending on the JFFS2
+ * subsystem the message belongs to.
+ */
+/* Read inode debugging messages */
+#ifdef JFFS2_DBG_READINODE_MESSAGES
+#define JFFS2_DBG_READINODE(fmt, ...)	JFFS2_DEBUG(fmt, ##__VA_ARGS__)
+#else
+#define JFFS2_DBG_READINODE(fmt, ...)
 #endif
 
-#ifdef JFFS2_DBG_PARANOIA_CHECKS
-void
-jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f);
+/* Fragtree build debugging messages */
+#ifdef JFFS2_DBG_FRAGTREE_MESSAGES
+#define JFFS2_DBG_FRAGTREE(fmt, ...)	JFFS2_DEBUG(fmt, ##__VA_ARGS__)
+#else
+#define JFFS2_DBG_FRAGTREE(fmt, ...)
+#endif
+
+/* Directory entry list manilulation debugging messages */
+#ifdef JFFS2_DBG_DENTLIST_MESSAGES
+#define JFFS2_DBG_DENTLIST(fmt, ...)	JFFS2_DEBUG(fmt, ##__VA_ARGS__)
+#else
+#define JFFS2_DBG_DENTLIST(fmt, ...)
+#endif
+#ifdef JFFS2_DBG_FRAGTREE2_MESSAGES
+#define JFFS2_DBG_FRAGTREE2(fmt, ...)	JFFS2_DEBUG(fmt, ##__VA_ARGS__)
+#else
+#define JFFS2_DBG_FRAGTREE2(fmt, ...)
+#endif
+
+/* Plays with node_refs */
+#ifdef JFFS2_DBG_NODEREF_MESSAGES
+#define JFFS2_DBG_NODEREF(fmt, ...)	JFFS2_DEBUG(fmt, ##__VA_ARGS__)
+#else
+#define JFFS2_DBG_NODEREF(fmt, ...)
+#endif
 
+/* Plays with the list of inodes (JFFS2 inocache) */
+#ifdef JFFS2_DBG_INOCACHE_MESSAGES
+#define JFFS2_DBG_INOCACHE(fmt, ...)	JFFS2_DEBUG(fmt, ##__VA_ARGS__)
+#else
+#define JFFS2_DBG_INOCACHE(fmt, ...)
+#endif
+
+/* "Paranoia" checks */
+void
+__jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f);
 void
-jffs2_dbg_acct_paranoia_check(struct jffs2_sb_info *c,
-			      struct jffs2_eraseblock *jeb);
+__jffs2_dbg_fragtree_paranoia_check_nolock(struct jffs2_inode_info *f);
+void
+__jffs2_dbg_acct_paranoia_check(struct jffs2_sb_info *c,
+			   	struct jffs2_eraseblock *jeb);
+void
+__jffs2_dbg_acct_paranoia_check_nolock(struct jffs2_sb_info *c,
+				       struct jffs2_eraseblock *jeb);
+void
+__jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c,
+				    uint32_t ofs, int len);
 
+/* "Dump" functions */
+void
+__jffs2_dbg_dump_jeb(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb);
+void
+__jffs2_dbg_dump_jeb_nolock(struct jffs2_eraseblock *jeb);
+void
+__jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c);
+void
+__jffs2_dbg_dump_block_lists_nolock(struct jffs2_sb_info *c);
+void
+__jffs2_dbg_dump_node_refs(struct jffs2_sb_info *c,
+		 	   struct jffs2_eraseblock *jeb);
+void
+__jffs2_dbg_dump_node_refs_nolock(struct jffs2_sb_info *c,
+				  struct jffs2_eraseblock *jeb);
+void
+__jffs2_dbg_dump_fragtree(struct jffs2_inode_info *f);
+void
+__jffs2_dbg_dump_fragtree_nolock(struct jffs2_inode_info *f);
 void
-jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c,
-				  uint32_t ofs, int len);
+__jffs2_dbg_dump_buffer(unsigned char *buf, int len, uint32_t offs);
+void
+__jffs2_dbg_dump_node(struct jffs2_sb_info *c, uint32_t ofs);
+
+#ifdef JFFS2_DBG_PARANOIA_CHECKS
+#define jffs2_dbg_fragtree_paranoia_check(f)			\
+	__jffs2_dbg_fragtree_paranoia_check(f)
+#define jffs2_dbg_fragtree_paranoia_check_nolock(f)		\
+	__jffs2_dbg_fragtree_paranoia_check_nolock(f)
+#define jffs2_dbg_acct_paranoia_check(c, jeb)			\
+	__jffs2_dbg_acct_paranoia_check(c,jeb)
+#define jffs2_dbg_acct_paranoia_check_nolock(c, jeb)		\
+	__jffs2_dbg_acct_paranoia_check_nolock(c,jeb)
+#define jffs2_dbg_prewrite_paranoia_check(c, ofs, len)		\
+	__jffs2_dbg_prewrite_paranoia_check(c, ofs, len)
 #else
 #define jffs2_dbg_fragtree_paranoia_check(f)
+#define jffs2_dbg_fragtree_paranoia_check_nolock(f)
 #define jffs2_dbg_acct_paranoia_check(c, jeb)
+#define jffs2_dbg_acct_paranoia_check_nolock(c, jeb)
 #define jffs2_dbg_prewrite_paranoia_check(c, ofs, len)
 #endif /* !JFFS2_PARANOIA_CHECKS */
 
+#ifdef JFFS2_DBG_DUMPS
+#define jffs2_dbg_dump_jeb(c, jeb)				\
+	__jffs2_dbg_dump_jeb(c, jeb);
+#define jffs2_dbg_dump_jeb_nolock(jeb)				\
+	__jffs2_dbg_dump_jeb_nolock(jeb);
+#define jffs2_dbg_dump_block_lists(c)				\
+	__jffs2_dbg_dump_block_lists(c)
+#define jffs2_dbg_dump_block_lists_nolock(c)			\
+	__jffs2_dbg_dump_block_lists_nolock(c)
+#define jffs2_dbg_dump_fragtree(f)				\
+	__jffs2_dbg_dump_fragtree(f);
+#define jffs2_dbg_dump_fragtree_nolock(f)			\
+	__jffs2_dbg_dump_fragtree_nolock(f);
+#define jffs2_dbg_dump_buffer(buf, len, offs)			\
+	__jffs2_dbg_dump_buffer(*buf, len, offs);
+#define jffs2_dbg_dump_node(c, ofs)				\
+	__jffs2_dbg_dump_node(c, ofs);
+#else
+#define jffs2_dbg_dump_jeb(c, jeb)
+#define jffs2_dbg_dump_jeb_nolock(jeb)
+#define jffs2_dbg_dump_block_lists(c)
+#define jffs2_dbg_dump_block_lists_nolock(c)
+#define jffs2_dbg_dump_fragtree(f)
+#define jffs2_dbg_dump_fragtree_nolock(f)
+#define jffs2_dbg_dump_buffer(buf, len, offs)
+#define jffs2_dbg_dump_node(c, ofs)
+#endif /* !JFFS2_DBG_DUMPS */
+
+/*
+ * Sanity checks are supposed to be light-weight and enabled by default.
+ */
 #ifdef JFFS2_DBG_SANITY_CHECKS
 /*
  * Check the space accounting of the file system and of
- * the JFFS3 erasable block 'jeb'.
+ * the JFFS2 erasable block 'jeb'.
  */
 static inline void
-jffs2_dbg_acct_sanity_check(struct jffs2_sb_info *c,
-			    struct jffs2_eraseblock *jeb)
+jffs2_dbg_acct_sanity_check_nolock(struct jffs2_sb_info *c,
+				   struct jffs2_eraseblock *jeb)
 {
 	if (unlikely(jeb && jeb->used_size + jeb->dirty_size +
 			jeb->free_size + jeb->wasted_size +
 			jeb->unchecked_size != c->sector_size)) {
-		printk(KERN_ERR "Eeep. Space accounting for block at 0x%08x is screwed\n", jeb->offset);
-		printk(KERN_ERR "free %#08x + dirty %#08x + used %#08x + wasted %#08x + unchecked "
-				"%#08x != total %#08x\n", jeb->free_size, jeb->dirty_size, jeb->used_size,
-				jeb->wasted_size, jeb->unchecked_size, c->sector_size);
+		JFFS2_ERROR("eeep, space accounting for block at 0x%08x is screwed.\n", jeb->offset);
+		JFFS2_ERROR("free %#08x + dirty %#08x + used %#08x + wasted %#08x + unchecked "
+			"%#08x != total %#08x.\n", jeb->free_size, jeb->dirty_size, jeb->used_size,
+			jeb->wasted_size, jeb->unchecked_size, c->sector_size);
 		BUG();
 	}
 
 	if (unlikely(c->used_size + c->dirty_size + c->free_size + c->erasing_size + c->bad_size
 				+ c->wasted_size + c->unchecked_size != c->flash_size)) {
-		printk(KERN_ERR "Eeep. Space accounting superblock info is screwed\n");
-		printk(KERN_ERR "free %#08x + dirty %#08x + used %#08x + erasing %#08x + bad %#08x + "
-				"wasted %#08x + unchecked %#08x != total %#08x\n",
-				c->free_size, c->dirty_size, c->used_size, c->erasing_size, c->bad_size,
-				c->wasted_size, c->unchecked_size, c->flash_size);
+		JFFS2_ERROR("eeep, space accounting superblock info is screwed.\n");
+		JFFS2_ERROR("free %#08x + dirty %#08x + used %#08x + erasing %#08x + bad %#08x + "
+			"wasted %#08x + unchecked %#08x != total %#08x.\n",
+			c->free_size, c->dirty_size, c->used_size, c->erasing_size, c->bad_size,
+			c->wasted_size, c->unchecked_size, c->flash_size);
 		BUG();
 	}
 }
-#else
+
 static inline void
 jffs2_dbg_acct_sanity_check(struct jffs2_sb_info *c,
-			    struct jffs2_eraseblock *jeb);
+			    struct jffs2_eraseblock *jeb)
+{
+	spin_lock(&c->erase_completion_lock);
+	jffs2_dbg_acct_sanity_check_nolock(c, jeb);
+	spin_unlock(&c->erase_completion_lock);
+}
+#else
+#define jffs2_dbg_acct_sanity_check(c, jeb)
+#define jffs2_dbg_acct_sanity_check_nolock(c, jeb)
 #endif /* !JFFS2_DBG_SANITY_CHECKS */
 
 #endif /* _JFFS2_DEBUG_H_ */
diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
index af0c7d4..a8a0908 100644
--- a/fs/jffs2/erase.c
+++ b/fs/jffs2/erase.c
@@ -7,7 +7,7 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: erase.c,v 1.81 2005/07/17 06:56:20 dedekind Exp $
+ * $Id: erase.c,v 1.83 2005/07/22 10:32:08 dedekind Exp $
  *
  */
 
@@ -48,7 +48,8 @@ static void jffs2_erase_block(struct jffs2_sb_info *c,
 #else /* Linux */
 	struct erase_info *instr;
 
-	D1(printk(KERN_DEBUG "jffs2_erase_block(): erase block %#x (range %#x-%#x)\n", jeb->offset, jeb->offset, jeb->offset + c->sector_size));
+	D1(printk(KERN_DEBUG "jffs2_erase_block(): erase block %#08x (range %#08x-%#08x)\n",
+				jeb->offset, jeb->offset, jeb->offset + c->sector_size));
 	instr = kmalloc(sizeof(struct erase_info) + sizeof(struct erase_priv_struct), GFP_KERNEL);
 	if (!instr) {
 		printk(KERN_WARNING "kmalloc for struct erase_info in jffs2_erase_block failed. Refiling block for later\n");
@@ -429,8 +430,8 @@ static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseb
 	c->free_size += jeb->free_size;
 	c->used_size += jeb->used_size;
 
-	jffs2_dbg_acct_sanity_check(c,jeb);
-	jffs2_dbg_acct_paranoia_check(c, jeb);
+	jffs2_dbg_acct_sanity_check_nolock(c,jeb);
+	jffs2_dbg_acct_paranoia_check_nolock(c, jeb);
 
 	list_add_tail(&jeb->list, &c->free_list);
 	c->nr_erasing_blocks--;
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index a6661e8..3473161 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -7,7 +7,7 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: fs.c,v 1.59 2005/07/18 11:21:19 dedekind Exp $
+ * $Id: fs.c,v 1.60 2005/07/22 10:32:08 dedekind Exp $
  *
  */
 
@@ -194,19 +194,15 @@ int jffs2_statfs(struct super_block *sb, struct kstatfs *buf)
 	buf->f_namelen = JFFS2_MAX_NAME_LEN;
 
 	spin_lock(&c->erase_completion_lock);
-
 	avail = c->dirty_size + c->free_size;
 	if (avail > c->sector_size * c->resv_blocks_write)
 		avail -= c->sector_size * c->resv_blocks_write;
 	else
 		avail = 0;
+	spin_unlock(&c->erase_completion_lock);
 
 	buf->f_bavail = buf->f_bfree = avail >> PAGE_SHIFT;
 
-	jffs2_dbg_dump_block_lists(c);
-
-	spin_unlock(&c->erase_completion_lock);
-
 	return 0;
 }
 
diff --git a/fs/jffs2/gc.c b/fs/jffs2/gc.c
index 6b5da0a..362cfee 100644
--- a/fs/jffs2/gc.c
+++ b/fs/jffs2/gc.c
@@ -7,7 +7,7 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: gc.c,v 1.150 2005/07/17 12:01:43 dedekind Exp $
+ * $Id: gc.c,v 1.152 2005/07/24 15:14:14 dedekind Exp $
  *
  */
 
@@ -111,7 +111,6 @@ again:
 		ret->wasted_size = 0;
 	}
 
-	jffs2_dbg_dump_block_lists(c);
 	return ret;
 }
 
@@ -142,7 +141,7 @@ int jffs2_garbage_collect_pass(struct jffs2_sb_info *c)
 		if (c->checked_ino > c->highest_ino) {
 			printk(KERN_CRIT "Checked all inodes but still 0x%x bytes of unchecked space?\n",
 			       c->unchecked_size);
-			jffs2_dbg_dump_block_lists(c);
+			jffs2_dbg_dump_block_lists_nolock(c);
 			spin_unlock(&c->erase_completion_lock);
 			BUG();
 		}
@@ -485,7 +484,8 @@ static int jffs2_garbage_collect_live(struct jffs2_sb_info *c,  struct jffs2_era
 		if (ref_obsolete(raw)) {
 			printk(KERN_WARNING "But it's obsolete so we don't mind too much\n");
 		} else {
-			ret = -EIO;
+			jffs2_dbg_dump_node(c, ref_offset(raw));
+			BUG();
 		}
 	}
  upnout:
diff --git a/fs/jffs2/nodelist.c b/fs/jffs2/nodelist.c
index a041115..9d08d33 100644
--- a/fs/jffs2/nodelist.c
+++ b/fs/jffs2/nodelist.c
@@ -7,7 +7,7 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: nodelist.c,v 1.99 2005/07/15 10:13:54 dedekind Exp $
+ * $Id: nodelist.c,v 1.100 2005/07/22 10:32:08 dedekind Exp $
  *
  */
 
@@ -203,7 +203,7 @@ read_direntry(struct jffs2_sb_info *c,
 			return -EIO;
 			
 		if (unlikely(err)) {
-			printk(KERN_WARNING "Read remainder of name in jffs2_get_inode_nodes(): error %d\n", err);
+			printk(KERN_WARNING "Read remainder of name: error %d\n", err);
 			jffs2_free_full_dirent(fd);
 			return -EIO;
 		}
diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h
index 6802e09..dde9b86 100644
--- a/fs/jffs2/nodelist.h
+++ b/fs/jffs2/nodelist.h
@@ -7,7 +7,7 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: nodelist.h,v 1.132 2005/07/17 06:56:21 dedekind Exp $
+ * $Id: nodelist.h,v 1.133 2005/07/22 10:32:08 dedekind Exp $
  *
  */
 
@@ -236,7 +236,7 @@ static inline uint32_t ref_totlen(struct jffs2_sb_info *c,
 		       ret, ref->__totlen);
 		if (!jeb)
 			jeb = &c->blocks[ref->flash_offset / c->sector_size];
-		jffs2_dbg_dump_node_refs(c, jeb);
+		jffs2_dbg_dump_node_refs_nolock(c, jeb);
 		BUG();
 	}
 #endif
diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c
index 424be1e..fe7e70a 100644
--- a/fs/jffs2/nodemgmt.c
+++ b/fs/jffs2/nodemgmt.c
@@ -7,7 +7,7 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: nodemgmt.c,v 1.123 2005/07/17 06:56:21 dedekind Exp $
+ * $Id: nodemgmt.c,v 1.124 2005/07/20 15:32:28 dedekind Exp $
  *
  */
 
@@ -349,8 +349,8 @@ int jffs2_add_physical_node_ref(struct jffs2_sb_info *c, struct jffs2_raw_node_r
 		list_add_tail(&jeb->list, &c->clean_list);
 		c->nextblock = NULL;
 	}
-	jffs2_dbg_acct_sanity_check(c,jeb);
-	jffs2_dbg_acct_paranoia_check(c, jeb);
+	jffs2_dbg_acct_sanity_check_nolock(c,jeb);
+	jffs2_dbg_acct_paranoia_check_nolock(c, jeb);
 
 	spin_unlock(&c->erase_completion_lock);
 
@@ -430,7 +430,7 @@ void jffs2_mark_node_obsolete(struct jffs2_sb_info *c, struct jffs2_raw_node_ref
 			       ref_totlen(c, jeb, ref), blocknr, ref->flash_offset, jeb->used_size);
 			BUG();
 		})
-		D1(printk(KERN_DEBUG "Obsoleting node at 0x%08x of len %x: ", ref_offset(ref), ref_totlen(c, jeb, ref)));
+		D1(printk(KERN_DEBUG "Obsoleting node at 0x%08x of len %#x: ", ref_offset(ref), ref_totlen(c, jeb, ref)));
 		jeb->used_size -= ref_totlen(c, jeb, ref);
 		c->used_size -= ref_totlen(c, jeb, ref);
 	}
@@ -466,9 +466,8 @@ void jffs2_mark_node_obsolete(struct jffs2_sb_info *c, struct jffs2_raw_node_ref
 	}
 	ref->flash_offset = ref_offset(ref) | REF_OBSOLETE;
 	
-	jffs2_dbg_acct_sanity_check(c, jeb);
-
-	jffs2_dbg_acct_paranoia_check(c, jeb);
+	jffs2_dbg_acct_sanity_check_nolock(c, jeb);
+	jffs2_dbg_acct_paranoia_check_nolock(c, jeb);
 
 	if (c->flags & JFFS2_SB_FLAG_SCANNING) {
 		/* Flash scanning is in progress. Don't muck about with the block
diff --git a/fs/jffs2/read.c b/fs/jffs2/read.c
index 9706534..e38e6c5 100644
--- a/fs/jffs2/read.c
+++ b/fs/jffs2/read.c
@@ -7,7 +7,7 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: read.c,v 1.40 2005/07/17 06:56:21 dedekind Exp $
+ * $Id: read.c,v 1.41 2005/07/22 10:32:08 dedekind Exp $
  *
  */
 
@@ -174,7 +174,6 @@ int jffs2_read_inode_range(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
 			if (frag) {
 				D1(printk(KERN_NOTICE "Eep. Hole in ino #%u fraglist. frag->ofs = 0x%08x, offset = 0x%08x\n", f->inocache->ino, frag->ofs, offset));
 				holesize = min(holesize, frag->ofs - offset);
-				D2(jffs2_dbg_dump_fragtree(f));
 			}
 			D1(printk(KERN_DEBUG "Filling non-frag hole from %d-%d\n", offset, offset+holesize));
 			memset(buf, 0, holesize);
diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c
index 02a20d7..02b02c1 100644
--- a/fs/jffs2/readinode.c
+++ b/fs/jffs2/readinode.c
@@ -7,7 +7,7 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: readinode.c,v 1.128 2005/07/17 12:01:43 dedekind Exp $
+ * $Id: readinode.c,v 1.129 2005/07/22 10:32:08 dedekind Exp $
  *
  */
 
@@ -92,8 +92,8 @@ int jffs2_add_full_dnode_to_inode(struct jffs2_sb_info *c, struct jffs2_inode_in
 				mark_ref_normal(next->node->raw);
 		}
 	}
-	jffs2_dbg_fragtree_paranoia_check(f);
-	jffs2_dbg_dump_fragtree(f);
+	jffs2_dbg_fragtree_paranoia_check_nolock(f);
+	jffs2_dbg_dump_fragtree_nolock(f);
 	return 0;
 }
 
@@ -480,7 +480,7 @@ static int jffs2_do_read_inode_internal(struct jffs2_sb_info *c,
 
 		jffs2_free_tmp_dnode_info(tn);
 	}
-	jffs2_dbg_fragtree_paranoia_check(f);
+	jffs2_dbg_fragtree_paranoia_check_nolock(f);
 
 	if (!fn) {
 		/* No data nodes for this inode. */
diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c
index a2a51b7..fcd6314 100644
--- a/fs/jffs2/scan.c
+++ b/fs/jffs2/scan.c
@@ -7,7 +7,7 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: scan.c,v 1.120 2005/07/17 06:56:21 dedekind Exp $
+ * $Id: scan.c,v 1.121 2005/07/20 15:32:28 dedekind Exp $
  *
  */
 #include <linux/kernel.h>
@@ -130,7 +130,7 @@ int jffs2_scan_medium(struct jffs2_sb_info *c)
 		if (ret < 0)
 			goto out;
 
-		jffs2_dbg_acct_paranoia_check(c, jeb);
+		jffs2_dbg_acct_paranoia_check_nolock(c, jeb);
 
 		/* Now decide which list to put it on */
 		switch(ret) {
@@ -370,7 +370,7 @@ static int jffs2_scan_eraseblock (struct jffs2_sb_info *c, struct jffs2_eraseblo
 scan_more:	
 	while(ofs < jeb->offset + c->sector_size) {
 
-		jffs2_dbg_acct_paranoia_check(c, jeb);
+		jffs2_dbg_acct_paranoia_check_nolock(c, jeb);
 
 		cond_resched();
 
diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
index 5a820f4..251ac3d 100644
--- a/fs/jffs2/wbuf.c
+++ b/fs/jffs2/wbuf.c
@@ -9,7 +9,7 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: wbuf.c,v 1.94 2005/07/17 12:01:43 dedekind Exp $
+ * $Id: wbuf.c,v 1.96 2005/07/22 10:32:08 dedekind Exp $
  *
  */
 
@@ -139,7 +139,6 @@ static void jffs2_block_refile(struct jffs2_sb_info *c, struct jffs2_eraseblock
 {
 	D1(printk("About to refile bad block at %08x\n", jeb->offset));
 
-	jffs2_dbg_dump_block_lists(c);
 	/* File the existing block on the bad_used_list.... */
 	if (c->nextblock == jeb)
 		c->nextblock = NULL;
@@ -156,7 +155,6 @@ static void jffs2_block_refile(struct jffs2_sb_info *c, struct jffs2_eraseblock
 		c->nr_erasing_blocks++;
 		jffs2_erase_pending_trigger(c);
 	}
-	jffs2_dbg_dump_block_lists(c);
 
 	/* Adjust its size counts accordingly */
 	c->wasted_size += jeb->free_size;
@@ -164,8 +162,9 @@ static void jffs2_block_refile(struct jffs2_sb_info *c, struct jffs2_eraseblock
 	jeb->wasted_size += jeb->free_size;
 	jeb->free_size = 0;
 
-	jffs2_dbg_acct_sanity_check(c,jeb);
-	jffs2_dbg_acct_paranoia_check(c, jeb);
+	jffs2_dbg_dump_block_lists_nolock(c);
+	jffs2_dbg_acct_sanity_check_nolock(c,jeb);
+	jffs2_dbg_acct_paranoia_check_nolock(c, jeb);
 }
 
 /* Recover from failure to write wbuf. Recover the nodes up to the
@@ -392,11 +391,11 @@ static void jffs2_wbuf_recover(struct jffs2_sb_info *c)
 	else
 		jeb->last_node = container_of(first_raw, struct jffs2_raw_node_ref, next_phys);
 
-	jffs2_dbg_acct_sanity_check(c,jeb);
-        jffs2_dbg_acct_paranoia_check(c, jeb);
+	jffs2_dbg_acct_sanity_check_nolock(c, jeb);
+        jffs2_dbg_acct_paranoia_check_nolock(c, jeb);
 
-	jffs2_dbg_acct_sanity_check(c,new_jeb);
-        jffs2_dbg_acct_paranoia_check(c, new_jeb);
+	jffs2_dbg_acct_sanity_check_nolock(c, new_jeb);
+        jffs2_dbg_acct_paranoia_check_nolock(c, new_jeb);
 
 	spin_unlock(&c->erase_completion_lock);
 
diff --git a/fs/jffs2/write.c b/fs/jffs2/write.c
index b6a53e5..4c418e6 100644
--- a/fs/jffs2/write.c
+++ b/fs/jffs2/write.c
@@ -7,7 +7,7 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: write.c,v 1.93 2005/07/17 06:56:21 dedekind Exp $
+ * $Id: write.c,v 1.94 2005/07/20 15:50:51 dedekind Exp $
  *
  */
 
@@ -223,8 +223,6 @@ struct jffs2_full_dirent *jffs2_write_dirent(struct jffs2_sb_info *c, struct jff
 		  je32_to_cpu(rd->pino), name, name, je32_to_cpu(rd->ino),
 		  je32_to_cpu(rd->name_crc)));
 
-	jffs2_dbg_prewrite_paranoia_check(c, flash_ofs, vecs[0].iov_len + vecs[1].iov_len);
-
 	D1(if(je32_to_cpu(rd->hdr_crc) != crc32(0, rd, sizeof(struct jffs2_unknown_node)-4)) {
 		printk(KERN_CRIT "Eep. CRC not correct in jffs2_write_dirent()\n");
 		BUG();
@@ -236,6 +234,8 @@ struct jffs2_full_dirent *jffs2_write_dirent(struct jffs2_sb_info *c, struct jff
 	vecs[1].iov_base = (unsigned char *)name;
 	vecs[1].iov_len = namelen;
 	
+	jffs2_dbg_prewrite_paranoia_check(c, flash_ofs, vecs[0].iov_len + vecs[1].iov_len);
+
 	raw = jffs2_alloc_raw_node_ref();
 
 	if (!raw)