===== fs/buffer.c 1.237 vs edited =====
--- 1.237/fs/buffer.c	Wed Apr 14 03:18:09 2004
+++ edited/fs/buffer.c	Wed Apr 14 03:39:15 2004
@@ -2688,6 +2688,7 @@
 {
 	struct bio *bio;
 
+#ifdef BH_DEBUG
 	BUG_ON(!buffer_locked(bh));
 	BUG_ON(!buffer_mapped(bh));
 	BUG_ON(!bh->b_end_io);
@@ -2698,6 +2699,7 @@
 		buffer_error();
 	if (rw == READ && buffer_dirty(bh))
 		buffer_error();
+#endif
 
 	/* Only clear out a write error when rewriting */
 	if (test_set_buffer_req(bh) && rw == WRITE)
===== include/linux/buffer_head.h 1.47 vs edited =====
--- 1.47/include/linux/buffer_head.h	Wed Apr 14 03:18:09 2004
+++ edited/include/linux/buffer_head.h	Wed Apr 14 03:39:31 2004
@@ -13,6 +13,8 @@
 #include <linux/wait.h>
 #include <asm/atomic.h>
 
+#undef BH_DEBUG
+
 enum bh_state_bits {
 	BH_Uptodate,	/* Contains valid data */
 	BH_Dirty,	/* Is dirty */