Set bh->b_count to 1 in dispatch_bh().  [Kevin Corry]
--- diff/drivers/md/kcopyd.c	2003-06-17 10:06:40.000000000 +0100
+++ source/drivers/md/kcopyd.c	2003-06-17 10:06:42.000000000 +0100
@@ -344,6 +344,8 @@
 	init_buffer(bh, end_bh, job);
 
 	bh->b_dev = job->disk.dev;
+	atomic_set(&bh->b_count, 1);
+
 	bh->b_state = ((1 << BH_Uptodate) | (1 << BH_Mapped) |
 		       (1 << BH_Lock) | (1 << BH_Req));