Fix up placement of root fifo. Addresses #1000, #1080, #1131.

git-svn-id: file:///svn/tokudb.1131b+1080a@6159 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/brt-serialize.c

@@ -770,7 +770,7 @@ int deserialize_brtheader (u_int32_t size, int fd, DISKOFF off, struct brt_heade
     toku_free(rc.buf);
     {
 	int r;
-	if ((r = deserialize_fifo_at(fd, h->unused_blocks.b*h->nodesize, &h->fifo))) return r;
+	if ((r = deserialize_fifo_at(fd, block_allocator_allocated_limit(h->block_allocator), &h->fifo))) return r;
     }
     *brth = h;
     return 0;

newbrt/brt.c

@@ -218,9 +218,11 @@ void toku_brtheader_free (struct brt_header *h) {
 
 int toku_brtheader_close (CACHEFILE cachefile, void *header_v) {
     struct brt_header *h = header_v;
+    printf("%s:%d allocated_limit=%lu writing queue to %lu\n", __FILE__, __LINE__,
+	   block_allocator_allocated_limit(h->block_allocator), h->unused_blocks.b*h->nodesize);
     if (h->dirty) {
 	toku_serialize_brt_header_to(toku_cachefile_fd(cachefile), h);
-	toku_serialize_fifo_at(toku_cachefile_fd(cachefile), h->unused_blocks.b*h->nodesize, h->fifo);
+	toku_serialize_fifo_at(toku_cachefile_fd(cachefile), block_allocator_allocated_limit(h->block_allocator), h->fifo);
     }
     toku_brtheader_free(h);
     return 0;