+ cf->head.state = 0;
+ cf->dirty = 1;
+ mf_unlink (cf->block_mf);
+ mf_unlink (cf->hash_mf);
+}
+
+
+#if CF_OPTIMIZE_COMMIT
+struct map_cache_entity {
+ int from;
+ int to;
+};
+
+struct map_cache {
+ int max;
+ int no;
+
+ struct map_cache_entity *map;
+ char *buf;
+ CFile cf;
+};
+
+static struct map_cache *map_cache_init (CFile cf)
+{
+ int mem_max = 2000000;
+ struct map_cache *m_p;
+
+ m_p = xmalloc (sizeof(*m_p));
+ m_p->cf = cf;
+ m_p->max = mem_max / cf->head.block_size;
+ m_p->buf = xmalloc (mem_max);
+ m_p->no = 0;
+ m_p->map = xmalloc (sizeof(*m_p->map) * m_p->max);
+ return m_p;
+}
+
+static int map_cache_cmp_from (const void *p1, const void *p2)
+{
+ return ((struct map_cache_entity*) p1)->from -
+ ((struct map_cache_entity*) p2)->from;
+}
+
+static int map_cache_cmp_to (const void *p1, const void *p2)
+{
+ return ((struct map_cache_entity*) p1)->to -
+ ((struct map_cache_entity*) p2)->to;
+}
+
+static void map_cache_flush (struct map_cache *m_p)
+{
+ int i;
+
+ qsort (m_p->map, m_p->no, sizeof(*m_p->map), map_cache_cmp_from);
+ assert (m_p->no < 2 || m_p->map[0].from < m_p->map[1].from);
+ for (i = 0; i<m_p->no; i++)
+ {
+ if (!mf_read (m_p->cf->block_mf, m_p->map[i].from, 0, 0,
+ m_p->buf + i * m_p->cf->head.block_size))
+ {
+ logf (LOG_FATAL, "read commit block at position %d",
+ m_p->map[i].from);
+ exit (1);
+ }
+ m_p->map[i].from = i;
+ }
+ qsort (m_p->map, m_p->no, sizeof(*m_p->map), map_cache_cmp_to);
+ assert (m_p->no < 2 || m_p->map[0].to < m_p->map[1].to);
+ for (i = 0; i<m_p->no; i++)
+ {
+ mf_write (m_p->cf->rmf, m_p->map[i].to, 0, 0,
+ m_p->buf + m_p->map[i].from * m_p->cf->head.block_size);
+ }
+ m_p->no = 0;
+}
+
+static void map_cache_del (struct map_cache *m_p)
+{
+ map_cache_flush (m_p);
+ xfree (m_p->map);
+ xfree (m_p->buf);
+ xfree (m_p);
+}
+
+static void map_cache_add (struct map_cache *m_p, int from, int to)
+{
+ int i = m_p->no;
+
+ m_p->map[i].from = from;
+ m_p->map[i].to = to;
+ m_p->no = ++i;
+ if (i == m_p->max)
+ map_cache_flush (m_p);
+}
+
+/* CF_OPTIMIZE_COMMIT */
+#endif
+
+static void cf_commit_hash (CFile cf)
+{
+ int i, bucket_no;
+ int hash_bytes;
+ struct CFile_ph_bucket *p;
+#if CF_OPTIMIZE_COMMIT
+ struct map_cache *m_p;
+#endif
+
+#if CF_OPTIMIZE_COMMIT
+ m_p = map_cache_init (cf);
+#endif
+