+/*
+ * Relocation based on dirid, hashing them into a given bitmap block
+ * files. Formatted nodes are unaffected, a seperate policy covers them
+ */
+static void
+dirid_groups (reiserfs_blocknr_hint_t *hint)
+{
+ unsigned long hash;
+ __u32 dirid = 0;
+ int bm = 0;
+ struct super_block *sb = hint->th->t_super;
+ if (hint->inode)
+ dirid = le32_to_cpu(INODE_PKEY(hint->inode)->k_dir_id);
+ else if (hint->formatted_node)
+ dirid = hint->key.k_dir_id;
+
+ if (dirid) {
+ bm = bmap_hash_id(sb, dirid);
+ hash = bm * (sb->s_blocksize << 3);
+ /* give a portion of the block group to metadata */
+ if (hint->inode)
+ hash += sb->s_blocksize/2;
+ hint->search_start = hash;
+ }
+}
+
+/*
+ * Relocation based on oid, hashing them into a given bitmap block
+ * files. Formatted nodes are unaffected, a seperate policy covers them
+ */
+static void
+oid_groups (reiserfs_blocknr_hint_t *hint)
+{
+ if (hint->inode) {
+ unsigned long hash;
+ __u32 oid;
+ __u32 dirid;
+ int bm;
+
+ dirid = le32_to_cpu(INODE_PKEY(hint->inode)->k_dir_id);
+
+ /* keep the root dir and it's first set of subdirs close to
+ * the start of the disk
+ */
+ if (dirid <= 2)
+ hash = (hint->inode->i_sb->s_blocksize << 3);
+ else {
+ oid = le32_to_cpu(INODE_PKEY(hint->inode)->k_objectid);
+ bm = bmap_hash_id(hint->inode->i_sb, oid);
+ hash = bm * (hint->inode->i_sb->s_blocksize << 3);
+ }
+ hint->search_start = hash;
+ }
+}
+
+/* returns 1 if it finds an indirect item and gets valid hint info
+ * from it, otherwise 0
+ */
+static int get_left_neighbor(reiserfs_blocknr_hint_t *hint)