+ if(tags_ecc)
+ yaffs_ecc_calc_other((unsigned char *)&pt->t,
+ sizeof(yaffs_packed_tags2_tags_only),
+ &pt->ecc);
+}
+
+
+void yaffs_unpack_tags2_tags_only(yaffs_ext_tags *t,
+ yaffs_packed_tags2_tags_only *ptt)
+{
+
+ memset(t, 0, sizeof(yaffs_ext_tags));
+
+ yaffs_init_tags(t);
+
+ if (ptt->seq_number != 0xFFFFFFFF) {
+ t->block_bad = 0;
+ t->chunk_used = 1;
+ t->obj_id = ptt->obj_id;
+ t->chunk_id = ptt->chunk_id;
+ t->n_bytes = ptt->n_bytes;
+ t->is_deleted = 0;
+ t->serial_number = 0;
+ t->seq_number = ptt->seq_number;
+
+ /* Do extra header info stuff */
+
+ if (ptt->chunk_id & EXTRA_HEADER_INFO_FLAG) {
+ t->chunk_id = 0;
+ t->n_bytes = 0;
+
+ t->extra_available = 1;
+ t->extra_parent_id =
+ ptt->chunk_id & (~(ALL_EXTRA_FLAGS));
+ t->extra_is_shrink =
+ (ptt->chunk_id & EXTRA_SHRINK_FLAG) ? 1 : 0;
+ t->extra_shadows =
+ (ptt->chunk_id & EXTRA_SHADOWS_FLAG) ? 1 : 0;
+ t->extra_obj_type =
+ ptt->obj_id >> EXTRA_OBJECT_TYPE_SHIFT;
+ t->obj_id &= ~EXTRA_OBJECT_TYPE_MASK;
+
+ if (t->extra_obj_type == YAFFS_OBJECT_TYPE_HARDLINK)
+ t->extra_equiv_id = ptt->n_bytes;
+ else
+ t->extra_length = ptt->n_bytes;
+ }