516 			       struct nilfs_shadow_map *shadow)  in nilfs_mdt_setup_shadow_map()  argument
520 	INIT_LIST_HEAD(&shadow->frozen_buffers);  in nilfs_mdt_setup_shadow_map()
521 	address_space_init_once(&shadow->frozen_data);  in nilfs_mdt_setup_shadow_map()
522 	nilfs_mapping_init(&shadow->frozen_data, inode);  in nilfs_mdt_setup_shadow_map()
523 	address_space_init_once(&shadow->frozen_btnodes);  in nilfs_mdt_setup_shadow_map()
524 	nilfs_mapping_init(&shadow->frozen_btnodes, inode);  in nilfs_mdt_setup_shadow_map()
525 	mi->mi_shadow = shadow;  in nilfs_mdt_setup_shadow_map()
537 	struct nilfs_shadow_map *shadow = mi->mi_shadow;  in nilfs_mdt_save_to_shadow_map()  local
540 	ret = nilfs_copy_dirty_pages(&shadow->frozen_data, inode->i_mapping);  in nilfs_mdt_save_to_shadow_map()
544 	ret = nilfs_copy_dirty_pages(&shadow->frozen_btnodes,  in nilfs_mdt_save_to_shadow_map()
549 	nilfs_bmap_save(ii->i_bmap, &shadow->bmap_store);  in nilfs_mdt_save_to_shadow_map()
556 	struct nilfs_shadow_map *shadow = NILFS_MDT(inode)->mi_shadow;  in nilfs_mdt_freeze_buffer()  local
561 	page = grab_cache_page(&shadow->frozen_data, bh->b_page->index);  in nilfs_mdt_freeze_buffer()
574 			      &shadow->frozen_buffers);  in nilfs_mdt_freeze_buffer()
588 	struct nilfs_shadow_map *shadow = NILFS_MDT(inode)->mi_shadow;  in nilfs_mdt_get_frozen_buffer()  local
593 	page = find_lock_page(&shadow->frozen_data, bh->b_page->index);  in nilfs_mdt_get_frozen_buffer()
605 static void nilfs_release_frozen_buffers(struct nilfs_shadow_map *shadow)  in nilfs_release_frozen_buffers()  argument
607 	struct list_head *head = &shadow->frozen_buffers;  in nilfs_release_frozen_buffers()
626 	struct nilfs_shadow_map *shadow = mi->mi_shadow;  in nilfs_mdt_restore_from_shadow_map()  local
634 	nilfs_copy_back_pages(inode->i_mapping, &shadow->frozen_data);  in nilfs_mdt_restore_from_shadow_map()
637 	nilfs_copy_back_pages(&ii->i_btnode_cache, &shadow->frozen_btnodes);  in nilfs_mdt_restore_from_shadow_map()
639 	nilfs_bmap_restore(ii->i_bmap, &shadow->bmap_store);  in nilfs_mdt_restore_from_shadow_map()
651 	struct nilfs_shadow_map *shadow = mi->mi_shadow;  in nilfs_mdt_clear_shadow_map()  local
654 	nilfs_release_frozen_buffers(shadow);  in nilfs_mdt_clear_shadow_map()
655 	truncate_inode_pages(&shadow->frozen_data, 0);  in nilfs_mdt_clear_shadow_map()
656 	truncate_inode_pages(&shadow->frozen_btnodes, 0);  in nilfs_mdt_clear_shadow_map()