130 	io_channel undo_file;  member
205 		retval = io_channel_write_blk64(data->undo_file,  in write_undo_indexes()
246 	retval = io_channel_write_blk64(data->undo_file, 0,  in write_undo_indexes()
257 	retval = io_channel_write_blk64(data->undo_file, data->super_blk_num,  in write_undo_indexes()
263 		retval = io_channel_flush(data->undo_file);  in write_undo_indexes()
300 	io_channel_set_blksize(data->undo_file, data->tdb_data_size);  in undo_setup_tdb()
304 		retval = io_channel_read_blk64(data->undo_file, i, 1,  in undo_setup_tdb()
308 		retval = io_channel_write_blk64(data->undo_file, i, 1,  in undo_setup_tdb()
312 		retval = io_channel_flush(data->undo_file);  in undo_setup_tdb()
337 	if (data->undo_file == NULL) {  in undo_write_tdb()
424 		if ((data_size % data->undo_file->block_size) == 0)  in undo_write_tdb()
425 			sz = data_size / data->undo_file->block_size;  in undo_write_tdb()
459 		retval = io_channel_write_blk64(data->undo_file,  in undo_write_tdb()
497 static int check_filesystem(struct undo_header *hdr, io_channel undo_file,  in check_filesystem()  argument
518 	retval = io_channel_read_blk64(undo_file, super_block,  in check_filesystem()
565 	retval = io_channel_read_blk64(data->undo_file, 0, -(int)sizeof(hdr),  in try_reopen_undo_file()
586 	io_channel_set_blksize(data->undo_file, blocksize);  in try_reopen_undo_file()
596 	if (check_filesystem(&hdr, data->undo_file, blocksize, super_block,  in try_reopen_undo_file()
621 		retval = io_channel_read_blk64(data->undo_file,  in try_reopen_undo_file()
689 	io_channel_close(data->undo_file);  in undo_atexit()
746 						       &data->undo_file);  in undo_open()
751 		data->undo_file = NULL;  in undo_open()
765 	if (data->undo_file) {  in undo_open()
783 	if (data && data->undo_file)  in undo_open()
784 		io_channel_close(data->undo_file);  in undo_open()
816 	if (data->undo_file)  in undo_close()
817 		io_channel_close(data->undo_file);  in undo_close()