基于分区操作系统的文件并行访问方法  

A File Parallel Access Method for Partitioned Operating System

作　　者：杨琼[1] 王冬 YANG Qiong;WANG Dong(Xi′an Aeronautics Computing Technique Research Institute,AVIC,Xi′an 710068,China)

机构地区：[1]航空工业西安航空计算技术研究所,陕西西安710068

出　　处：《航空计算技术》2018年第5期85-87,94,共4页Aeronautical Computing Technique

基　　金：装备预研联合基金项目资助(6141B05060401)

摘　　要：设计一种针对分区操作系统的文件并行访问方法,用于解决分区文件系统面临的文件并行访问问题。针对分区操作系统的文件并行访问方法包括三个步骤:1)采用两种B+树(读管理树和写管理树)分别管理读写分支; 2)事务日志正常提交后用写管理树的指针更新读管理树的指针; 3)分区读写操作执行流程。方法可解决分区文件系统面临的文件并行访问问题。This paper belongs to the professional filed of computer system software,and involves a parallel file access method for partitioned operating systems.A file parallel access method for partitioned operating systems consists of three steps：steps 1）two kinds of B＋ trees （reader trees and writer trees）are used to manage the reading and writing branches respectively;steps 2）after the transaction log is submitted normally,the pointer to the management tree is updated by using the pointer to the write management tree;steps 3）partitioned read-write operation execution flow.After implementing the parallel file access method designed in this paper,we can solve the parallel file access problem faced by partitioned file systems.

关 键 词：分区操作系统 文件系统 并行访问 管理树 事务 

分 类 号：TP311.5[自动化与计算机技术—计算机软件与理论]