发明授权
US08261010B2 Methods for distributing log block associativity for real-time system and flash memory devices performing the same
有权
用于分发执行相同功能的实时系统和闪存设备的日志块关联性的方法
- 专利标题： Methods for distributing log block associativity for real-time system and flash memory devices performing the same
- 专利标题（中）： 用于分发执行相同功能的实时系统和闪存设备的日志块关联性的方法
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申请号： US12356306申请日： 2009-01-20
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公开(公告)号： US08261010B2公开(公告)日： 2012-09-04
- 发明人: Young-Ik Eom , Dong-Kun Shin , Hyun-Jin Cho
- 申请人： Young-Ik Eom , Dong-Kun Shin , Hyun-Jin Cho
- 申请人地址： KR Gyeonggi-Do
- 专利权人： Sungkyunkwan University Foundation for Corporate Collaboration
- 当前专利权人： Sungkyunkwan University Foundation for Corporate Collaboration
- 当前专利权人地址： KR Gyeonggi-Do
- 代理机构： Harness, Dickey & Pierce, P.L.C.
- 优先权： KR10-2008-0138191 20081231
- 主分类号： G06F13/00
- IPC分类号： G06F13/00 ; G06F13/28
摘要：
A method for distributing log block associativity in log buffer-based flash translation layer (FTL) includes, if write request on page p is generated, checking whether log block associated with corresponding data block that write request is generated exists or not by checking log block mapping table storing mapping information between data blocks and log blocks, wherein the associativity of each log block to data block is set to equal to or less than predetermined value K in advance, and K is a natural number, if log block associated with corresponding data block that write request is generated exists, checking whether associated log block is random log block or sequential log block, and if associated log block is random log block, writing data that write request is generated in first free page of random log block.
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