System and method for managing file data during consistency points
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United States of America Patent
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Jul 15, 2008
Grant Date -
N/A
app pub date -
Nov 10, 2003
filing date -
Nov 10, 2003
priority date (Note) -
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Abstract
A system and method for managing file data during consistency points in a file system is provided. A buffer data control structure is modified to include a flags array that tracks various status flags for both a current and a next consistency point (CP). By utilizing multiple pointers within a buffer control structure, the file system may permit write operations to continue to a file undergoing write allocation. Received writes during a write allocation procedure are stored in raw data buffers and the buffer control structure is marked as being dirty for a next CP.
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