Processing user space operations directly between an application instance and an I/O adapter
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United States of America Patent
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Feb 2, 2010
Grant Date -
Apr 5, 2007
app pub date -
Aug 31, 2005
filing date -
Aug 31, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A mechanism is provided that enables user space middleware or applications to pass file name based storage requests directly to a physical I/O Adapter without run-time involvement from the local Operating System (OS). A mechanism is provided for using a file protection table (FPT) data structure, which may include a file name protection table (FNPT) and file extension protection table (FEPT), to control user space and out of user space Input/Output (I/O) operations. In addition, a mechanism is provided for managing the FPT based on user space operations to create, query, modify and delete entries in the FPT.
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