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Methods and apparatus for command list processing in performing parallel IO operations
Methods and apparatus for command list processing in performing parallel IO operations
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机译:在执行并行IO操作中用于命令列表处理的方法和装置
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摘要
Command list processing in performing parallel IO operations is disclosed. In one example, handling IO requests directed to an operating system having an IO scheduling component entails allocating a command to a thread in association with an IO request. The command is allocated from one of a plurality of command lists accessible in parallel, and the command is also linked to one of a plurality of active command lists that are accessible in parallel. The command lists can be arranged as per-CPU command lists, with each per-CPU command list corresponding to one of a plurality of CPUs on a multi-core processing platform on which the IO requests are processed. Similarly, each of the active command lists can respectively correspond to one of the plurality of CPUs on the multi-core processing platform. Per-volume queues can also be implemented for respective volumes presented to applications.
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