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並前往https://e2e.ti.com/support/processors-group/processors/f/processors-forum/122997/kernel-buffer-cache-problem-with-self-written-mcbsp-driver

Kernel Buffer Cache Problem with self written McBSP Driver

I denoted 2 approaches inside the code, one with "fopen" and an appropriate "setvbuf(...)" and one with "open" and "O_DIRECT".

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查詢 「O_SYNC fopen」的人也找了：

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