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	/*			/*
	* For testing I/O like fsx does, but deterministically and without a real			* For testing I/O like fsx does, but deterministically and without a real
	* underlying file system			* underlying file system
	*/			*/

	using namespace testing;			using namespace testing;

	enum cache_mode {
	Uncached,
	Writethrough,
	Writeback,
	WritebackAsync
	};

	const char *cache_mode_to_s(enum cache_mode cm) {
	switch (cm) {
	case Uncached:
	return "Uncached";
	case Writethrough:
	return "Writethrough";
	case Writeback:
	return "Writeback";
	case WritebackAsync:
	return "WritebackAsync";
	default:
	return "Unknown";
	}
	}

	const char FULLPATH[] = "mountpoint/some_file.txt";			const char FULLPATH[] = "mountpoint/some_file.txt";
	const char RELPATH[] = "some_file.txt";			const char RELPATH[] = "some_file.txt";
	const uint64_t ino = 42;			const uint64_t ino = 42;

	static void compare(const void tbuf, const void controlbuf, off_t baseofs,			static void compare(const void tbuf, const void controlbuf, off_t baseofs,
	ssize_t size)			ssize_t size)
	{			{
	int i;			int i;
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