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	{			{
	int error, fd, mdctl_fd, unit;			int error, fd, mdctl_fd, unit;
	char pathname[PATH_MAX];			char pathname[PATH_MAX];
	struct aio_context ac;			struct aio_context ac;
	struct md_ioctl mdio;			struct md_ioctl mdio;
	char buf[80];			char buf[80];

	ATF_REQUIRE_KERNEL_MODULE("aio");			ATF_REQUIRE_KERNEL_MODULE("aio");
	ATF_REQUIRE_UNSAFE_AIO();

	mdctl_fd = open("/dev/" MDCTL_NAME, O_RDWR, 0);			mdctl_fd = open("/dev/" MDCTL_NAME, O_RDWR, 0);
	ATF_REQUIRE_MSG(mdctl_fd != -1,			ATF_REQUIRE_MSG(mdctl_fd != -1,
	"opening /dev/%s failed: %s", MDCTL_NAME, strerror(errno));			"opening /dev/%s failed: %s", MDCTL_NAME, strerror(errno));

	bzero(&mdio, sizeof(mdio));			bzero(&mdio, sizeof(mdio));
	mdio.md_version = MDIOVERSION;			mdio.md_version = MDIOVERSION;
	mdio.md_type = MD_MALLOC;			mdio.md_type = MD_MALLOC;
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