xbb_dispatch_dev
SDT_PROBE_DEFINE1(xbb, kernel, xbb_dispatch_dev, flush, "int");
SDT_PROBE_DEFINE3(xbb, kernel, xbb_dispatch_dev, read, "int", "uint64_t",
SDT_PROBE_DEFINE3(xbb, kernel, xbb_dispatch_dev, write, "int",
SDT_PROBE1(xbb, kernel, xbb_dispatch_dev, flush,
SDT_PROBE3(xbb, kernel, xbb_dispatch_dev, read,
SDT_PROBE3(xbb, kernel, xbb_dispatch_dev, write,
xbb->dispatch_io = xbb_dispatch_dev;