copyfile_ns 688 tools/perf/util/build-id.c if (copyfile_ns(name, filename, nsi)) copyfile_ns 712 tools/perf/util/build-id.c if (copyfile_ns(debugfile, filename, copyfile_ns 13 tools/perf/util/copyfile.h int copyfile_ns(const char *from, const char *to, struct nsinfo *nsi);