1do_sys_openat2(openat2, int, dfd, const char __user*, filename, struct open_how*, how) 2ksys_read(read, unsigned int, fd, char __user*, buf, size_t, count) 3ksys_write(write, unsigned int, fd, const char __user*, buf, size_t, count) 4ksys_pread64(pread64, unsigned int, fd, char __user*, buf, size_t, count, loff_t, pos) 5ksys_pwrite64(pwrite64, unsigned int, fd, const char __user*, buf, size_t, count, loff_t, pos) 6"do_readv(readv, unsigned long, fd, const struct iovec __user*, vec, 7 unsigned long, vlen, rwf_t, flags)" 8"do_writev(writev, unsigned long, fd, const struct iovec __user*, vec, 9 unsigned long, vlen, rwf_t, flags)" 10"do_preadv(preadv, unsigned long, fd, const struct iovec __user*, vec, 11 unsigned long, vlen, loff_t, pos, rwf_t, flags)" 12"do_pwritev(pwritev, unsigned long, fd, const struct iovec __user*, vec, 13 unsigned long, vlen, loff_t, pos, rwf_t, flags)" 14__close_fd(close, struct files_struct*, files, unsigned, fd)