const golang.org/x/sys/unix.SYS_FDATASYNC

2 uses

	golang.org/x/sys/unix (current package)
		zsyscall_linux.go#L723: 	_, _, e1 := Syscall(SYS_FDATASYNC, uintptr(fd), 0, 0)
		zsysnum_linux_amd64.go#L85: 	SYS_FDATASYNC               = 75