On Wednesday 24 September 2008 14:11:04 Grant Grundler wrote: > On Tue, Sep 23, 2008 at 10:34:30PM -0600, Matthew Wilcox wrote: > > > > > + return -ENOTSUPP; > > > > > > > > return -ENOTTY; > > > > > > I will modify this. But I still don't understand why -ENOTTY... I think > > > there are some history about it? > > > > Yes. ENOTTY means "This operation cannot be performed on this device". > > "man errno" says: > ENOTTY Inappropriate I/O control operation (POSIX.1) Thanks, Grant! But, it's sufficient here? I think FLR is not a I/O control operation... -- regards Yang, Sheng > > > EOPNOTSUPP is some networking error, I forget the details now. > > EOPNOTSUPP Operation not supported on socket (POSIX.1) > > (ENOTSUP and EOPNOTSUPP have the same value on > Linux, but according to POSIX.1 these error values should be distinct.) > > > man page doesn't mention ENOTSUPP. And that might be sufficient > reason to not use it. > Folks have replaced ENOTSUPP for that reason in the past: > http://www.uwsg.iu.edu/hypermail/linux/kernel/0402.3/0180.html > http://linux.derkeiler.com/Mailing-Lists/Kernel/2006-04/msg06283.html > > > hth, > grant > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
