Re: mknod(2) and POSIX

[Valery Ushakov <uwe%stderr.spb.ru@localhost>]

On Tue, Jun 18, 2019 at 14:30:26 +0200, Jason Thorpe wrote:

> > On Jun 18, 2019, at 2:25 PM, Jason Thorpe <thorpej%me.com@localhost> wrote:
> > 
> >> On Jun 18, 2019, at 2:01 PM, Greg Troxel <gdt%lexort.com@localhost> wrote:
> >> 
> >> I realize mkfifo is preferred in our world, and POSIX says it is
> >> preferred.  But I believe we have a failure to follow POSIX.
> >> 
> >> Other opinions?
> > 
> > Seems you are correct.
> 
> Sorry!  Hit "send" prematurely.
> 
> mknod(2) for the FIFO case should allow users under the same
> circumstances that mkfifo(2) does.

Since our mknod() is a wrapper, we can trivially dispath to mkfifo
syscall for mknod calls with S_IFIFO, can't we?  I don't think we
should make the mknod syscall itself to support this.

-uwe