Re: [PATCH 0/3] vfs: plug some holes involving LAST_BIND symlinks and file bind mounts (try #5)

Jamie Lokier
2009-11-30T19:00:46Z

Duane Griffin wrote:
> 2009/11/24 Pavel Machek <pavel@ucw.cz>:
> > On Tue 2009-11-24 12:53:09, Miklos Szeredi wrote:
> >> I still believe leaving the current semantics and documenting them is
> >> the best option.
> >
> > I believe that current semantics is ugly enough that 'documenting' it
> > is not enough... and people want to port from other systems, too, not
> > expecting nasty surprises like this...
>
> Solaris 10 works the same way as Linux does now, so I don't think the
> porting argument gets you anywhere.

It certainly must be similar, as gnulib uses the same technique on
both Solaris and Linux.

I don't have a Solaris to try this on. Can you use /proc to re-open
with O_RDWR a file descriptor previously opened with O_RDONLY on
Solaris 10, assuming the underlying inode allows writing?

-- Jamie