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Date: Fri, 12 Dec 2014 21:26:52 +0200
From: vadim4j@...il.com
To: Stephen Hemminger <stephen@...workplumber.org>
Cc: Vadim Kochan <vadim4j@...il.com>, netdev@...r.kernel.org
Subject: Re: [PATCH iproute2 v3] ip: Simplify executing ip cmd within network
ns
On Fri, Dec 12, 2014 at 08:04:36AM +0200, vadim4j@...il.com wrote:
> On Thu, Dec 11, 2014 at 05:26:40PM -0800, Stephen Hemminger wrote:
> > On Fri, 12 Dec 2014 00:32:51 +0200
> > Vadim Kochan <vadim4j@...il.com> wrote:
> >
> > > +
> > > +#define NETNS_RUN_DIR "/var/run/netns"
> > > +#define NETNS_ETC_DIR "/etc/netns"
> > > +
> > > +#ifndef CLONE_NEWNET
> > > +#define CLONE_NEWNET 0x40000000 /* New network namespace (lo, device, names sockets, etc) */
> > > +#endif
> > > +
> > > +#ifndef MNT_DETACH
> > > +#define MNT_DETACH 0x00000002 /* Just detach from the tree */
> > > +#endif /* MNT_DETACH */
> > > +
> > > +/* sys/mount.h may be out too old to have these */
> > > +#ifndef MS_REC
> > > +#define MS_REC 16384
> > > +#endif
> > > +
> > > +#ifndef MS_SLAVE
> > > +#define MS_SLAVE (1 << 19)
> > > +#endif
> > > +
> > > +#ifndef MS_SHARED
> > > +#define MS_SHARED (1 << 20)
> > > +#endif
> > > +
> > > +extern int netns_switch(char *netns);
> > > +
> >
> > Maybe it would be cleaner to introduce a new file netns.h
> > with this and the setnetns syscall wrapper
> >
> And MS_*/MNT_* defines to new mount.h ?
>
> Thanks,
>
I think it can go all together (netns + mount things) to the new
include/namespace.h header, what do you think ?
And what about netns_switch func - let it be in utils.c/utils.h or
add new lib/namespace.c which will be linked to the libutil ?
Thanks,
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