[CRIU] [PATCH] inet: raw -- Reserve image members for sockets options

Cyrill Gorcunov gorcunov at gmail.com
Wed Sep 26 23:47:49 MSK 2018


On Wed, Sep 26, 2018 at 07:57:39PM +0000, Andrey Vagin wrote:
> >  
> >  message ip_opts_entry {
> >  	optional bool			freebind	= 1;
> > -	optional ip_opts_raw_entry	raw		= 2;
> > +	// Fields 2 and 3 are reserved for vz7 use
> 
> How does criu use these fields?

In vz7 we've had raw socket support for a long time already.
And these teo members are used for raw sockets options.
I dropped old raw support from vz7 instance and merged
vanilla's variant of raw sockets. But to keep backward
compatibility in vz7 the members can be used in old
criu images.


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