From: Pavel Emelyanov <xemul@openvz.org>
Date: Fri, 12 Oct 2007 17:06:13 +0400

> There are some objects that are common in all the places
> which are used to keep track of frag queues, they are:
> 
>  * hash table
>  * LRU list
>  * rw lock
>  * rnd number for hash function
>  * the number of queues
>  * the amount of memory occupied by queues
>  * secret timer
> 
> Move all this stuff into one structure (struct inet_frags)
> to make it possible use them uniformly in the future. Like
> with the previous patch this mostly consists of hunks like
> 
> -    write_lock(&ipfrag_lock);
> +    write_lock(&ip4_frags.lock);
> 
> To address the issue with exporting the number of queues and 
> the amount of memory occupied by queues outside the .c file
> they are declared in, I introduce a couple of helpers.
> 
> Signed-off-by: Pavel Emelyanov <xemul@openvz.org>

Applied.

'ipfrag_secret_timer' became unused, so I deleted it in this
patch too.