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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Cc: netfilter-devel@vger.kernel.org, kaber@trash.net
Subject: Re: [PATCH] nf_tables: Transaction API proposal
Date: Wed, 27 Mar 2013 17:42:00 +0100	[thread overview]
Message-ID: <20130327164200.GA5163@localhost> (raw)
In-Reply-To: <20130327163550.GA5136@localhost>

One more thing:

On Wed, Mar 27, 2013 at 05:35:50PM +0100, Pablo Neira Ayuso wrote:
[...]
> > @@ -1650,8 +1639,8 @@ static int nf_tables_newrule(struct sock *nlsk, struct sk_buff *skb,
> >  	else
> >  		list_add_rcu(&rule->list, &chain->rules);
> >  
> > -	if (flags & NFT_RULE_F_COMMIT) {
> > -		err = nf_tables_dirty_add(rule, &ctx);
> > +	if (transaction != NULL) {
> > +		err = nf_tables_transaction_add(&ctx, transaction, rule);
> >  		if (err < 0) {
> >  			list_del_rcu(&rule->list);
> >  			goto err2;

We can still support incremental updates without transactions (ie.
adding/delete one single rule). However, if a non-transactional rule
update happens while there is an ongoing transaction, we'll have to
reject it with -EBUSY.

  reply	other threads:[~2013-03-27 16:42 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-28 23:08 [PATCH 1/2] netfilter: nf_tables: partially rework commit and abort operation pablo
2013-02-28 23:08 ` [PATCH 2/2] netfilter: nf_tables: don't skip inactive rules and dump generation mask pablo
2013-03-04 12:22 ` [PATCH 1/2] netfilter: nf_tables: partially rework commit and abort operation Tomasz Bursztyka
2013-03-26 10:19 ` [RFC] Atomic rule manipulation part of transactions Tomasz Bursztyka
2013-03-26 10:19   ` [PATCH] nf_tables: Transaction API proposal Tomasz Bursztyka
2013-03-27 16:35     ` Pablo Neira Ayuso
2013-03-27 16:42       ` Pablo Neira Ayuso [this message]
2013-03-28  8:01       ` Tomasz Bursztyka
2013-03-28 10:04         ` Pablo Neira Ayuso
2013-03-28 13:52           ` [RFC v2] " Tomasz Bursztyka
2013-03-28 17:02             ` Pablo Neira Ayuso
2013-04-02  8:26               ` Tomasz Bursztyka

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