netdev - Re: [PATCH net-next 3/8] fs/quota: use nla_put_u64

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Message-ID: <571F5FBE.8050900@6wind.com>
Date:	Tue, 26 Apr 2016 14:31:58 +0200
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	Jan Kara <jack@...e.cz>
Cc:	netdev@...r.kernel.org, davem@...emloft.net, sd@...asysnail.net,
	johannes@...solutions.net, kvalo@...eaurora.org,
	linux-wireless@...r.kernel.org, jack@...e.com,
	linux-kernel@...r.kernel.org, pshelar@...ira.com,
	dev@...nvswitch.org, jhs@...atatu.com, philipp.reisner@...bit.com,
	lars.ellenberg@...bit.com, drbd-dev@...ts.linbit.com
Subject: Re: [PATCH net-next 3/8] fs/quota: use nla_put_u64_64bit()

Le 26/04/2016 13:08, Jan Kara a écrit :
> On Tue 26-04-16 10:06:13, Nicolas Dichtel wrote:
>> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
> 
> OK, so I somewhat miss a description of what will this do to the netlink
> message so that I can judge whether the change is fine for the userspace
> counterpart parsing these messages. AFAIU this changes the message format
> by adding a QUOTA_NL_A_PAD field before each 64-bit field which needs an
> alignment, am I guessing right? Thus when the userspace counterpart uses
> genlmsg_parse() it should just silently ignore these attributes if I read
> the documentation right. Did I understand this correctly?
Yes, that's it.


Regards,
Nicolas