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

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Message-ID: <20160426123707.GE27612@quack2.suse.cz>
Date:	Tue, 26 Apr 2016 14:37:07 +0200
From:	Jan Kara <jack@...e.cz>
To:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
Cc:	Jan Kara <jack@...e.cz>, 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()

On Tue 26-04-16 14:31:58, Nicolas Dichtel wrote:
> 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.

OK, then feel free to add:

Acked-by: Jan Kara <jack@...e.cz>

to the quota patch.

								Honza

-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR