linux-kernel - Re: [PATCH] userns: Add basic quota support v2

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Message-ID: <503C9312.3070002@panasas.com>
Date:	Tue, 28 Aug 2012 12:44:50 +0300
From:	Boaz Harrosh <bharrosh@...asas.com>
To:	Jan Kara <jack@...e.cz>
CC:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	<linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
	<linux-fsdevel@...r.kernel.org>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	David Miller <davem@...emloft.net>,
	Steven Whitehouse <swhiteho@...hat.com>,
	Mark Fasheh <mfasheh@...e.com>,
	Joel Becker <jlbec@...lplan.org>, Ben Myers <bpm@....com>,
	Alex Elder <elder@...nel.org>,
	Dmitry Monakhov <dmonakhov@...nvz.org>,
	Abhijith Das <adas@...hat.com>
Subject: Re: [PATCH] userns: Add basic quota support v2

On 08/28/2012 12:05 PM, Jan Kara wrote:

>> +static inline u32 from_qown(struct user_namespace *user_ns, struct qown qown)
>> +{
>> +	switch (qown.type) {
>> +	case USRQUOTA:
>> +		return from_kuid(user_ns, qown.uid);
>> +	case GRPQUOTA:
>> +		return from_kgid(user_ns, qown.gid);
>> +	case XQM_PRJQUOTA:
>> +		return (user_ns == &init_user_ns) ? qown.prj : -1;
>> +	default:
>> +		BUG();
>> +	}
>> +}
>   I would like a bit more if the function somehow expressed in its name
> that it returns id. id_from_qown() might be a bit too long given how often
> it is used. qown2id() would be OK but it would be inconsistent with how
> names of other functions you've added are formed. So I'm somewhat
> undecided...
> 


qown_id()

> 								Honza


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