Re: [PATCH 0/4] quota: add new quotactl Q_XGETQUOTA2

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On 1/18/16 4:33 AM, Jan Kara wrote:
> On Fri 15-01-16 11:31:00, Eric Sandeen wrote:

...

>> For a purpose-built interface of "find the next ID" that wouldn't require any
>> structure or interface changes...
>>
>> We could name it Q_GETNEXTQUOTA / Q_XGETNEXTQUOTA to make it explicit about
>> the purpose, and document that return behavior.  Done & done.  ;)
>>
>> A new grand unified extensible quota call sounds like a great idea, I just
>> hate to gate this work on designing a brand-new interface.
> 
> OK, ok. I like Dave's proposal for quotactl2(). So let's leave the unification
> for later and implent Q_GETNEXTQUOTA and Q_XGETNEXTQUOTA with the
> functionality of your original Q_XGETQUOTA2. Having separate call to get
> next ID would save us one new quotactl but OTOH we would need two syscalls
> (and quota structure lookups) to report one structure and there are
> potentially *lots* of them.

Ok, I can re-do it with the new Q_[X]GETNEXTQUOTA names, I've already done
the non-xfs one as well, just starting testing on that.

With or without the flags argument?

Thanks,
-Eric

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