linux-kernel - Re: [PATCH V8 00/33] loop: Issue O_DIRECT aio using bio

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Date:	Tue, 15 Oct 2013 12:53:52 -0500
From:	Dave Kleikamp <dave.kleikamp@...cle.com>
To:	Christoph Hellwig <hch@...radead.org>,
	Benjamin LaHaise <bcrl@...ck.org>
CC:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Maxim V. Patlasov" <mpatlasov@...allels.com>,
	Zach Brown <zab@...bo.net>, linux-aio@...ck.org
Subject: Re: [PATCH V8 00/33] loop: Issue O_DIRECT aio using bio_vec

On 10/15/2013 12:18 PM, Christoph Hellwig wrote:
> On Tue, Oct 15, 2013 at 01:14:47PM -0400, Benjamin LaHaise wrote:
>>> While I agree that getting that would be useful it is something that has
>>> nothing to do with issueing aio from kernel space and holding this
>>> patchset hostage for something you'd like to see but that was
>>> complicated enough that no one even tried it for many years seems
>>> entirely unreasonable.
>>>
>>> If there are any other issues left that I have missed it would be nice
>>> to get a pointer to it, or a quick brief.
>>
>> The item I was refering to is to removing the opcodes used for in-kernel 
>> purposes from out of the range that the userland accessible opcodes can 
>> reach.  That is, put them above the 16 bit limit for userspace opcodes.  
>> There is absolutely no reason to expose kernel internal opcodes via the 
>> userspace exported includes.  It's a simple and reasonable change, and I 
>> see no reason for Dave not to make that modification.  Until that is 
>> done, I will nak the changes.
> 
> Oh, missed that.  I totally agree that it needs to be done.
> 
> Dave, will you have time to do it soon or should I look into it myself?

I'll take care of it. I actually made this change and somehow misplaced it.

Sorry about that.

Dave
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