Re: [PATCH V8 00/33] loop: Issue O_DIRECT aio using bio_vec

[Christoph Hellwig]

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?
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