Re: [PATCH 17/17] nvme: enable non-inline passthru commands

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On 3/30/22 7:14 AM, Kanchan Joshi wrote:
> On Wed, Mar 30, 2022 at 6:32 PM Christoph Hellwig <hch@xxxxxx> wrote:
>>
>> On Fri, Mar 25, 2022 at 07:09:21PM +0530, Kanchan Joshi wrote:
>>> Ok. If you are open to take new opcode/struct route, that is all we
>>> require to pair with big-sqe and have this sorted. How about this -
>>
>> I would much, much, much prefer to support a bigger CQE.  Having
>> a pointer in there just creates a fair amount of overhead and
>> really does not fit into the model nvme and io_uring use.
> 
> Sure, will post the code with bigger-cqe first.

I can add the support, should be pretty trivial. And do the liburing
side as well, so we have a sane base.

Then I'd suggest to collapse a few of the patches in the series,
the ones that simply modify or fix gaps in previous ones. Order
the series so we build the support and then add nvme support
nicely on top of that.

I'll send out a message on a rebase big sqe/cqe branch, will do
that once 5.18-rc1 is released so we can get it updated to a
current tree as well.

-- 
Jens Axboe




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