From: Matthew Wilcox <[email protected]>
To: Pavel Begunkov <[email protected]>
Cc: Christoph Hellwig <[email protected]>,
Jens Axboe <[email protected]>,
[email protected], [email protected],
[email protected], [email protected],
[email protected], Kanchan Joshi <[email protected]>,
Javier Gonzalez <[email protected]>
Subject: Re: [PATCH 0/2] Remove kiocb ki_complete
Date: Thu, 9 Jul 2020 14:53:11 +0100 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On Thu, Jul 09, 2020 at 04:49:51PM +0300, Pavel Begunkov wrote:
> On 09/07/2020 16:43, Matthew Wilcox wrote:
> > On Thu, Jul 09, 2020 at 04:37:59PM +0300, Pavel Begunkov wrote:
> >> Kanchan, could you take a look if you can hide it in req->cflags?
> >
> > No, that's not what cflags are for. And besides, there's only 32 bits
> > there.
>
> It's there to temporarily store cqe->cflags, if a request can't completed
> right away. And req->{result,user_data,cflags} are basically an CQE inside
> io_kiocb.
>
> So, it is there exactly for that reason, and whatever way it's going to be
> encoded in an CQE, io_kiocb can fit it. That was my point.
But it's not going to be encoded in the CQE. Perhaps you should go back to
the older thread and read the arguments there.
next prev parent reply other threads:[~2020-07-09 13:53 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-08 22:26 [PATCH 0/2] Remove kiocb ki_complete Matthew Wilcox (Oracle)
2020-07-08 22:26 ` [PATCH 1/2] fs: Abstract calling the kiocb completion function Matthew Wilcox (Oracle)
2020-07-08 22:37 ` Jens Axboe
2020-07-08 22:40 ` Matthew Wilcox
2020-07-08 22:50 ` Jens Axboe
2020-07-08 22:26 ` [PATCH 2/2] fs: Remove kiocb->ki_complete Matthew Wilcox (Oracle)
2020-07-08 22:38 ` Jens Axboe
2020-07-09 3:25 ` Jens Axboe
2020-07-09 5:23 ` kernel test robot
2020-07-08 22:33 ` [PATCH 0/2] Remove kiocb ki_complete Jens Axboe
2020-07-09 10:17 ` Christoph Hellwig
2020-07-09 11:10 ` Matthew Wilcox
2020-07-09 13:26 ` Christoph Hellwig
2020-07-09 13:32 ` Matthew Wilcox
2020-07-09 13:53 ` Jens Axboe
2020-07-09 13:37 ` Pavel Begunkov
2020-07-09 13:43 ` Matthew Wilcox
2020-07-09 13:49 ` Pavel Begunkov
2020-07-09 13:53 ` Matthew Wilcox [this message]
2020-07-09 13:59 ` Pavel Begunkov
2020-07-09 13:55 ` Jens Axboe
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