From: Kanchan Joshi <[email protected]>
To: Christoph Hellwig <[email protected]>
Cc: "Kanchan Joshi" <[email protected]>,
"Jens Axboe" <[email protected]>,
[email protected], [email protected],
"Pavel Begunkov" <[email protected]>,
"Ming Lei" <[email protected]>,
"Luis Chamberlain" <[email protected]>,
"Pankaj Raghav" <[email protected]>,
"Javier González" <[email protected]>,
"Anuj Gupta" <[email protected]>
Subject: Re: [RFC 0/5] big-cqe based uring-passthru
Date: Tue, 5 Apr 2022 21:07:15 +0530 [thread overview]
Message-ID: <CA+1E3rJhw4gL_z8hk7a-4wuZ4a8C-_V8V8dX0c17ivOW2VEt=w@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
On Mon, Apr 4, 2022 at 12:51 PM Christoph Hellwig <[email protected]> wrote:
>
> I really can't get excited about the pdu thingy. Here is a patch
> (on top of the series and the patch sent in reply to patch 4) that
> does away with it and just adds a oob_user field to struct io_uring_cmd
> to simplify the handling a fair bit:
Fine. We discussed the tradeoff before, and the concern was
generic-space reduction for other use-cases.
But this is kernel-only change, so we can alter this if/when a new
usecase requires more space.
It seems fine to move ahead with what you proposed.
prev parent reply other threads:[~2022-04-06 2:27 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20220401110829epcas5p39f3cf4d3f6eb8a5c59794787a2b72b15@epcas5p3.samsung.com>
2022-04-01 11:03 ` [RFC 0/5] big-cqe based uring-passthru Kanchan Joshi
[not found] ` <CGME20220401110831epcas5p403bacabe8f7e5262356fdc1a2e66df90@epcas5p4.samsung.com>
2022-04-01 11:03 ` [RFC 1/5] io_uring: add support for 128-byte SQEs Kanchan Joshi
[not found] ` <CGME20220401110833epcas5p18e828a307a646cef5b7aa429be4396e0@epcas5p1.samsung.com>
2022-04-01 11:03 ` [RFC 2/5] fs: add file_operations->async_cmd() Kanchan Joshi
2022-04-04 7:09 ` Christoph Hellwig
[not found] ` <CGME20220401110834epcas5p4d1e5e8d1beb1a6205d670bbcb932bf77@epcas5p4.samsung.com>
2022-04-01 11:03 ` [RFC 3/5] io_uring: add infra and support for IORING_OP_URING_CMD Kanchan Joshi
2022-04-04 7:16 ` Christoph Hellwig
2022-04-04 8:20 ` Pavel Begunkov
2022-04-05 5:58 ` Christoph Hellwig
2022-04-06 6:37 ` Kanchan Joshi
2022-04-04 15:14 ` Kanchan Joshi
2022-04-05 6:00 ` Christoph Hellwig
2022-04-05 16:27 ` Kanchan Joshi
[not found] ` <CGME20220401110836epcas5p37bd59ab5a48cf77ca3ac05052a164b0b@epcas5p3.samsung.com>
2022-04-01 11:03 ` [RFC 4/5] io_uring: add support for big-cqe Kanchan Joshi
2022-04-04 7:07 ` Christoph Hellwig
2022-04-04 14:04 ` Kanchan Joshi
[not found] ` <CGME20220401110838epcas5p2c1a2e776923dfe5bf65a3e7946820150@epcas5p2.samsung.com>
2022-04-01 11:03 ` [RFC 5/5] nvme: wire-up support for async-passthru on char-device Kanchan Joshi
2022-04-04 7:20 ` Christoph Hellwig
2022-04-04 14:25 ` Kanchan Joshi
2022-04-05 6:02 ` Christoph Hellwig
2022-04-05 15:40 ` Jens Axboe
2022-04-05 15:49 ` Kanchan Joshi
2022-04-06 5:20 ` Kanchan Joshi
2022-04-06 5:23 ` Christoph Hellwig
2022-04-23 17:53 ` Christoph Hellwig
2022-04-25 17:38 ` Kanchan Joshi
2022-04-29 13:16 ` Kanchan Joshi
2022-04-04 7:21 ` [RFC 0/5] big-cqe based uring-passthru Christoph Hellwig
2022-04-05 15:37 ` Kanchan Joshi [this message]
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