From: Jens Axboe <axboe@kernel.dk>
To: Pavel Begunkov <asml.silence@gmail.com>, io-uring@vger.kernel.org
Subject: Re: [RFC v2 00/12] dynamic buffers + rsrc tagging
Date: Sun, 25 Apr 2021 10:15:27 -0600 [thread overview]
Message-ID: <8bb3e251-e59d-de8c-2dc7-4cde8ea71a37@kernel.dk> (raw)
In-Reply-To: <cover.1619356238.git.asml.silence@gmail.com>
On 4/25/21 7:32 AM, Pavel Begunkov wrote:
> 1) support dynamic managment for registered buffers, including
> update.
>
> 2) add new IORING_REGISTER* for rsrc register and rsrc update,
> which are just dispatch files/buffers to right callbacks. Needed
> because old ones not nicely extendible. The downside --
> restrictions not supporting it with fine granularity.
>
> 3) add rsrc tagging, with tag=0 ingnoring CQE posting.
> Doesn't post CQEs on unregister, but can easily be changed
>
> v2: instead of async_data importing for fixed rw, save
> used io_mapped_ubuf and use it on re-import.
> Add patch 9/12 as a preparation for that.
>
> Fix prep rw getting a rsrc node ref for fixed files without
> having a rsrc node.
This looks Good Enough for me, let's get it queued up.
--
Jens Axboe
prev parent reply other threads:[~2021-04-25 16:15 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-25 13:32 [RFC v2 00/12] dynamic buffers + rsrc tagging Pavel Begunkov
2021-04-25 13:32 ` [PATCH v2 01/12] io_uring: move __io_sqe_files_unregister Pavel Begunkov
2021-04-25 13:32 ` [PATCH v2 02/12] io_uring: return back rsrc data free helper Pavel Begunkov
2021-04-25 13:32 ` [PATCH v2 03/12] io_uring: decouple CQE filling from requests Pavel Begunkov
2021-04-25 13:32 ` [PATCH v2 04/12] io_uring: preparation for rsrc tagging Pavel Begunkov
2021-04-25 13:32 ` [PATCH v2 05/12] io_uring: add generic path for rsrc update Pavel Begunkov
2021-04-25 13:32 ` [PATCH v2 06/12] io_uring: enumerate dynamic resources Pavel Begunkov
2021-04-25 13:32 ` [PATCH v2 07/12] io_uring: add IORING_REGISTER_RSRC Pavel Begunkov
2021-04-25 13:32 ` [PATCH v2 08/12] io_uring: add generic rsrc update with tags Pavel Begunkov
2021-04-25 13:32 ` [PATCH v2 09/12] io_uring: keep table of pointers to ubufs Pavel Begunkov
2021-04-25 13:32 ` [PATCH v2 10/12] io_uring: prepare fixed rw for dynanic buffers Pavel Begunkov
2021-04-25 13:32 ` [PATCH v2 11/12] io_uring: implement fixed buffers registration similar to fixed files Pavel Begunkov
2021-04-25 13:32 ` [PATCH v2 12/12] io_uring: add full-fledged dynamic buffers support Pavel Begunkov
2021-04-25 16:15 ` Jens Axboe [this message]
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