From: Jens Axboe <[email protected]>
To: [email protected]
Subject: [PATCHSET next 0/5] Extend cancelation support
Date: Fri, 15 Apr 2022 07:33:14 -0600 [thread overview]
Message-ID: <[email protected]> (raw)
Hi,
We currently only support looking up and canceling requests based on
the user_data of the original request. Sometimes it can be useful to
instead key off the fd used in the original request, eg if a socket
goes away.
Patch 1 is just a cleanup spotted while doing this, 2+3 are prep patches,
patch 4 adds support for IORING_ASYNC_CANCEL_ALL, and finally patch 5
adds support for IORING_ASYNC_CANCEL_FD.
If IORING_ASYNC_CANCEL_ALL is set, all requests matching the given
criteria are canceled. Return value is -ENOENT if none were found, or
a positive return indicating how many requests were found and canceled.
If IORING_ASYNC_CANCEL_FD is set, requests matching sqe->fd are
canceled rather than matching on sqe->addr for user_data.
v2:
- Add IORING_ASYNC_CANCEL_ALL
- Minor fixes for IORING_ASYNC_CANCEL_FD
--
Jens Axboe
next reply other threads:[~2022-04-15 13:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-15 13:33 Jens Axboe [this message]
2022-04-15 13:33 ` [PATCH 1/5] io_uring: remove dead 'poll_only' argument to io_poll_cancel() Jens Axboe
2022-04-15 13:33 ` [PATCH 2/5] io_uring: pass in struct io_cancel_data consistently Jens Axboe
2022-04-15 13:33 ` [PATCH 3/5] io_uring: rename io_cancel_data->user_data to just 'data' Jens Axboe
2022-04-15 13:33 ` [PATCH 4/5] io_uring: add support for IORING_ASYNC_CANCEL_ALL Jens Axboe
2022-04-15 13:33 ` [PATCH 5/5] io_uring: allow IORING_OP_ASYNC_CANCEL with 'fd' key Jens Axboe
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