From: Jens Axboe <[email protected]>
To: [email protected]
Subject: [PATCHSET next 0/4] Allow cancelation based on fd
Date: Thu, 14 Apr 2022 14:24:15 -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,
and patch 4 then finally is the meat of it.
Adds IORING_ASYNC_CANCEL_FD as a IORING_OP_ASYNC_CANCEL request flag,
which tells the kernel that we're looking up by fd rather than user_data.
--
Jens Axboe
next reply other threads:[~2022-04-14 20:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-14 20:24 Jens Axboe [this message]
2022-04-14 20:24 ` [PATCH 1/4] io_uring: remove dead 'poll_only' argument to io_poll_cancel() Jens Axboe
2022-04-14 20:24 ` [PATCH 2/4] io_uring: pass in struct io_cancel_data consistently Jens Axboe
2022-04-14 20:24 ` [PATCH 3/4] io_uring: rename io_cancel_data->user_data to just 'data' Jens Axboe
2022-04-14 20:24 ` [PATCH 4/4] io_uring: allow IORING_OP_ASYNC_CANCEL with 'fd' key Jens Axboe
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