1 // SPDX-License-Identifier: GPL-2.0
2 #ifndef IORING_CANCEL_H
3 #define IORING_CANCEL_H
5 #include <linux/io_uring_types.h>
7 struct io_cancel_data
{
8 struct io_ring_ctx
*ctx
;
18 int io_async_cancel_prep(struct io_kiocb
*req
, const struct io_uring_sqe
*sqe
);
19 int io_async_cancel(struct io_kiocb
*req
, unsigned int issue_flags
);
21 int io_try_cancel(struct io_uring_task
*tctx
, struct io_cancel_data
*cd
,
22 unsigned int issue_flags
);
24 int io_sync_cancel(struct io_ring_ctx
*ctx
, void __user
*arg
);
25 bool io_cancel_req_match(struct io_kiocb
*req
, struct io_cancel_data
*cd
);
27 static inline bool io_cancel_match_sequence(struct io_kiocb
*req
, int sequence
)
29 if (req
->cancel_seq_set
&& sequence
== req
->work
.cancel_seq
)
32 req
->cancel_seq_set
= true;
33 req
->work
.cancel_seq
= sequence
;