1// SPDX-License-Identifier: GPL-2.0
 2#ifndef IORING_CANCEL_H
 3#define IORING_CANCEL_H
 4
 5#include <linux/io_uring_types.h>
 6
 7struct io_cancel_data {
 8	struct io_ring_ctx *ctx;
 9	union {
10		u64 data;
11		struct file *file;
12	};
13	u8 opcode;
14	u32 flags;
15	int seq;
16};
17
 
18int io_async_cancel_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
19int io_async_cancel(struct io_kiocb *req, unsigned int issue_flags);
20
21int io_try_cancel(struct io_uring_task *tctx, struct io_cancel_data *cd,
22		  unsigned int issue_flags);
 
23
24int io_sync_cancel(struct io_ring_ctx *ctx, void __user *arg);
25bool io_cancel_req_match(struct io_kiocb *req, struct io_cancel_data *cd);
26
27static inline bool io_cancel_match_sequence(struct io_kiocb *req, int sequence)
28{
29	if (req->cancel_seq_set && sequence == req->work.cancel_seq)
30		return true;
31
32	req->cancel_seq_set = true;
33	req->work.cancel_seq = sequence;
34	return false;
35}
36
37#endif

 1// SPDX-License-Identifier: GPL-2.0
 
 
 2
 3#include <linux/io_uring_types.h>
 4
 5struct io_cancel_data {
 6	struct io_ring_ctx *ctx;
 7	union {
 8		u64 data;
 9		struct file *file;
10	};
 
11	u32 flags;
12	int seq;
13};
14
15
16int io_async_cancel_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
17int io_async_cancel(struct io_kiocb *req, unsigned int issue_flags);
18
19int io_try_cancel(struct io_uring_task *tctx, struct io_cancel_data *cd,
20		  unsigned int issue_flags);
21void init_hash_table(struct io_hash_table *table, unsigned size);
22
23int io_sync_cancel(struct io_ring_ctx *ctx, void __user *arg);