1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0
2 #ifndef IORING_CANCEL_H 2 #ifndef IORING_CANCEL_H
3 #define IORING_CANCEL_H 3 #define IORING_CANCEL_H
4 4
5 #include <linux/io_uring_types.h> 5 #include <linux/io_uring_types.h>
6 6
7 struct io_cancel_data { 7 struct io_cancel_data {
8 struct io_ring_ctx *ctx; 8 struct io_ring_ctx *ctx;
9 union { 9 union {
10 u64 data; 10 u64 data;
11 struct file *file; 11 struct file *file;
12 }; 12 };
13 u8 opcode; 13 u8 opcode;
14 u32 flags; 14 u32 flags;
15 int seq; 15 int seq;
16 }; 16 };
17 17
18 int io_async_cancel_prep(struct io_kiocb *req, 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, unsi 19 int io_async_cancel(struct io_kiocb *req, unsigned int issue_flags);
20 20
21 int io_try_cancel(struct io_uring_task *tctx, 21 int io_try_cancel(struct io_uring_task *tctx, struct io_cancel_data *cd,
22 unsigned int issue_flags); 22 unsigned int issue_flags);
23 void init_hash_table(struct io_hash_table *tab 23 void init_hash_table(struct io_hash_table *table, unsigned size);
24 24
25 int io_sync_cancel(struct io_ring_ctx *ctx, vo 25 int io_sync_cancel(struct io_ring_ctx *ctx, void __user *arg);
26 bool io_cancel_req_match(struct io_kiocb *req, 26 bool io_cancel_req_match(struct io_kiocb *req, struct io_cancel_data *cd);
27 27
28 static inline bool io_cancel_match_sequence(st 28 static inline bool io_cancel_match_sequence(struct io_kiocb *req, int sequence)
29 { 29 {
30 if (req->cancel_seq_set && sequence == 30 if (req->cancel_seq_set && sequence == req->work.cancel_seq)
31 return true; 31 return true;
32 32
33 req->cancel_seq_set = true; 33 req->cancel_seq_set = true;
34 req->work.cancel_seq = sequence; 34 req->work.cancel_seq = sequence;
35 return false; 35 return false;
36 } 36 }
37 37
38 #endif 38 #endif
39 39
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