]> Git Repo - J-linux.git/blob - io_uring/cancel.h
Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
[J-linux.git] / io_uring / cancel.h
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
7 struct 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
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);
20
21 int io_try_cancel(struct io_uring_task *tctx, struct io_cancel_data *cd,
22                   unsigned int issue_flags);
23
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);
26
27 static 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
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