blob: 76b32e65c03cd72452e37293bfcdc5b604e10267 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
// SPDX-License-Identifier: GPL-2.0
#ifndef IORING_CANCEL_H
#define IORING_CANCEL_H
#include <linux/io_uring_types.h>
struct io_cancel_data {
struct io_ring_ctx *ctx;
union {
u64 data;
struct file *file;
};
u8 opcode;
u32 flags;
int seq;
};
int io_async_cancel_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
int io_async_cancel(struct io_kiocb *req, unsigned int issue_flags);
int io_try_cancel(struct io_uring_task *tctx, struct io_cancel_data *cd,
unsigned int issue_flags);
void init_hash_table(struct io_hash_table *table, unsigned size);
int io_sync_cancel(struct io_ring_ctx *ctx, void __user *arg);
bool io_cancel_req_match(struct io_kiocb *req, struct io_cancel_data *cd);
static inline bool io_cancel_match_sequence(struct io_kiocb *req, int sequence)
{
if ((req->flags & REQ_F_CANCEL_SEQ) && sequence == req->work.cancel_seq)
return true;
req->flags |= REQ_F_CANCEL_SEQ;
req->work.cancel_seq = sequence;
return false;
}
#endif
|
