diff options
Diffstat (limited to 'io_uring/cancel.h')
| -rw-r--r-- | io_uring/cancel.h | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/io_uring/cancel.h b/io_uring/cancel.h index 6a59ee484d0c..6783961ede1b 100644 --- a/io_uring/cancel.h +++ b/io_uring/cancel.h @@ -1,4 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 +#ifndef IORING_CANCEL_H +#define IORING_CANCEL_H #include <linux/io_uring_types.h> @@ -8,16 +10,42 @@ struct io_cancel_data { 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); +bool io_match_task_safe(struct io_kiocb *head, struct io_uring_task *tctx, + bool cancel_all); + +bool io_cancel_remove_all(struct io_ring_ctx *ctx, struct io_uring_task *tctx, + struct hlist_head *list, bool cancel_all, + bool (*cancel)(struct io_kiocb *)); +int io_cancel_remove(struct io_ring_ctx *ctx, struct io_cancel_data *cd, + unsigned int issue_flags, struct hlist_head *list, + bool (*cancel)(struct io_kiocb *)); +__cold bool io_uring_try_cancel_requests(struct io_ring_ctx *ctx, + struct io_uring_task *tctx, + bool cancel_all, bool is_sqpoll_thread); +__cold void io_uring_cancel_generic(bool cancel_all, struct io_sq_data *sqd); +__cold bool io_cancel_ctx_cb(struct io_wq_work *work, void *data); + +static inline bool io_cancel_match_sequence(struct io_kiocb *req, int sequence) +{ + if (req->cancel_seq_set && sequence == req->work.cancel_seq) + return true; + + req->cancel_seq_set = true; + req->work.cancel_seq = sequence; + return false; +} + +#endif |