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io_uring: move timeout opcodes and handling into its own file

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Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe
2022-05-25 08:57:27 -06:00
parent e418bbc97b
commit 59915143e8
6 changed files with 701 additions and 660 deletions
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35
io_uring/timeout.h Normal file
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@@ -0,0 +1,35 @@
// SPDX-License-Identifier: GPL-2.0
struct io_timeout_data {
struct io_kiocb *req;
struct hrtimer timer;
struct timespec64 ts;
enum hrtimer_mode mode;
u32 flags;
};
struct io_kiocb *__io_disarm_linked_timeout(struct io_kiocb *req,
struct io_kiocb *link);
static inline struct io_kiocb *io_disarm_linked_timeout(struct io_kiocb *req)
{
struct io_kiocb *link = req->link;
if (link && link->opcode == IORING_OP_LINK_TIMEOUT)
return __io_disarm_linked_timeout(req, link);
return NULL;
}
__cold void io_flush_timeouts(struct io_ring_ctx *ctx);
int io_timeout_cancel(struct io_ring_ctx *ctx, struct io_cancel_data *cd);
__cold bool io_kill_timeouts(struct io_ring_ctx *ctx, struct task_struct *tsk,
bool cancel_all);
void io_queue_linked_timeout(struct io_kiocb *req);
bool io_disarm_next(struct io_kiocb *req);
int io_timeout_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
int io_link_timeout_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
int io_timeout(struct io_kiocb *req, unsigned int issue_flags);
int io_timeout_remove_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
int io_timeout_remove(struct io_kiocb *req, unsigned int issue_flags);