From 17437f311490d873a5157f65a84317d16270fd38 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Wed, 25 May 2022 09:13:39 -0600 Subject: io_uring: move SQPOLL related handling into its own file Signed-off-by: Jens Axboe --- io_uring/sqpoll.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 io_uring/sqpoll.h (limited to 'io_uring/sqpoll.h') diff --git a/io_uring/sqpoll.h b/io_uring/sqpoll.h new file mode 100644 index 000000000000..0c3fbcd1f583 --- /dev/null +++ b/io_uring/sqpoll.h @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0 + +struct io_sq_data { + refcount_t refs; + atomic_t park_pending; + struct mutex lock; + + /* ctx's that are using this sqd */ + struct list_head ctx_list; + + struct task_struct *thread; + struct wait_queue_head wait; + + unsigned sq_thread_idle; + int sq_cpu; + pid_t task_pid; + pid_t task_tgid; + + unsigned long state; + struct completion exited; +}; + +int io_sq_offload_create(struct io_ring_ctx *ctx, struct io_uring_params *p); +void io_sq_thread_finish(struct io_ring_ctx *ctx); +void io_sq_thread_stop(struct io_sq_data *sqd); +void io_sq_thread_park(struct io_sq_data *sqd); +void io_sq_thread_unpark(struct io_sq_data *sqd); +void io_put_sq_data(struct io_sq_data *sqd); +int io_sqpoll_wait_sq(struct io_ring_ctx *ctx); -- cgit v1.2.3