io_uring: add lazy poll_wq activation

[linux-block.git] / include / linux / io_uring_types.h

diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h
index 0d94ee191c1555f00b26eef07d472a80800ec97b..7b5e90520278a08826734003f3205e11264a42d7 100644 (file)
--- a/include/linux/io_uring_types.h
+++ b/include/linux/io_uring_types.h
@@ -206,6 +206,7 @@ struct io_ring_ctx {
                unsigned int            syscall_iopoll: 1;
                /* all CQEs should be posted only by the submitter task */
                unsigned int            task_complete: 1;
+               unsigned int            poll_activated: 1;
 
                enum task_work_notify_mode      notify_method;
                struct io_rings                 *rings;
@@ -357,6 +358,7 @@ struct io_ring_ctx {
        u32                             iowq_limits[2];
        bool                            iowq_limits_set;
 
+       struct callback_head            poll_wq_task_work;
        struct list_head                defer_list;
        unsigned                        sq_thread_idle;
        /* protected by ->completion_lock */