From 3f638bfa039d40ba4b988a6117066ab2c466ff7e Mon Sep 17 00:00:00 2001
From: Max Kellermann <max.kellermann@ionos.com>
Date: Fri, 17 Jan 2025 14:09:22 +0100
Subject: [PATCH] io/uring/Operation: add method GetUringData()

---
 src/io/uring/Operation.hxx | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/io/uring/Operation.hxx b/src/io/uring/Operation.hxx
index aeb059ffb..92be7fb92 100644
--- a/src/io/uring/Operation.hxx
+++ b/src/io/uring/Operation.hxx
@@ -4,6 +4,8 @@
 
 #pragma once
 
+#include <cassert>
+
 namespace Uring {
 
 class CancellableOperation;
@@ -33,6 +35,16 @@ public:
 		return cancellable != nullptr;
 	}
 
+	/**
+	 * Returns the data pointer that can be passed to
+	 * io_uring_prep_cancel().
+	 */
+	void *GetUringData() const noexcept {
+		assert(IsUringPending());
+
+		return cancellable;
+	}
+
 	/**
 	 * Cancel the operation.  OnUringCompletion() will not be
 	 * invoked.  This is a no-op if none is pending.