From 8a2d95b4b5d513996fda52b5029fedd0d0ebd47d Mon Sep 17 00:00:00 2001
From: Erik Grinaker <erik@neon.tech>
Date: Mon, 17 Feb 2025 15:41:22 +0100
Subject: [PATCH] pageserver: appease unused lint on macOS (#10846)

## Problem

`SmgrOpFlushInProgress::measure()` takes a `socket_fd` argument which is
only used on Linux. This causes linter warnings on macOS.

Touches #10823.

## Summary of changes

Add a noop use of `socket_fd` on non-Linux branch.
---
 pageserver/src/metrics.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pageserver/src/metrics.rs b/pageserver/src/metrics.rs
index 0ffd4e851a..16ca4683ad 100644
--- a/pageserver/src/metrics.rs
+++ b/pageserver/src/metrics.rs
@@ -1489,6 +1489,7 @@ impl SmgrOpFlushInProgress {
                         }
                         #[cfg(not(target_os = "linux"))]
                         {
+                            _ = socket_fd; // appease unused lint on macOS
                             (-1, -1)
                         }
                     };