From 6c73fd8eebec0f4cd4d3d2a26d851668cedfd30a Mon Sep 17 00:00:00 2001
From: Mateusz Guzik <mjguzik@gmail.com>
Date: Tue, 7 Oct 2025 01:43:20 +0200
Subject: [PATCH] Annotate arc_buf_is_shared as __maybe_unused

Otherwise the compiler warns about it on production FreeBSD builds.

The routine proved resilient to attempts to ifdef on debug.

Sponsored by:	Rubicon Communications, LLC ("Netgate")
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com>
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Closes #17818
---
 module/zfs/arc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/module/zfs/arc.c b/module/zfs/arc.c
index df41e3b49..b677f9028 100644
--- a/module/zfs/arc.c
+++ b/module/zfs/arc.c
@@ -1392,6 +1392,7 @@ arc_get_complevel(arc_buf_t *buf)
 	return (buf->b_hdr->b_complevel);
 }
 
+__maybe_unused
 static inline boolean_t
 arc_buf_is_shared(arc_buf_t *buf)
 {