Index: vfs_subr.c
===================================================================
RCS file: /cvs/src/sys/kern/vfs_subr.c,v
diff -u -p -r1.322 vfs_subr.c
--- vfs_subr.c	13 Jul 2024 14:37:55 -0000	1.322
+++ vfs_subr.c	17 Oct 2024 02:07:54 -0000
@@ -246,10 +246,7 @@ vfs_unbusy(struct mount *mp)
 int
 vfs_isbusy(struct mount *mp)
 {
-	if (RWLOCK_OWNER(&mp->mnt_lock) > 0)
-		return (1);
-	else
-		return (0);
+	return (rw_status(&mp->mnt_lock) != 0);
 }
 
 /*