linux-kernel - [PATCH v2 1/6] lib/union_find: Add EXPORT_SYMBOL() for uf_find() and uf

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Message-Id: <20241007152833.2282199-2-visitorckw@gmail.com>
Date: Mon,  7 Oct 2024 23:28:28 +0800
From: Kuan-Wei Chiu <visitorckw@...il.com>
To: xavier_qy@....com,
	longman@...hat.com,
	lizefan.x@...edance.com,
	tj@...nel.org,
	hannes@...xchg.org,
	mkoutny@...e.com,
	akpm@...ux-foundation.org
Cc: jserv@...s.ncku.edu.tw,
	linux-kernel@...r.kernel.org,
	cgroups@...r.kernel.org,
	Kuan-Wei Chiu <visitorckw@...il.com>
Subject: [PATCH v2 1/6] lib/union_find: Add EXPORT_SYMBOL() for uf_find() and uf_union()

Add EXPORT_SYMBOL() for the uf_find() and uf_union() functions to allow
kernel modules, including the KUnit tests for the union-find data
structure, to use these functions. This enhances the usability of the
union-find implementation in a modular context, facilitating easier
testing and integration.

Signed-off-by: Kuan-Wei Chiu <visitorckw@...il.com>
---
 lib/union_find.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/union_find.c b/lib/union_find.c
index 413b0f8adf7a..c9fd30b8059c 100644
--- a/lib/union_find.c
+++ b/lib/union_find.c
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
+#include <linux/export.h>
 #include <linux/union_find.h>
 
 /**
@@ -21,6 +22,7 @@ struct uf_node *uf_find(struct uf_node *node)
 	}
 	return node;
 }
+EXPORT_SYMBOL(uf_find);
 
 /**
  * uf_union - Merge two sets, using union by rank
@@ -47,3 +49,4 @@ void uf_union(struct uf_node *node1, struct uf_node *node2)
 		root1->rank++;
 	}
 }
+EXPORT_SYMBOL(uf_union);
-- 
2.34.1