linux-kernel - [PATCH] rhashtable-test: Make use of rhashtable_walk

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Message-Id: <20230425135617.77907-1-cai.huoqing@linux.dev>
Date:   Tue, 25 Apr 2023 21:56:17 +0800
From:   Cai Huoqing <cai.huoqing@...ux.dev>
To:     cai.huoqing@...ux.dev
Cc:     Thomas Graf <tgraf@...g.ch>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] rhashtable-test: Make use of rhashtable_walk_peek

Add an example usage of rhashtable_walk_peek to test_bucket_stats.

Signed-off-by: Cai Huoqing <cai.huoqing@...ux.dev>
---
 lib/test_rhashtable.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/test_rhashtable.c b/lib/test_rhashtable.c
index c20f6cb4bf55..b1c3316b9bde 100644
--- a/lib/test_rhashtable.c
+++ b/lib/test_rhashtable.c
@@ -177,6 +177,7 @@ static void test_bucket_stats(struct rhashtable *ht, unsigned int entries)
 	unsigned int total = 0, chain_len = 0;
 	struct rhashtable_iter hti;
 	struct rhash_head *pos;
+	struct test_obj *obj;
 
 	rhashtable_walk_enter(ht, &hti);
 	rhashtable_walk_start(&hti);
@@ -192,6 +193,13 @@ static void test_bucket_stats(struct rhashtable *ht, unsigned int entries)
 			break;
 		}
 
+		/* Here's an example usage of rhashtable_walk_peek */
+		obj = rhashtable_walk_peek(&hti);
+		if (!obj) {
+			pr_warn("Test failed: rhashtable_walk_peek() error\n");
+			break;
+		}
+
 		total++;
 	}
 
-- 
2.34.1