linux-kernel - [PATCH v2 3/3] bcache: Use of hlist_count

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Date: Thu,  4 Jan 2024 17:49:35 +0100
From: Pierre Gondois <pierre.gondois@....com>
To: linux-kernel@...r.kernel.org
Cc: Pierre Gondois <pierre.gondois@....com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Arve Hjønnevåg <arve@...roid.com>,
	Todd Kjos <tkjos@...roid.com>,
	Martijn Coenen <maco@...roid.com>,
	Joel Fernandes <joel@...lfernandes.org>,
	Christian Brauner <brauner@...nel.org>,
	Carlos Llamas <cmllamas@...gle.com>,
	Suren Baghdasaryan <surenb@...gle.com>,
	Coly Li <colyli@...e.de>,
	Kent Overstreet <kent.overstreet@...il.com>,
	Marco Elver <elver@...gle.com>,
	Kees Cook <keescook@...omium.org>,
	Lucas De Marchi <lucas.demarchi@...el.com>,
	Ingo Molnar <mingo@...nel.org>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	linux-bcache@...r.kernel.org
Subject: [PATCH v2 3/3] bcache: Use of hlist_count_nodes()

Make use of the newly added hlist_count_nodes().

Signed-off-by: Pierre Gondois <pierre.gondois@....com>
---
 drivers/md/bcache/sysfs.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index a438efb66069..6956beb55326 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -702,13 +702,7 @@ static unsigned int bch_cache_max_chain(struct cache_set *c)
 	for (h = c->bucket_hash;
 	     h < c->bucket_hash + (1 << BUCKET_HASH_BITS);
 	     h++) {
-		unsigned int i = 0;
-		struct hlist_node *p;
-
-		hlist_for_each(p, h)
-			i++;
-
-		ret = max(ret, i);
+		ret = max(ret, hlist_count_nodes(h));
 	}
 
 	mutex_unlock(&c->bucket_lock);
-- 
2.25.1