bcache: use of hlist_count_nodes()

Make use of the newly added hlist_count_nodes().

Link: https://lkml.kernel.org/r/20240104164937.424320-4-pierre.gondois@arm.com
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Acked-by: Coly Li <colyli@suse.de>
Acked-by: Marco Elver <elver@google.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Arve Hjønnevåg <arve@android.com>
Cc: Carlos Llamas <cmllamas@google.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Joel Fernandes (Google) <joel@joelfernandes.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Kent Overstreet <kent.overstreet@gmail.com>
Cc: Martijn Coenen <maco@android.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Todd Kjos <tkjos@android.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index a438efb..6956beb 100644 (file)
--- 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);