bcache: use of hlist_count_nodes()

Make use of the newly added hlist_count_nodes().

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Pierre Gondois <[email protected]>
Acked-by: Coly Li <[email protected]>
Acked-by: Marco Elver <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Cc: Arve Hjønnevåg <[email protected]>
Cc: Carlos Llamas <[email protected]>
Cc: Christian Brauner <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jani Nikula <[email protected]>
Cc: Joel Fernandes (Google) <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Kent Overstreet <[email protected]>
Cc: Martijn Coenen <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: Todd Kjos <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

1 files changed, 1 insertions, 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);