1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h
index 166c8ddc0be4..ad4957b52f10 100644
--- a/drivers/md/bcache/bcache.h
+++ b/drivers/md/bcache/bcache.h
@@ -819,10 +819,9 @@ struct cache_set {
 
         /*
          * A btree node on disk could have too many bsets for an iterator to fit
-         * on the stack - this is a single element mempool for btree_read_work()
+         * on the stack - have to dynamically allocate them
          */
-        struct mutex            fill_lock;
-        struct btree_iter       *fill_iter;
+        mempool_t               *fill_iter;
 
         /*
          * btree_sort() is a merge sort and requires temporary space - single