bcache: kill closure locking usage

Signed-off-by: Kent Overstreet <kmo@daterainc.com>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c
index 03cb4d114e16..fab3767d6d28 100644
--- a/drivers/md/bcache/debug.c
+++ b/drivers/md/bcache/debug.c
@@ -127,9 +127,7 @@ void bch_btree_verify(struct btree *b, struct bset *new)
         if (!b->c->verify)
                 return;
 
-        closure_wait_event(&b->io.wait, &cl,
-                           atomic_read(&b->io.cl.remaining) == -1);
-
+        down(&b->io_mutex);
         mutex_lock(&b->c->verify_lock);
 
         bkey_copy(&v->key, &b->key);
@@ -137,8 +135,6 @@ void bch_btree_verify(struct btree *b, struct bset *new)
         v->level = b->level;
 
         bch_btree_node_read(v);
-        closure_wait_event(&v->io.wait, &cl,
-                           atomic_read(&b->io.cl.remaining) == -1);
 
         if (new->keys != v->sets[0].data->keys ||
             memcmp(new->start,
@@ -167,6 +163,7 @@ void bch_btree_verify(struct btree *b, struct bset *new)
         }
 
         mutex_unlock(&b->c->verify_lock);
+        up(&b->io_mutex);
 }
 
 void bch_data_verify(struct cached_dev *dc, struct bio *bio)