bcache: Convert bucket_wait to wait_queue_head_t

At one point we did do fancy asynchronous waiting stuff with
bucket_wait, but that's all gone (and bucket_wait is used a lot less
than it used to be). So use the standard primitives.

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

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/md/bcache/btree.h b/drivers/md/bcache/btree.h
index 72794ab8e8e5..d691d954730e 100644
--- a/drivers/md/bcache/btree.h
+++ b/drivers/md/bcache/btree.h
@@ -355,7 +355,7 @@ static inline void rw_unlock(bool w, struct btree *b)
                         _r = bch_btree_ ## fn(_b, op, ##__VA_ARGS__);   \
                 }                                                       \
                 rw_unlock(_w, _b);                                      \
-                bch_cannibalize_unlock(c, &(op)->cl);                   \
+                bch_cannibalize_unlock(c);                              \
                 if (_r == -ENOSPC) {                                    \
                         wait_event((c)->try_wait,                       \
                                    !(c)->try_harder);                   \
@@ -377,9 +377,9 @@ static inline bool should_split(struct btree *b)
 void bch_btree_node_read(struct btree *);
 void bch_btree_node_write(struct btree *, struct closure *);
 
-void bch_cannibalize_unlock(struct cache_set *, struct closure *);
+void bch_cannibalize_unlock(struct cache_set *);
 void bch_btree_set_root(struct btree *);
-struct btree *bch_btree_node_alloc(struct cache_set *, int, struct closure *);
+struct btree *bch_btree_node_alloc(struct cache_set *, int);
 struct btree *bch_btree_node_get(struct cache_set *, struct bkey *, int, bool);
 
 int bch_btree_insert_check_key(struct btree *, struct btree_op *,