bcachefs: Fix rcu imbalance in bch2_fs_btree_key_cache_exit()

Spotted by sparse.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

diff --git a/fs/bcachefs/btree_key_cache.c b/fs/bcachefs/btree_key_cache.c
index c378b97ebeca711550f3385ab99c5ec5c24b0040..1821f40c161a17fce81e6467dea3e7916738a813 100644 (file)
--- a/fs/bcachefs/btree_key_cache.c
+++ b/fs/bcachefs/btree_key_cache.c
@@ -748,7 +748,6 @@ void bch2_fs_btree_key_cache_exit(struct btree_key_cache *bc)
                                rcu_read_unlock();
                                mutex_lock(&bc->table.mutex);
                                mutex_unlock(&bc->table.mutex);
-                               rcu_read_lock();
                                continue;
                        }
                        for (i = 0; i < tbl->size; i++)