1 files changed, 5 insertions, 2 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 6af1211d4ee9..e2a5cc0d4a14 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1825,6 +1825,9 @@ struct btrfs_fs_info {
         spinlock_t reada_lock;
         struct radix_tree_root reada_tree;
 
+        /* readahead works cnt */
+        atomic_t reada_works_cnt;
+
         /* Extent buffer radix tree */
         spinlock_t buffer_lock;
         struct radix_tree_root buffer_radix;
@@ -4563,8 +4566,8 @@ struct reada_control *btrfs_reada_add(struct btrfs_root *root,
                               struct btrfs_key *start, struct btrfs_key *end);
 int btrfs_reada_wait(void *handle);
 void btrfs_reada_detach(void *handle);
-int btree_readahead_hook(struct btrfs_root *root, struct extent_buffer *eb,
-                         u64 start, int err);
+int btree_readahead_hook(struct btrfs_fs_info *fs_info,
+                         struct extent_buffer *eb, u64 start, int err);
 
 static inline int is_fstree(u64 rootid)
 {