1 files changed, 1 insertions, 29 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 9455974dabea..5d4d5d8db8ef 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -32,33 +32,6 @@ static int finish_current_insert(struct btrfs_trans_handle *trans, struct
 static int del_pending_extents(struct btrfs_trans_handle *trans, struct
                                btrfs_root *extent_root);
 
-static void reada_extent_leaves(struct btrfs_root *root,
-                                struct btrfs_path *path, u64 limit)
-{
-        struct btrfs_node *node;
-        int i;
-        int nritems;
-        u64 item_objectid;
-        u64 blocknr;
-        int slot;
-        int ret;
-
-        if (!path->nodes[1])
-                return;
-        node = btrfs_buffer_node(path->nodes[1]);
-        slot = path->slots[1] + 1;
-        nritems = btrfs_header_nritems(&node->header);
-        for (i = slot; i < nritems && i < slot + 8; i++) {
-                item_objectid = btrfs_disk_key_objectid(&node->ptrs[i].key);
-                if (item_objectid > limit)
-                        break;
-                blocknr = btrfs_node_blockptr(node, i);
-                ret = readahead_tree_block(root, blocknr);
-                if (ret)
-                        break;
-        }
-}
-
 static int cache_block_group(struct btrfs_root *root,
                              struct btrfs_block_group_cache *block_group)
 {
@@ -84,6 +57,7 @@ static int cache_block_group(struct btrfs_root *root,
         path = btrfs_alloc_path();
         if (!path)
                 return -ENOMEM;
+        path->reada = 1;
         key.objectid = block_group->key.objectid;
         key.flags = 0;
         key.offset = 0;
@@ -94,12 +68,10 @@ static int cache_block_group(struct btrfs_root *root,
         if (ret && path->slots[0] > 0)
                 path->slots[0]--;
         limit = block_group->key.objectid + block_group->key.offset;
-        reada_extent_leaves(root, path, limit);
         while(1) {
                 leaf = btrfs_buffer_leaf(path->nodes[0]);
                 slot = path->slots[0];
                 if (slot >= btrfs_header_nritems(&leaf->header)) {
-                        reada_extent_leaves(root, path, limit);
                         ret = btrfs_next_leaf(root, path);
                         if (ret < 0)
                                 goto err;