Fix btrfs_inc_ref to add backref hints
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 7c953b2..057cdd4 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -702,7 +702,7 @@
}
return btrfs_inc_extent_ref(trans, root, root->node->start,
root->node->len, owner_objectid,
- generation, 0, 0);
+ generation, key_objectid, level);
}
int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
@@ -746,10 +746,12 @@
}
} else {
bytenr = btrfs_node_blockptr(buf, i);
+ btrfs_node_key_to_cpu(buf, &key, i);
ret = btrfs_inc_extent_ref(trans, root, bytenr,
btrfs_level_size(root, level - 1),
root->root_key.objectid,
- trans->transid, 0, 0);
+ trans->transid, key.objectid,
+ level - 1);
if (ret) {
faili = i;
goto fail;