package client
 
 import (
 	"encoding/json"
 	"fmt"
 
 	"github.com/docker/docker/api/types"
 	"golang.org/x/net/context"
 )
 
 // DiskUsage requests the current data usage from the daemon
 func (cli *Client) DiskUsage(ctx context.Context) (types.DiskUsage, error) {
 	var du types.DiskUsage
 
 	serverResp, err := cli.get(ctx, "/system/df", nil, nil)
 	if err != nil {
 		return du, err
 	}
 	defer ensureReaderClosed(serverResp)
 
 	if err := json.NewDecoder(serverResp.body).Decode(&du); err != nil {
 		return du, fmt.Errorf("Error retrieving disk usage: %v", err)
 	}
 
 	return du, nil
 }