github.com/jiasir/docker@v1.3.3-0.20170609024000-252e610103e7/daemon/graphdriver/overlayutils/overlayutils.go (about)

     1  // +build linux
     2  
     3  package overlayutils
     4  
     5  import (
     6  	"errors"
     7  	"fmt"
     8  )
     9  
    10  // ErrDTypeNotSupported denotes that the backing filesystem doesn't support d_type.
    11  func ErrDTypeNotSupported(driver, backingFs string) error {
    12  	msg := fmt.Sprintf("%s: the backing %s filesystem is formatted without d_type support, which leads to incorrect behavior.", driver, backingFs)
    13  	if backingFs == "xfs" {
    14  		msg += " Reformat the filesystem with ftype=1 to enable d_type support."
    15  	}
    16  	msg += " Running without d_type support will no longer be supported in Docker 17.12."
    17  	return errors.New(msg)
    18  }