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moby--moby/daemon/graphdriver/overlayutils/overlayutils.go
Akihiro Suda 2e20e63da2 overlay: warn if overlay backing fs doesn't support d_type
Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
2016-11-09 07:18:27 +00:00

18 lines
571 B
Go

// +build linux
package overlayutils
import (
"errors"
"fmt"
)
// ErrDTypeNotSupported denotes that the backing filesystem doesn't support d_type.
func ErrDTypeNotSupported(driver, backingFs string) error {
msg := fmt.Sprintf("%s: the backing %s filesystem is formatted without d_type support, which leads to incorrect behavior.", driver, backingFs)
if backingFs == "xfs" {
msg += " Reformat the filesystem with ftype=1 to enable d_type support."
}
msg += " Running without d_type support will no longer be supported in Docker 1.16."
return errors.New(msg)
}