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moby--moby/daemon/graphdriver/overlayutils/overlayutils.go
Daniel Nephin 4f0d95fa6e Add canonical import comment
Signed-off-by: Daniel Nephin <dnephin@docker.com>
2018-02-05 16:51:57 -05:00

20 lines
685 B
Go

// +build linux
package overlayutils // import "github.com/docker/docker/daemon/graphdriver/overlayutils"
import (
"fmt"
"github.com/docker/docker/daemon/graphdriver"
)
// 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 += " Backing filesystems without d_type support are not supported."
return graphdriver.NotSupportedError(msg)
}