layer: remove unused ErrActiveMount, ErrNotMounted, ErrNotSupported
These errors were added in but were
never used.
@@ -38,23 +38,10 @@ var (
// used for creation.
ErrMountNameConflict = errors.New("mount already exists with name")
- // ErrActiveMount is used when an operation on a
- // mount is attempted but the layer is still
- // mounted and the operation cannot be performed.
- ErrActiveMount = errors.New("mount still active")
-
- // ErrNotMounted is used when requesting an active
- // mount but the layer is not mounted.
- ErrNotMounted = errors.New("not mounted")
-
// ErrMaxDepthExceeded is used when a layer is attempted
// to be created which would result in a layer depth
// greater than the 125 max.
ErrMaxDepthExceeded = errors.New("max depth exceeded")
-
- // ErrNotSupported is used when the action is not supported
- // on the current host operating system.
- ErrNotSupported = errors.New("not support on this host operating system")
)
// ChainID is the content-addressable ID of a layer.
