Struct OverlayLayer 

pub struct OverlayLayer {
    pub readonly: bool,
    /* private fields */
}

A single layer in the overlay filesystem.

Fields

readonly: bool

Whether this layer is read-only (lower layer).

Implementations

impl OverlayLayer

pub fn new(readonly: bool) -> Self

Create a new layer.

pub fn add_entry(&mut self, entry: OverlayEntry) -> Result<(), KernelError>

Add an entry to the layer.

pub fn get_entry(&self, path: &str) -> Option<&OverlayEntry>

Look up an entry by path.

pub fn is_whiteout(&self, path: &str) -> bool

Check if a path has been whited out.

pub fn is_opaque_dir(&self, dir_path: &str) -> bool

Check if a directory is opaque (blocks looking into lower layers).

pub fn list_dir(&self, dir_path: &str) -> Vec<&OverlayEntry>

List entries in a directory (non-recursive).

pub fn entry_count(&self) -> usize

Trait Implementations

impl Clone for OverlayLayer

fn clone(&self) -> OverlayLayer

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for OverlayLayer

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.