Struct OverlayFs 

pub struct OverlayFs { /* private fields */ }

Kernel overlay filesystem handle

Implementations

impl OverlayFs

pub fn new( lower: impl IntoIterator<Item = impl AsRef<Path>>, upper: Option<impl Into<PathBuf>>, work: Option<impl Into<PathBuf>>, target: impl AsRef<Path>, drop: bool, ) -> Result<OverlayFs>

pub fn readonly( lower: impl IntoIterator<Item = impl AsRef<Path>>, target: impl AsRef<Path>, ) -> Result<OverlayFs>

pub fn writable( lower: impl IntoIterator<Item = impl AsRef<Path>>, upper: impl AsRef<Path>, work: impl AsRef<Path>, target: impl AsRef<Path>, ) -> Result<OverlayFs>

pub fn work(&self) -> Option<&PathBuf>

pub fn set_work(&mut self, work: PathBuf) -> Result<()>

Trait Implementations

impl Debug for OverlayFs

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

Formats the value using the given formatter.

impl Drop for OverlayFs

fn drop(&mut self)

Executes the destructor for this type.

impl Filesystem for OverlayFs

fn mount(&mut self) -> Result<&mut Self>

Request a handle to mount the filesystem

fn unmount(&mut self) -> Result<&mut Self>

Request a handle to unmount the filesystem

fn scoped(&self) -> bool

Retrieve whetever mount is scoped (unmount on drop)

fn set_scoped(&mut self, drop: bool) -> &mut Self

Set whetever mount is scoped (unmount on drop)

fn id(&self) -> Option<&PartitionID>

Retrieve the partition Identifier “dev id” on UNIX and “volume serial number” on Windows if the partition isn’t mounted, it’ll return None

fn target(&self) -> PathBuf

Retrieve the mount point as PathBuf

fn set_target(&mut self, target: impl AsRef<Path>) -> Result<&mut Self>

Set Target mount point

fn is_available() -> bool

Get if the filesystem is available

fn add_option(&mut self, option: impl Into<String>) -> Result<()>

Add option

fn remove_option(&mut self, option: impl AsRef<str>) -> Result<()>

Remove an option

fn options(&self) -> &[String]

List currently active option

fn mounted(&self) -> bool

Check if the partition is mounted

fn append_options<I, T>(&mut self, options: I) -> Result<()>

where I: IntoIterator<Item = T>, T: Into<String>,

Add a collection of option

impl StackableFilesystem for OverlayFs

fn lower(&self) -> Vec<&Path>

Retrieve a list of lower layer

fn set_lower( &mut self, lower: impl IntoIterator<Item = impl AsRef<Path>>, ) -> Result<&mut Self>

Set lower layer

fn upper(&self) -> Option<&Path>

Retrieve upper layer if set

fn set_upper(&mut self, upper: impl Into<PathBuf>) -> Result<&mut Self>

Set upper layer

impl StateRecovery for OverlayFs

fn recover<P: AsRef<Path>>(path: P) -> Result<Self>

Recover a filesystem handle from system information