Struct Mount 

pub struct Mount { /* private fields */ }

An instance of a filesystem mounted in a namespace.

At a mount, path traversal switches from one filesystem to another. The client sees a composed directory structure that glues together the directories from the underlying FsNodes from those filesystems.

The mounts in a namespace form a mount tree, with mountpoint pointing to the parent and submounts pointing to the children.

Implementations

impl Mount

pub fn new( mounts_guard: &MountsWriteToken, what: WhatToMount, flags: MountpointFlags, ) -> Arc<Mount>

pub fn root(self: &Arc<Mount>) -> NamespaceNode

A namespace node referring to the root of the mount.

pub fn move_mount( source_mount: &Arc<Mount>, target_mount: &Arc<Mount>, target_dir: &DirEntryHandle, ) -> Result<(), Errno>

pub fn change_propagation( self: &Arc<Mount>, mounts_guard: &MountsWriteToken, flag: MountFlags, recursive: bool, )

pub fn update_flags(self: &Arc<Mount>, flags: MountpointFlags)

Updates the Mount with the per-mount flags specified in flags, while preserving the existing access-time flag if no access-time flag is set in flags.

pub fn unmount( &self, mounts_guard: &MountsWriteToken, flags: UnmountFlags, ) -> Result<(), Errno>

pub fn security_state(&self) -> &FileSystemState

Returns the security state of the fs.

pub fn fs_name(&self) -> &'static FsStr

Returns the name of the fs.

pub fn reconfigure_fs( &self, current_task: &CurrentTask, flags: FileSystemFlags, ) -> Result<(), Errno>

Reconfigures the flags for the FileSystem backing this mount point.

pub fn has_submount(&self, dir_entry: &DirEntryHandle) -> bool

Returns true if there is a submount on top of dir_entry.

pub fn mountpoint(&self) -> Option<NamespaceNode>

The NamespaceNode on which this Mount is mounted.

pub fn add_submount_internal( self: &Arc<Mount>, guard: &MountsWriteToken, dir: &DirEntryHandle, mount: Arc<Mount>, )

Add a child mount without propagating it to the peer group. For internal use only.

pub fn remove_submount_internal( self: &Arc<Mount>, guard: &MountsWriteToken, mount_hash_key: &ArcKey<DirEntry>, ) -> Result<(), Errno>

pub fn is_shared(&self) -> bool

Is the mount in a peer group? Corresponds to MS_SHARED.

Trait Implementations

impl Debug for Mount

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

Formats the value using the given formatter.

impl Drop for Mount

fn drop(&mut self)

Executes the destructor for this type.

fn pin_drop(self: Pin<&mut Self>)

🔬This is a nightly-only experimental API. (pin_ergonomics)

Execute the destructor for this type, but different to Drop::drop, it requires self to be pinned.