Struct polyfuse::SessionInitializer

pub struct SessionInitializer { /* fields omitted */ }

Session initializer.

Methods

impl SessionInitializer

pub fn flags(&mut self) -> &mut CapabilityFlags

Return a reference to the capability flags.

pub fn max_readahead(&mut self, value: u32) -> &mut Self

Set the maximum readahead.

pub fn max_write(&mut self, value: u32) -> &mut Self

Set the maximum size of the write buffer.

Panic

It causes an assertion panic if the setting value is less than the absolute minimum.

pub fn max_background(&mut self, max_background: u16) -> &mut Self

Return the maximum number of pending background requests.

pub fn congestion_threshold(&mut self, threshold: u16) -> &mut Self

Set the threshold number of pending background requests that the kernel marks the filesystem as congested.

If the setting value is 0, the value is automatically calculated by using max_background.

Panics

It cause a panic if the setting value is greater than max_background.

pub fn time_gran(&mut self, time_gran: u32) -> &mut Self

Set the timestamp resolution supported by the filesystem.

The setting value has the nanosecond unit and should be a power of 10.

The default value is 1.

pub async fn try_init<'_, '_, I: ?Sized>(
    &'_ self,
    io: &'_ mut I
) -> Result<Option<Session>> where
    I: Reader + Writer + Unpin, 

Handle a FUSE_INIT request and create a new Session.

Trait Implementations

impl Debug for SessionInitializer

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

Formats the value using the given formatter.

impl Default for SessionInitializer

fn default() -> Self

Returns the "default value" for a type.