Struct BlkidCache

pub struct BlkidCache(/* private fields */);

Data structure representing cache in libblkid

Implementations

impl BlkidCache

pub fn put_cache(&mut self)

Save changes to cache file

pub fn get_cache(filename: Option<&Path>) -> Result<Self>

Allocate and initialize cache handler

Use None for filename to use the default cache path

pub fn gc_cache(&mut self)

Removes non-existent devices from cache

pub fn iter(&self) -> BlkidDevIter

Create an iterator from the cached devices

pub fn probe_all(&mut self) -> Result<()>

Probe for all block devices

pub fn probe_all_new(&mut self) -> Result<()>

Probe for all new block devices

pub fn probe_all_removable(&mut self) -> Result<()>

Probe for all removable block devices

pub fn get_dev(&self, devname: &Path, flags: BlkidDevFlags) -> Result<BlkidDev>

Find a device by device name in the cache.

Use the BlkidDevConst::Create flag to create an empty cache entry.

pub fn get_tag_value(&self, tag_name: &str, devname: &Path) -> Result<String>

Get the value associated with a tag (e.g. TYPE) for a given device

pub fn get_devname( &self, token_or_pair: Either<&str, (&str, &str)>, ) -> Result<String>

Get the device name for a specific NAME=value tag pair in the cache

pub fn find_dev_with_tag(&self, type_: &str, value: &str) -> Result<BlkidDev>

Find the device with the specified tag

pub fn verify(&mut self, dev: BlkidDev) -> Option<BlkidDev>

Verify that a device in the cache exists and remove it if it does not.

Trait Implementations

impl Drop for BlkidCache

fn drop(&mut self)

Executes the destructor for this type.