Struct DentryCache 

pub struct DentryCache {
    cache: SpinLock<BTreeMap<String, Weak<Dentry>>>,
}

全局 Dentry 缓存

Fields

cache: SpinLock<BTreeMap<String, Weak<Dentry>>>

路径 -> dentry 的弱引用映射

Implementations

impl DentryCache

pub const fn new() -> Self

创建新的缓存

pub fn lookup(&self, path: &str) -> Option<Arc<Dentry>>

从缓存中查找 dentry

pub fn insert(&self, dentry: &Arc<Dentry>)

插入 dentry 到缓存

pub fn remove(&self, path: &str)

从缓存中移除

pub fn clear(&self)

清空缓存