Struct RegularFile 

pub struct RegularFile<FS: FileSystem> {
    file: RegularFile,
    size: AtomicUsize,
    cache: PageCache<FS>,
}

An overlay on the RegularFile.

Fields

file: RegularFile

size: AtomicUsize

cache: PageCache<FS>

Trait Implementations

impl<FS: FileSystem> RegularFile for RegularFile<FS>

fn ino(&self) -> InodeNumber

Returns the inode number of the file.

fn size(&self) -> usize

Returns the size of the file in bytes.

fn read( &self, fba: FileBlockNumber, buf: &mut [u8; 4096], ) -> Result<bool, KernelError>

Reads data from the file into the provided buffer.

fn write( &self, fba: FileBlockNumber, buf: &[u8; 4096], min_size: usize, ) -> Result<(), KernelError>

Writes a 4096-byte page of data into the specified file block.

fn writeback(&self) -> Result<(), KernelError>

Write back the file to disk.

fn mmap(&self, fba: FileBlockNumber) -> Result<Page, KernelError>

Maps a file block into memory.