Struct kernel::fs::fat::FatFilesystem

pub struct FatFilesystem {
    start_lba: u32,
    size_in_sectors: u32,
    boot_sector: Box<FatBootSector>,
    fat: Fat,
    device: NoDebug<Arc<IdeDevice>>,
    cluster_cache: ClusterCache,
}

Fields

start_lba: u32

size_in_sectors: u32

boot_sector: Box<FatBootSector>

fat: Fat

device: NoDebug<Arc<IdeDevice>>

cluster_cache: ClusterCache

Implementations

impl FatFilesystem

fn new( start_lba: u32, size_in_sectors: u32, boot_sector: FatBootSector, device: Arc<IdeDevice> ) -> Result<Self, FileSystemError>

pub fn volume_label(&self) -> String

pub fn fat_type(&self) -> FatType

fn first_sector_of_cluster(&self, cluster: u32) -> u32

fn read_sectors_no_cache( &self, start_sector: u32, count: u32 ) -> Result<Vec<u8>, FileSystemError>

fn write_sectors( &self, start_sector: u32, data: &[u8] ) -> Result<(), FileSystemError>

fn get_cluster(&mut self, cluster: u32) -> Option<&mut ClusterCacheEntry>

fn lock_cluster( &mut self, cluster: u32 ) -> Result<&mut ClusterCacheEntry, FileSystemError>

fn flush_cluster_dirty_range_file( &mut self, inode: &FileNode, cluster_data: &[u8], cluster_num: u32, dirty_range: Range<usize> ) -> Result<(), FileSystemError>

Helper method to write the dirty parts of a cluster into disk

fn flush_cluster_dirty_range( &mut self, cluster_data: &[u8], cluster_num: u32, dirty_range: Range<usize> ) -> Result<(), FileSystemError>

fn release_cluster( &mut self, inode: &FileNode, cluster: u32 ) -> Result<(), FileSystemError>

fn flush_cluster( &mut self, inode: &FileNode, cluster: u32 ) -> Result<(), FileSystemError>

Same as release_cluster, but doesn’t release it, i.e. the cluster will still be used, but the dirty flag is removed

fn flush_fat(&mut self) -> Result<(), FileSystemError>

fn open_root_dir(&self) -> Result<Directory, FileSystemError>

fn open_root_dir_inode(&self) -> Result<DirectoryNode, FileSystemError>

pub fn open_dir_inode( &self, inode: &DirectoryNode ) -> Result<DirectoryIterator<'_>, FileSystemError>

fn read_write_file( &mut self, inode: &FileNode, position: u32, buf: FileAccessBuffer<'_>, access_helper: &mut AccessHelper ) -> Result<u64, FileSystemError>

fn update_directory_entry( &mut self, inode: &BaseNode, update: impl FnMut(&mut DirectoryEntryNormal) ) -> Result<(), FileSystemError>

fn add_directory_entry( &mut self, parent_inode: &DirectoryNode, name: &str, attributes: FileAttributes ) -> Result<Node, FileSystemError>

fn set_file_size( &mut self, inode: &mut FileNode, size: u64 ) -> Result<(), FileSystemError>

Trait Implementations

impl Debug for FatFilesystem

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

Formats the value using the given formatter.