Struct disk::composite::AsyncCompositeDiskFile
source · pub struct AsyncCompositeDiskFile {
component_disks: Vec<AsyncComponentDiskPart>,
}
Fields§
§component_disks: Vec<AsyncComponentDiskPart>
Implementations§
source§impl AsyncCompositeDiskFile
impl AsyncCompositeDiskFile
fn length(&self) -> u64
fn disk_at_offset(&self, offset: u64) -> Result<&AsyncComponentDiskPart>
fn disks_in_range<'a>( &'a self, range: &Range<u64> ) -> Vec<&'a AsyncComponentDiskPart>
Trait Implementations§
source§impl AsyncDisk for AsyncCompositeDiskFile
impl AsyncDisk for AsyncCompositeDiskFile
source§fn flush<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<()>> + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn flush<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<()>> + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Flush intermediary buffers and/or dirty state to file. fsync not required.
source§fn fsync<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<()>> + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn fsync<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<()>> + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Asynchronously fsyncs any completed operations to the disk.
source§fn fdatasync<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<()>> + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn fdatasync<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<()>> + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Asynchronously fdatasyncs any completed operations to the disk.
Note that an implementation may simply call fsync for fdatasync.
source§fn read_to_mem<'a, 'async_trait>(
&'a self,
file_offset: u64,
mem: Arc<dyn BackingMemory + Send + Sync>,
mem_offsets: MemRegionIter<'a>
) -> Pin<Box<dyn Future<Output = Result<usize>> + 'async_trait>>where
Self: 'async_trait,
'a: 'async_trait,
fn read_to_mem<'a, 'async_trait>(
&'a self,
file_offset: u64,
mem: Arc<dyn BackingMemory + Send + Sync>,
mem_offsets: MemRegionIter<'a>
) -> Pin<Box<dyn Future<Output = Result<usize>> + 'async_trait>>where
Self: 'async_trait,
'a: 'async_trait,
Reads from the file at ‘file_offset’ into memory
mem
at mem_offsets
.
mem_offsets
is similar to an iovec except relative to the start of mem
.source§fn write_from_mem<'a, 'async_trait>(
&'a self,
file_offset: u64,
mem: Arc<dyn BackingMemory + Send + Sync>,
mem_offsets: MemRegionIter<'a>
) -> Pin<Box<dyn Future<Output = Result<usize>> + 'async_trait>>where
Self: 'async_trait,
'a: 'async_trait,
fn write_from_mem<'a, 'async_trait>(
&'a self,
file_offset: u64,
mem: Arc<dyn BackingMemory + Send + Sync>,
mem_offsets: MemRegionIter<'a>
) -> Pin<Box<dyn Future<Output = Result<usize>> + 'async_trait>>where
Self: 'async_trait,
'a: 'async_trait,
Writes to the file at ‘file_offset’ from memory
mem
at mem_offsets
.source§fn punch_hole<'life0, 'async_trait>(
&'life0 self,
file_offset: u64,
length: u64
) -> Pin<Box<dyn Future<Output = Result<()>> + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn punch_hole<'life0, 'async_trait>(
&'life0 self,
file_offset: u64,
length: u64
) -> Pin<Box<dyn Future<Output = Result<()>> + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Replaces a range of bytes with a hole.
source§fn write_zeroes_at<'life0, 'async_trait>(
&'life0 self,
file_offset: u64,
length: u64
) -> Pin<Box<dyn Future<Output = Result<()>> + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn write_zeroes_at<'life0, 'async_trait>(
&'life0 self,
file_offset: u64,
length: u64
) -> Pin<Box<dyn Future<Output = Result<()>> + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Writes up to
length
bytes of zeroes to the stream, returning how many bytes were written.source§fn read_double_buffered<'life0, 'life1, 'async_trait>(
&'life0 self,
file_offset: u64,
buf: &'life1 mut [u8]
) -> Pin<Box<dyn Future<Output = Result<usize>> + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn read_double_buffered<'life0, 'life1, 'async_trait>(
&'life0 self,
file_offset: u64,
buf: &'life1 mut [u8]
) -> Pin<Box<dyn Future<Output = Result<usize>> + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
Reads from the file at ‘file_offset’ into
buf
. Read moresource§fn write_double_buffered<'life0, 'life1, 'async_trait>(
&'life0 self,
file_offset: u64,
buf: &'life1 [u8]
) -> Pin<Box<dyn Future<Output = Result<usize>> + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn write_double_buffered<'life0, 'life1, 'async_trait>(
&'life0 self,
file_offset: u64,
buf: &'life1 [u8]
) -> Pin<Box<dyn Future<Output = Result<usize>> + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
Writes to the file at ‘file_offset’ from
buf
. Read moresource§impl DiskGetLen for AsyncCompositeDiskFile
impl DiskGetLen for AsyncCompositeDiskFile
source§impl FileAllocate for AsyncCompositeDiskFile
impl FileAllocate for AsyncCompositeDiskFile
Auto Trait Implementations§
impl !RefUnwindSafe for AsyncCompositeDiskFile
impl !Send for AsyncCompositeDiskFile
impl !Sync for AsyncCompositeDiskFile
impl Unpin for AsyncCompositeDiskFile
impl !UnwindSafe for AsyncCompositeDiskFile
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more