Struct disk::android_sparse::AsyncAndroidSparse
source · pub struct AsyncAndroidSparse {
inner: IoSource<File>,
total_size: u64,
chunks: BTreeMap<u64, ChunkWithSize>,
}
Expand description
An Android Sparse disk that implements AsyncDisk
for access.
Fields§
§inner: IoSource<File>
§total_size: u64
§chunks: BTreeMap<u64, ChunkWithSize>
Trait Implementations§
source§impl AsyncDisk for AsyncAndroidSparse
impl AsyncDisk for AsyncAndroidSparse
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 = DiskResult<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 = DiskResult<usize>> + 'async_trait>>where
Self: 'async_trait,
'a: 'async_trait,
Reads data from file_offset
to the end of the current chunk and write them into memory
mem
at mem_offsets
.
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 = DiskResult<()>> + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn fsync<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = DiskResult<()>> + '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 = DiskResult<()>> + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn fdatasync<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = DiskResult<()>> + '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 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 = DiskResult<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 = DiskResult<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 = DiskResult<()>> + '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 = DiskResult<()>> + '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 = DiskResult<()>> + '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 = DiskResult<()>> + '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 AsyncAndroidSparse
impl DiskGetLen for AsyncAndroidSparse
source§impl FileAllocate for AsyncAndroidSparse
impl FileAllocate for AsyncAndroidSparse
Auto Trait Implementations§
impl !RefUnwindSafe for AsyncAndroidSparse
impl Send for AsyncAndroidSparse
impl Sync for AsyncAndroidSparse
impl Unpin for AsyncAndroidSparse
impl !UnwindSafe for AsyncAndroidSparse
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