James Matlik
42 lines
989 B
Rust
42 lines
989 B
Rust
use syscall::error::Result;
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#[cfg(feature = "std")]
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pub use self::cache::DiskCache;
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#[cfg(feature = "std")]
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pub use self::file::DiskFile;
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#[cfg(feature = "std")]
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pub use self::io::DiskIo;
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#[cfg(feature = "std")]
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pub use self::memory::DiskMemory;
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#[cfg(feature = "std")]
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pub use self::sparse::DiskSparse;
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#[cfg(feature = "std")]
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mod cache;
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#[cfg(feature = "std")]
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mod file;
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#[cfg(feature = "std")]
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mod io;
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#[cfg(feature = "std")]
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mod memory;
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#[cfg(feature = "std")]
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mod sparse;
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/// A disk
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pub trait Disk {
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/// Read blocks from disk
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///
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/// # Safety
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/// Unsafe to discourage use, use filesystem wrappers instead
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unsafe fn read_at(&mut self, block: u64, buffer: &mut [u8]) -> Result<usize>;
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/// Write blocks from disk
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///
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/// # Safety
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/// Unsafe to discourage use, use filesystem wrappers instead
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unsafe fn write_at(&mut self, block: u64, buffer: &[u8]) -> Result<usize>;
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/// Get size of disk in bytes
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fn size(&mut self) -> Result<u64>;
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}
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