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[thin_check (rust)] Change io_engine trait to use slices rather than Vecs

This commit is contained in:
Joe Thornber 2020-08-18 12:57:05 +01:00
parent 2aa6859502
commit cdd0beb527
1 changed files with 6 additions and 7 deletions
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13
src/io_engine.rs
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@ -50,10 +50,9 @@ unsafe impl Send for Block {}
pub trait IoEngine {
fn get_nr_blocks(&self) -> u64;
fn read(&self, block: &mut Block) -> Result<()>;
// FIXME: change to &[Block]
fn read_many(&self, blocks: &mut Vec<Block>) -> Result<()>;
fn read_many(&self, blocks: &mut [Block]) -> Result<()>;
fn write(&self, block: &Block) -> Result<()>;
fn write_many(&self, blocks: &Vec<Block>) -> Result<()>;
fn write_many(&self, blocks: &[Block]) -> Result<()>;
}
fn get_nr_blocks(path: &Path) -> io::Result<u64> {
@ -123,7 +122,7 @@ impl IoEngine for SyncIoEngine {
Ok(())
}
fn read_many(&self, blocks: &mut Vec<Block>) -> Result<()> {
fn read_many(&self, blocks: &mut [Block]) -> Result<()> {
let mut input = self.get();
for b in blocks {
input.seek(io::SeekFrom::Start(b.loc * BLOCK_SIZE as u64))?;
@ -143,7 +142,7 @@ impl IoEngine for SyncIoEngine {
Ok(())
}
fn write_many(&self, blocks: &Vec<Block>) -> Result<()> {
fn write_many(&self, blocks: &[Block]) -> Result<()> {
let mut input = self.get();
for b in blocks {
input.seek(io::SeekFrom::Start(b.loc * BLOCK_SIZE as u64))?;
@ -300,7 +299,7 @@ impl IoEngine for AsyncIoEngine {
Ok(())
}
fn read_many(&self, blocks: &mut Vec<Block>) -> Result<()> {
fn read_many(&self, blocks: &mut [Block]) -> Result<()> {
let inner = self.inner.lock().unwrap();
let queue_len = inner.queue_len as usize;
drop(inner);
@ -340,7 +339,7 @@ impl IoEngine for AsyncIoEngine {
Ok(())
}
fn write_many(&self, blocks: &Vec<Block>) -> Result<()> {
fn write_many(&self, blocks: &[Block]) -> Result<()> {
let inner = self.inner.lock().unwrap();
let queue_len = inner.queue_len as usize;
drop(inner);