eater/async-std
1
0
Fork 0
forked from mirror/async-std
Code Issues Pull requests Releases Wiki Activity

Flush more often to prevent flushes during seek

Browse source
This commit is contained in:
Stjepan Glavina 2019-09-08 12:14:07 +02:00
parent 8d3d80a678
commit 8c00cc53ce
1 changed files with 8 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
src/fs/file.rs
View file

@ -144,10 +144,10 @@ impl File {
/// # Ok(()) }) }
/// ```
pub async fn sync_all(&self) -> io::Result<()> {
// Drain the write cache before calling `sync_all()`.
// Flush the write cache before calling `sync_all()`.
let state = future::poll_fn(|cx| {
let state = futures_core::ready!(self.lock.poll_lock(cx));
state.poll_drain(cx)
state.poll_flush(cx)
})
.await?;
@ -214,11 +214,11 @@ impl File {
/// # Ok(()) }) }
/// ```
pub async fn set_len(&self, size: u64) -> io::Result<()> {
// Invalidate the read/write cache before calling `set_len()`.
// Invalidate the read cache and flush the write cache before calling `set_len()`.
let state = future::poll_fn(|cx| {
let state = futures_core::ready!(self.lock.poll_lock(cx));
let state = futures_core::ready!(state.poll_unread(cx))?;
state.poll_drain(cx)
state.poll_flush(cx)
})
.await?;
@ -604,9 +604,9 @@ impl LockGuard<State> {
return Poll::Ready((&*self.file).seek(pos));
}
// Invalidate the read/write cache before calling `seek()`.
// Invalidate the read cache and flush the write cache before calling `seek()`.
self = futures_core::ready!(self.poll_unread(cx))?;
self = futures_core::ready!(self.poll_drain(cx))?;
self = futures_core::ready!(self.poll_flush(cx))?;
// Seek to the new position. This call is hopefully not blocking because it should just
// change the internal offset into the file and not touch the actual file.
@ -641,8 +641,8 @@ impl LockGuard<State> {
}
}
Mode::Writing => {
// If we're in writing mode, drain the write cache.
self = futures_core::ready!(self.poll_drain(cx))?;
// If we're in writing mode, flush the write cache.
self = futures_core::ready!(self.poll_flush(cx))?;
}
}