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fs: handle EINTR in fs::write for io-uring #7786

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Merged
ADD-SP merged 1 commit into from
Dec 24, 2025
+8 −6
Merged

fs: handle EINTR in fs::write for io-uring #7786

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14 changes: 8 additions & 6 deletions tokio/src/fs/write.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -72,12 +72,14 @@ async fn write_uring(path: &Path, mut buf: OwnedBuf) -> io::Result<()> {
let mut buf_offset: usize = 0;
let mut file_offset: u64 = 0;
while buf_offset < total {
let (n, _buf, _fd) = Op::write_at(fd, buf, buf_offset, file_offset)?.await;
// TODO: handle EINT here
let n = n?;
if n == 0 {
return Err(io::ErrorKind::WriteZero.into());
}
let (res, _buf, _fd) = Op::write_at(fd, buf, buf_offset, file_offset)?.await;

let n = match res {
Ok(0) => return Err(io::ErrorKind::WriteZero.into()),
Ok(n) => n,
Err(e) if e.kind() == io::ErrorKind::Interrupted => 0,
Err(e) => return Err(e),
};

buf = _buf;
fd = _fd;
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