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virtio/fs: report actual bytes written in used ring len #701

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virtio/fs: report actual bytes written in used ring len #701

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12 changes: 8 additions & 4 deletions src/devices/src/virtio/fs/worker.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -231,18 +231,22 @@ impl FsWorker {
.map_err(FsError::QueueWriter)
.unwrap();

if let Err(e) = self.server.handle_message(
let len = match self.server.handle_message(
reader,
writer,
&self.shm_region,
&self.exit_code,
#[cfg(target_os = "macos")]
&self.map_sender,
) {
error!("error handling message: {e:?}");
}
Ok(len) => len,
Err(e) => {
error!("error handling message: {e:?}");
0
}
};

if let Err(e) = queue.add_used(&self.mem, head.index, 0) {
if let Err(e) = queue.add_used(&self.mem, head.index, len as u32) {
error!("failed to add used elements to the queue: {e:?}");
}

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