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Use block_in_place for device pause/halt #725

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Use block_in_place for device pause/halt #725

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16 changes: 10 additions & 6 deletions bin/propolis-server/src/lib/vm/objects.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -344,9 +344,11 @@ impl VmObjectsLocked {

/// Pauses all of a VM's devices.
async fn pause_devices(&self) {
self.for_each_device(|name, dev| {
info!(self.log, "sending pause request to {}", name);
dev.pause();
tokio::task::block_in_place(|| {
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self.for_each_device(|name, dev| {
info!(self.log, "sending pause request to {}", name);
dev.pause();
});
});

struct NamedFuture {
Expand Down Expand Up @@ -396,9 +398,11 @@ impl VmObjectsLocked {
/// Stops all of a VM's devices and detaches its block backends from their
/// devices.
async fn halt_devices(&self) {
self.for_each_device(|name, dev| {
info!(self.log, "sending halt request to {}", name);
dev.halt();
tokio::task::block_in_place(|| {
self.for_each_device(|name, dev| {
info!(self.log, "sending halt request to {}", name);
dev.halt();
});
});

for (name, backend) in self.block_backends.iter() {
Expand Down
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