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vm-migration: Make snapshot() mutable

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There will be some cases where the implementation of the snapshot()
function from the Snapshottable trait will require to modify some
internal data, therefore we make this possible by updating the trait
definition with snapshot(&mut self).

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf
2020-08-21 14:31:58 +02:00
committed by Samuel Ortiz
parent 7b898285d5
commit 871138d5cc
21 changed files with 22 additions and 22 deletions
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2
virtio-devices/src/block.rs
View File

@@ -620,7 +620,7 @@ impl<T: 'static + DiskFile + Send> Snapshottable for Block<T> {
self.id.clone()
}
fn snapshot(&self) -> std::result::Result<Snapshot, MigratableError> {
fn snapshot(&mut self) -> std::result::Result<Snapshot, MigratableError> {
let snapshot =
serde_json::to_vec(&self.state()).map_err(|e| MigratableError::Snapshot(e.into()))?;

2
virtio-devices/src/block_io_uring.rs
View File

@@ -670,7 +670,7 @@ impl Snapshottable for BlockIoUring {
self.id.clone()
}
fn snapshot(&self) -> std::result::Result<Snapshot, MigratableError> {
fn snapshot(&mut self) -> std::result::Result<Snapshot, MigratableError> {
let snapshot =
serde_json::to_vec(&self.state()).map_err(|e| MigratableError::Snapshot(e.into()))?;

2
virtio-devices/src/console.rs
View File

@@ -552,7 +552,7 @@ impl Snapshottable for Console {
self.id.clone()
}
fn snapshot(&self) -> std::result::Result<Snapshot, MigratableError> {
fn snapshot(&mut self) -> std::result::Result<Snapshot, MigratableError> {
let snapshot =
serde_json::to_vec(&self.state()).map_err(|e| MigratableError::Snapshot(e.into()))?;

2
virtio-devices/src/iommu.rs
View File

@@ -1016,7 +1016,7 @@ impl Snapshottable for Iommu {
self.id.clone()
}
fn snapshot(&self) -> std::result::Result<Snapshot, MigratableError> {
fn snapshot(&mut self) -> std::result::Result<Snapshot, MigratableError> {
let snapshot =
serde_json::to_vec(&self.state()).map_err(|e| MigratableError::Snapshot(e.into()))?;

2
virtio-devices/src/net.rs
View File

@@ -565,7 +565,7 @@ impl Snapshottable for Net {
self.id.clone()
}
fn snapshot(&self) -> std::result::Result<Snapshot, MigratableError> {
fn snapshot(&mut self) -> std::result::Result<Snapshot, MigratableError> {
let snapshot =
serde_json::to_vec(&self.state()).map_err(|e| MigratableError::Snapshot(e.into()))?;

2
virtio-devices/src/pmem.rs
View File

@@ -524,7 +524,7 @@ impl Snapshottable for Pmem {
self.id.clone()
}
fn snapshot(&self) -> std::result::Result<Snapshot, MigratableError> {
fn snapshot(&mut self) -> std::result::Result<Snapshot, MigratableError> {
let snapshot =
serde_json::to_vec(&self.state()).map_err(|e| MigratableError::Snapshot(e.into()))?;

2
virtio-devices/src/rng.rs
View File

@@ -348,7 +348,7 @@ impl Snapshottable for Rng {
self.id.clone()
}
fn snapshot(&self) -> std::result::Result<Snapshot, MigratableError> {
fn snapshot(&mut self) -> std::result::Result<Snapshot, MigratableError> {
let snapshot =
serde_json::to_vec(&self.state()).map_err(|e| MigratableError::Snapshot(e.into()))?;

2
virtio-devices/src/transport/mmio.rs
View File

@@ -462,7 +462,7 @@ impl Snapshottable for MmioDevice {
self.id.clone()
}
fn snapshot(&self) -> std::result::Result<Snapshot, MigratableError> {
fn snapshot(&mut self) -> std::result::Result<Snapshot, MigratableError> {
let snapshot =
serde_json::to_vec(&self.state()).map_err(|e| MigratableError::Snapshot(e.into()))?;

2
virtio-devices/src/transport/pci_common_config.rs
View File

@@ -290,7 +290,7 @@ impl Snapshottable for VirtioPciCommonConfig {
String::from("virtio_pci_common_config")
}
fn snapshot(&self) -> std::result::Result<Snapshot, MigratableError> {
fn snapshot(&mut self) -> std::result::Result<Snapshot, MigratableError> {
let snapshot =
serde_json::to_vec(&self.state()).map_err(|e| MigratableError::Snapshot(e.into()))?;

2
virtio-devices/src/transport/pci_device.rs
View File

@@ -1040,7 +1040,7 @@ impl Snapshottable for VirtioPciDevice {
self.id.clone()
}
fn snapshot(&self) -> std::result::Result<Snapshot, MigratableError> {
fn snapshot(&mut self) -> std::result::Result<Snapshot, MigratableError> {
let snapshot =
serde_json::to_vec(&self.state()).map_err(|e| MigratableError::Snapshot(e.into()))?;

2
virtio-devices/src/vsock/device.rs
View File

@@ -535,7 +535,7 @@ where
self.id.clone()
}
fn snapshot(&self) -> std::result::Result<Snapshot, MigratableError> {
fn snapshot(&mut self) -> std::result::Result<Snapshot, MigratableError> {
let snapshot =
serde_json::to_vec(&self.state()).map_err(|e| MigratableError::Snapshot(e.into()))?;