Windows: Add IgnoreFlushesDuringBoot

Signed-off-by: John Howard <jhoward@microsoft.com>

config-windows.md

@@ -94,3 +94,15 @@ The following parameters can be specified:
         }
    }
 ```
+
+## <a name="configWindowsIgnoreFlushesDuringBoot" />IgnoreFlushesDuringBoot
+
+You can indicate that a container should be started in an a mode where disk flushes are not performed during container boot via the OPTIONAL `ignoreflushesduringboot` field of the Windows configuration.
+
+### Example
+
+```json
+    "windows": {
+        "ignoreflushesduringboot": true
+    }
+```

schema/config-windows.json

@@ -65,6 +65,10 @@
                         }
                     }
                 }
+            },
+            "ignoreflushesduringboot": {
+                "id": "https://opencontainers.org/schema/bundle/windows/ignoreflushesduringboot",
+                "type": "boolean"
             }
         }
     }

specs-go/config.go

@@ -432,6 +432,8 @@ type SolarisAnet struct {
 type Windows struct {
 	// Resources contains information for handling resource constraints for the container.
 	Resources *WindowsResources `json:"resources,omitempty"`
+	// IgnoreFlushesDuringBoot indicates if the container is being started in a mode where disk writes are not flushed during its boot process.
+	IgnoreFlushesDuringBoot bool `json:"ignoreflushesduringboot,omitempty"`
 }
 
 // WindowsResources has container runtime resource constraints for containers running on Windows.