stores: Report storage changes quickly

extern/sector-storage/stores/local.go

@@ -298,6 +298,11 @@ func (st *Local) reportHealth(ctx context.Context) {
 			return
 		}
 
+		st.reportStorage(ctx)
+	}
+}
+
+func (st *Local) reportStorage(ctx context.Context) {
 	st.localLk.RLock()
 
 	toReport := map[ID]HealthReport{}
@@ -318,7 +323,6 @@ func (st *Local) reportHealth(ctx context.Context) {
 		}
 	}
 }
-}
 
 func (st *Local) Reserve(ctx context.Context, sid abi.SectorID, ssize abi.SectorSize, ft storiface.SectorFileType, storageIDs storiface.SectorPaths, overheadTab map[storiface.SectorFileType]int) (func(), error) {
 	st.localLk.Lock()
@@ -568,6 +572,8 @@ func (st *Local) removeSector(ctx context.Context, sid abi.SectorID, typ storifa
 		log.Errorf("removing sector (%v) from %s: %+v", sid, spath, err)
 	}
 
+	st.reportStorage(ctx) // report freed space
+
 	return nil
 }
 
@@ -623,6 +629,8 @@ func (st *Local) MoveStorage(ctx context.Context, s abi.SectorID, ssize abi.Sect
 		}
 	}
 
+	st.reportStorage(ctx) // report space use changes
+
 	return nil
 }