diff --git a/weed/operation/assign_file_id.go b/weed/operation/assign_file_id.go index a4753d234..f6d0e0110 100644 --- a/weed/operation/assign_file_id.go +++ b/weed/operation/assign_file_id.go @@ -8,6 +8,7 @@ import ( "github.com/seaweedfs/seaweedfs/weed/security" "github.com/seaweedfs/seaweedfs/weed/storage/needle" "google.golang.org/grpc" + "sync" ) type VolumeAssignRequest struct { @@ -66,9 +67,13 @@ func (ap *AssignProxy) Assign(primaryRequest *VolumeAssignRequest, alternativeRe type singleThreadAssignProxy struct { assignClient master_pb.Seaweed_StreamAssignClient + sync.Mutex } func (ap *singleThreadAssignProxy) doAssign(grpcConnection *grpc.ClientConn, primaryRequest *VolumeAssignRequest, alternativeRequests ...*VolumeAssignRequest) (ret *AssignResult, err error) { + ap.Lock() + defer ap.Unlock() + if ap.assignClient == nil { client := master_pb.NewSeaweedClient(grpcConnection) ap.assignClient, err = client.StreamAssign(context.Background())