filer: option to create file only if it is new, O_EXCL

11 files changed, 140 insertions, 122 deletions

diff --git a/other/java/client/src/main/proto/filer.proto b/other/java/client/src/main/proto/filer.proto
index ef847cbe7..41c1650d4 100644
--- a/other/java/client/src/main/proto/filer.proto
+++ b/other/java/client/src/main/proto/filer.proto
@@ -123,6 +123,7 @@ message FuseAttributes {
 message CreateEntryRequest {
     string directory = 1;
     Entry entry = 2;
+    bool o_excl = 3;
 }
 
 message CreateEntryResponse {
diff --git a/weed/filer2/filer.go b/weed/filer2/filer.go
index b724e20fd..96a010fce 100644
--- a/weed/filer2/filer.go
+++ b/weed/filer2/filer.go
@@ -72,7 +72,7 @@ func (f *Filer) RollbackTransaction(ctx context.Context) error {
 	return f.store.RollbackTransaction(ctx)
 }
 
-func (f *Filer) CreateEntry(ctx context.Context, entry *Entry) error {
+func (f *Filer) CreateEntry(ctx context.Context, entry *Entry, o_excl bool) error {
 
 	if string(entry.FullPath) == "/" {
 		return nil
@@ -160,6 +160,9 @@ func (f *Filer) CreateEntry(ctx context.Context, entry *Entry) error {
 			return fmt.Errorf("insert entry %s: %v", entry.FullPath, err)
 		}
 	} else {
+		if o_excl {
+			return fmt.Errorf("EEXIST: entry %s already exists", entry.FullPath)
+		}
 		if err := f.UpdateEntry(ctx, oldEntry, entry); err != nil {
 			glog.Errorf("update entry %s: %v", entry.FullPath, err)
 			return fmt.Errorf("update entry %s: %v", entry.FullPath, err)
diff --git a/weed/filer2/leveldb/leveldb_store_test.go b/weed/filer2/leveldb/leveldb_store_test.go
index 904de8c97..983e1cbe9 100644
--- a/weed/filer2/leveldb/leveldb_store_test.go
+++ b/weed/filer2/leveldb/leveldb_store_test.go
@@ -30,7 +30,7 @@ func TestCreateAndFind(t *testing.T) {
 		},
 	}
 
-	if err := filer.CreateEntry(ctx, entry1); err != nil {
+	if err := filer.CreateEntry(ctx, entry1, false); err != nil {
 		t.Errorf("create entry %v: %v", entry1.FullPath, err)
 		return
 	}
diff --git a/weed/filer2/leveldb2/leveldb2_store_test.go b/weed/filer2/leveldb2/leveldb2_store_test.go
index e28ef7dac..58637b7b6 100644
--- a/weed/filer2/leveldb2/leveldb2_store_test.go
+++ b/weed/filer2/leveldb2/leveldb2_store_test.go
@@ -30,7 +30,7 @@ func TestCreateAndFind(t *testing.T) {
 		},
 	}
 
-	if err := filer.CreateEntry(ctx, entry1); err != nil {
+	if err := filer.CreateEntry(ctx, entry1, false); err != nil {
 		t.Errorf("create entry %v: %v", entry1.FullPath, err)
 		return
 	}
diff --git a/weed/filesys/dir.go b/weed/filesys/dir.go
index 7ed638e0e..3c1672911 100644
--- a/weed/filesys/dir.go
+++ b/weed/filesys/dir.go
@@ -3,6 +3,7 @@ package filesys
 import (
 	"context"
 	"os"
+	"strings"
 	"time"
 
 	"github.com/chrislusf/seaweedfs/weed/filer2"
@@ -123,26 +124,29 @@ func (dir *Dir) Create(ctx context.Context, req *fuse.CreateRequest,
 				TtlSec:      dir.wfs.option.TtlSec,
 			},
 		},
+		OExcl: req.Flags&fuse.OpenExclusive != 0,
 	}
-	glog.V(1).Infof("create: %v", request)
+	glog.V(1).Infof("create: %v", req.String())
 
-	if request.Entry.IsDirectory {
-		if err := dir.wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
-			if _, err := client.CreateEntry(ctx, request); err != nil {
-				glog.V(0).Infof("create %s/%s: %v", dir.Path, req.Name, err)
-				return fuse.EIO
+	if err := dir.wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
+		if _, err := client.CreateEntry(ctx, request); err != nil {
+			glog.V(0).Infof("create %s/%s: %v", dir.Path, req.Name, err)
+			if strings.Contains(err.Error(), "EEXIST") {
+				return fuse.EEXIST
 			}
-			return nil
-		}); err != nil {
-			return nil, nil, err
+			return fuse.EIO
 		}
+		return nil
+	}); err != nil {
+		return nil, nil, err
 	}
-
 	node := dir.newFile(req.Name, request.Entry)
-	file := node.(*File)
-	if !request.Entry.IsDirectory {
-		file.isOpen = true
+	if request.Entry.IsDirectory {
+		return node, nil, nil
 	}
+
+	file := node.(*File)
+	file.isOpen = true
 	fh := dir.wfs.AcquireHandle(file, req.Uid, req.Gid)
 	fh.dirtyMetadata = true
 	return file, fh, nil
diff --git a/weed/pb/filer.proto b/weed/pb/filer.proto
index ef847cbe7..41c1650d4 100644
--- a/weed/pb/filer.proto
+++ b/weed/pb/filer.proto
@@ -123,6 +123,7 @@ message FuseAttributes {
 message CreateEntryRequest {
     string directory = 1;
     Entry entry = 2;
+    bool o_excl = 3;
 }
 
 message CreateEntryResponse {
diff --git a/weed/pb/filer_pb/filer.pb.go b/weed/pb/filer_pb/filer.pb.go
index c8214aa94..043a46504 100644
--- a/weed/pb/filer_pb/filer.pb.go
+++ b/weed/pb/filer_pb/filer.pb.go
@@ -497,6 +497,7 @@ func (m *FuseAttributes) GetSymlinkTarget() string {
 type CreateEntryRequest struct {
 	Directory string `protobuf:"bytes,1,opt,name=directory" json:"directory,omitempty"`
 	Entry     *Entry `protobuf:"bytes,2,opt,name=entry" json:"entry,omitempty"`
+	OExcl     bool   `protobuf:"varint,3,opt,name=o_excl,json=oExcl" json:"o_excl,omitempty"`
 }
 
 func (m *CreateEntryRequest) Reset()                    { *m = CreateEntryRequest{} }
@@ -518,6 +519,13 @@ func (m *CreateEntryRequest) GetEntry() *Entry {
 	return nil
 }
 
+func (m *CreateEntryRequest) GetOExcl() bool {
+	if m != nil {
+		return m.OExcl
+	}
+	return false
+}
+
 type CreateEntryResponse struct {
 }
 
@@ -1457,106 +1465,107 @@ var _SeaweedFiler_serviceDesc = grpc.ServiceDesc{
 func init() { proto.RegisterFile("filer.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
-	// 1603 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xb4, 0x58, 0xcd, 0x6f, 0xdc, 0x44,
-	0x14, 0x8f, 0xf7, 0xdb, 0x6f, 0x77, 0xdb, 0x64, 0x92, 0xb6, 0xdb, 0xcd, 0x07, 0xa9, 0x43, 0x4b,
-	0x10, 0x55, 0xa8, 0x42, 0x0f, 0x2d, 0x85, 0x43, 0x9b, 0x0f, 0x14, 0x91, 0x7e, 0xc8, 0x69, 0x11,
-	0x08, 0x09, 0xcb, 0xb1, 0x67, 0x37, 0x43, 0x6c, 0xcf, 0x32, 0x1e, 0x27, 0x29, 0x7f, 0x02, 0x47,
-	0x8e, 0x48, 0x9c, 0xf9, 0x27, 0x10, 0x17, 0x84, 0xf8, 0x6f, 0x38, 0x72, 0x46, 0x33, 0x63, 0x7b,
-	0xc7, 0xeb, 0x4d, 0xd2, 0x0a, 0xf5, 0xe6, 0x79, 0xdf, 0xef, 0xcd, 0x7b, 0xbf, 0x37, 0xbb, 0xd0,
-	0x1e, 0x90, 0x00, 0xb3, 0x8d, 0x11, 0xa3, 0x9c, 0xa2, 0x96, 0x3c, 0x38, 0xa3, 0x43, 0xeb, 0x39,
-	0x2c, 0xee, 0x53, 0x7a, 0x9c, 0x8c, 0xb6, 0x09, 0xc3, 0x1e, 0xa7, 0xec, 0xf5, 0x4e, 0xc4, 0xd9,
-	0x6b, 0x1b, 0xff, 0x90, 0xe0, 0x98, 0xa3, 0x25, 0x30, 0xfd, 0x8c, 0xd1, 0x33, 0x56, 0x8d, 0x75,
-	0xd3, 0x1e, 0x13, 0x10, 0x82, 0x5a, 0xe4, 0x86, 0xb8, 0x57, 0x91, 0x0c, 0xf9, 0x6d, 0xed, 0xc0,
-	0xd2, 0x74, 0x83, 0xf1, 0x88, 0x46, 0x31, 0x46, 0xb7, 0xa1, 0x8e, 0x05, 0x41, 0x5a, 0x6b, 0x6f,
-	0x5e, 0xdd, 0xc8, 0x42, 0xd9, 0x50, 0x72, 0x8a, 0x6b, 0xfd, 0x61, 0x00, 0xda, 0x27, 0x31, 0x17,
-	0x44, 0x82, 0xe3, 0x37, 0x8b, 0xe7, 0x3a, 0x34, 0x46, 0x0c, 0x0f, 0xc8, 0x59, 0x1a, 0x51, 0x7a,
-	0x42, 0x77, 0x61, 0x2e, 0xe6, 0x2e, 0xe3, 0xbb, 0x8c, 0x86, 0xbb, 0x24, 0xc0, 0xcf, 0x44, 0xd0,
-	0x55, 0x29, 0x52, 0x66, 0xa0, 0x0d, 0x40, 0x24, 0xf2, 0x82, 0x24, 0x26, 0x27, 0xf8, 0x20, 0xe3,
-	0xf6, 0x6a, 0xab, 0xc6, 0x7a, 0xcb, 0x9e, 0xc2, 0x41, 0x0b, 0x50, 0x0f, 0x48, 0x48, 0x78, 0xaf,
-	0xbe, 0x6a, 0xac, 0x77, 0x6d, 0x75, 0xb0, 0x3e, 0x83, 0xf9, 0x42, 0xfc, 0x6f, 0x97, 0xfe, 0xaf,
-	0x15, 0xa8, 0x4b, 0x42, 0x5e, 0x63, 0x63, 0x5c, 0x63, 0x74, 0x0b, 0x3a, 0x24, 0x76, 0xc6, 0x85,
-	0xa8, 0xc8, 0xd8, 0xda, 0x24, 0xce, 0x6b, 0x8e, 0x3e, 0x82, 0x86, 0x77, 0x94, 0x44, 0xc7, 0x71,
-	0xaf, 0xba, 0x5a, 0x5d, 0x6f, 0x6f, 0xce, 0x8f, 0x1d, 0x89, 0x44, 0xb7, 0x04, 0xcf, 0x4e, 0x45,
-	0xd0, 0x03, 0x00, 0x97, 0x73, 0x46, 0x0e, 0x13, 0x8e, 0x63, 0x99, 0x69, 0x7b, 0xb3, 0xa7, 0x29,
-	0x24, 0x31, 0x7e, 0x9c, 0xf3, 0x6d, 0x4d, 0x16, 0x3d, 0x84, 0x16, 0x3e, 0xe3, 0x38, 0xf2, 0xb1,
-	0xdf, 0xab, 0x4b, 0x47, 0xcb, 0x13, 0x19, 0x6d, 0xec, 0xa4, 0x7c, 0x95, 0x5f, 0x2e, 0xde, 0x7f,
-	0x04, 0xdd, 0x02, 0x0b, 0xcd, 0x42, 0xf5, 0x18, 0x67, 0xb7, 0x2a, 0x3e, 0x45, 0x65, 0x4f, 0xdc,
-	0x20, 0x51, 0x0d, 0xd6, 0xb1, 0xd5, 0xe1, 0xd3, 0xca, 0x03, 0xc3, 0xda, 0x06, 0x73, 0x37, 0x09,
-	0x82, 0x5c, 0xd1, 0x27, 0x2c, 0x53, 0xf4, 0x09, 0x1b, 0x57, 0xb9, 0x72, 0x61, 0x95, 0x7f, 0x37,
-	0x60, 0x6e, 0xe7, 0x04, 0x47, 0xfc, 0x19, 0xe5, 0x64, 0x40, 0x3c, 0x97, 0x13, 0x1a, 0xa1, 0xbb,
-	0x60, 0xd2, 0xc0, 0x77, 0x2e, 0xbc, 0xa6, 0x16, 0x0d, 0xd2, 0xa8, 0xef, 0x82, 0x19, 0xe1, 0x53,
-	0xe7, 0x42, 0x77, 0xad, 0x08, 0x9f, 0x2a, 0xe9, 0x35, 0xe8, 0xfa, 0x38, 0xc0, 0x1c, 0x3b, 0xf9,
-	0xed, 0x88, 0xab, 0xeb, 0x28, 0xe2, 0x96, 0xba, 0x8e, 0x3b, 0x70, 0x55, 0x98, 0x1c, 0xb9, 0x0c,
-	0x47, 0xdc, 0x19, 0xb9, 0xfc, 0x48, 0xde, 0x89, 0x69, 0x77, 0x23, 0x7c, 0xfa, 0x42, 0x52, 0x5f,
-	0xb8, 0xfc, 0xc8, 0xfa, 0xd7, 0x00, 0x33, 0xbf, 0x4c, 0x74, 0x03, 0x9a, 0xc2, 0xad, 0x43, 0xfc,
-	0xb4, 0x12, 0x0d, 0x71, 0xdc, 0xf3, 0xc5, 0x54, 0xd0, 0xc1, 0x20, 0xc6, 0x5c, 0x86, 0x57, 0xb5,
-	0xd3, 0x93, 0xe8, 0xac, 0x98, 0xfc, 0xa8, 0x06, 0xa1, 0x66, 0xcb, 0x6f, 0x51, 0xf1, 0x90, 0x93,
-	0x10, 0x4b, 0x87, 0x55, 0x5b, 0x1d, 0xd0, 0x3c, 0xd4, 0xb1, 0xc3, 0xdd, 0xa1, 0xec, 0x70, 0xd3,
-	0xae, 0xe1, 0x97, 0xee, 0x10, 0xbd, 0x0f, 0x57, 0x62, 0x9a, 0x30, 0x0f, 0x3b, 0x99, 0xdb, 0x86,
-	0xe4, 0x76, 0x14, 0x75, 0x57, 0x39, 0xb7, 0xa0, 0x3a, 0x20, 0x7e, 0xaf, 0x29, 0x0b, 0x33, 0x5b,
-	0x6c, 0xc2, 0x3d, 0xdf, 0x16, 0x4c, 0xf4, 0x31, 0x40, 0x6e, 0xc9, 0xef, 0xb5, 0xce, 0x11, 0x35,
-	0x33, 0xbb, 0xbe, 0xf5, 0x35, 0x34, 0x52, 0xf3, 0x8b, 0x60, 0x9e, 0xd0, 0x20, 0x09, 0xf3, 0xb4,
-	0xbb, 0x76, 0x4b, 0x11, 0xf6, 0x7c, 0x74, 0x13, 0x24, 0xce, 0x39, 0xa2, 0xab, 0x2a, 0x32, 0x49,
-	0x59, 0xa1, 0x2f, 0xb1, 0x44, 0x0a, 0x8f, 0xd2, 0x63, 0xa2, 0xb2, 0x6f, 0xda, 0xe9, 0xc9, 0xfa,
-	0xa7, 0x02, 0x57, 0x8a, 0xed, 0x2e, 0x5c, 0x48, 0x2b, 0xb2, 0x56, 0x86, 0x34, 0x23, 0xcd, 0x1e,
-	0x14, 0xea, 0x55, 0xd1, 0xeb, 0x95, 0xa9, 0x84, 0xd4, 0x57, 0x0e, 0xba, 0x4a, 0xe5, 0x29, 0xf5,
-	0xb1, 0xe8, 0xd6, 0x84, 0xf8, 0xb2, 0xc0, 0x5d, 0x5b, 0x7c, 0x0a, 0xca, 0x90, 0xf8, 0x29, 0x7c,
-	0x88, 0x4f, 0x19, 0x1e, 0x93, 0x76, 0x1b, 0xea, 0xca, 0xd4, 0x49, 0x5c, 0x59, 0x28, 0xa8, 0x4d,
-	0x75, 0x0f, 0xe2, 0x1b, 0xad, 0x42, 0x9b, 0xe1, 0x51, 0x90, 0x76, 0xaf, 0x2c, 0x9f, 0x69, 0xeb,
-	0x24, 0xb4, 0x02, 0xe0, 0xd1, 0x20, 0xc0, 0x9e, 0x14, 0x30, 0xa5, 0x80, 0x46, 0x11, 0x9d, 0xc3,
-	0x79, 0xe0, 0xc4, 0xd8, 0xeb, 0xc1, 0xaa, 0xb1, 0x5e, 0xb7, 0x1b, 0x9c, 0x07, 0x07, 0xd8, 0x13,
-	0x79, 0x24, 0x31, 0x66, 0x8e, 0x04, 0xa0, 0xb6, 0xd4, 0x6b, 0x09, 0x82, 0x84, 0xc9, 0x65, 0x80,
-	0x21, 0xa3, 0xc9, 0x48, 0x71, 0x3b, 0xab, 0x55, 0x81, 0xc5, 0x92, 0x22, 0xd9, 0xb7, 0xe1, 0x4a,
-	0xfc, 0x3a, 0x0c, 0x48, 0x74, 0xec, 0x70, 0x97, 0x0d, 0x31, 0xef, 0x75, 0x55, 0x0f, 0xa7, 0xd4,
-	0x97, 0x92, 0x68, 0x7d, 0x03, 0x68, 0x8b, 0x61, 0x97, 0xe3, 0xb7, 0x58, 0x3b, 0x6f, 0x38, 0xdd,
-	0xd7, 0x60, 0xbe, 0x60, 0x5a, 0x21, 0xb0, 0xf0, 0xf8, 0x6a, 0xe4, 0xbf, 0x2b, 0x8f, 0x05, 0xd3,
-	0xa9, 0xc7, 0xbf, 0x0c, 0x40, 0xdb, 0x72, 0xc0, 0xff, 0xdf, 0x6e, 0x15, 0x23, 0x27, 0x70, 0x5f,
-	0x01, 0x88, 0xef, 0x72, 0x37, 0xdd, 0x4a, 0x1d, 0x12, 0x2b, 0xfb, 0xdb, 0x2e, 0x77, 0xd3, 0xed,
-	0xc0, 0xb0, 0x97, 0x30, 0xb1, 0xa8, 0x64, 0x5f, 0xc9, 0xed, 0x60, 0x67, 0x24, 0x74, 0x1f, 0xae,
-	0x93, 0x61, 0x44, 0x19, 0x1e, 0x8b, 0x39, 0x98, 0x31, 0xca, 0x64, 0xbf, 0xb5, 0xec, 0x05, 0xc5,
-	0xcd, 0x15, 0x76, 0x04, 0x4f, 0xa4, 0x57, 0x48, 0x23, 0x4d, 0xef, 0x17, 0x03, 0x7a, 0x8f, 0x39,
-	0x0d, 0x89, 0x67, 0x63, 0x11, 0x66, 0x21, 0xc9, 0x35, 0xe8, 0x0a, 0x30, 0x9d, 0x4c, 0xb4, 0x43,
-	0x03, 0x7f, 0xbc, 0xac, 0x6e, 0x82, 0xc0, 0x53, 0x47, 0xcb, 0xb7, 0x49, 0x03, 0x5f, 0xb6, 0xd1,
-	0x1a, 0x08, 0xd0, 0xd3, 0xf4, 0xd5, 0xda, 0xee, 0x44, 0xf8, 0xb4, 0xa0, 0x2f, 0x84, 0xa4, 0xbe,
-	0x42, 0xca, 0x66, 0x84, 0x4f, 0x85, 0xbe, 0xb5, 0x08, 0x37, 0xa7, 0xc4, 0x96, 0x46, 0xfe, 0x9b,
-	0x01, 0xf3, 0x8f, 0xe3, 0x98, 0x0c, 0xa3, 0xaf, 0x24, 0x66, 0x64, 0x41, 0x2f, 0x40, 0xdd, 0xa3,
-	0x49, 0xc4, 0x65, 0xb0, 0x75, 0x5b, 0x1d, 0x26, 0xc6, 0xa8, 0x52, 0x1a, 0xa3, 0x89, 0x41, 0xac,
-	0x96, 0x07, 0x51, 0x1b, 0xb4, 0x5a, 0x61, 0xd0, 0xde, 0x83, 0xb6, 0xb8, 0x4e, 0xc7, 0xc3, 0x11,
-	0xc7, 0x2c, 0x85, 0x59, 0x10, 0xa4, 0x2d, 0x49, 0xb1, 0x7e, 0x32, 0x60, 0xa1, 0x18, 0x69, 0xfa,
-	0x9e, 0x38, 0x17, 0xf5, 0x05, 0xcc, 0xb0, 0x20, 0x0d, 0x53, 0x7c, 0x8a, 0x81, 0x1d, 0x25, 0x87,
-	0x01, 0xf1, 0x1c, 0xc1, 0x50, 0xe1, 0x99, 0x8a, 0xf2, 0x8a, 0x05, 0xe3, 0xa4, 0x6b, 0x7a, 0xd2,
-	0x08, 0x6a, 0x6e, 0xc2, 0x8f, 0x32, 0xe4, 0x17, 0xdf, 0xd6, 0x7d, 0x98, 0x57, 0x4f, 0xbc, 0x62,
-	0xd5, 0x96, 0x01, 0x72, 0x2c, 0x8e, 0x7b, 0x86, 0x02, 0x84, 0x0c, 0x8c, 0x63, 0xeb, 0x73, 0x30,
-	0xf7, 0xa9, 0x2a, 0x44, 0x8c, 0xee, 0x81, 0x19, 0x64, 0x07, 0x29, 0xda, 0xde, 0x44, 0xe3, 0xa1,
-	0xca, 0xe4, 0xec, 0xb1, 0x90, 0xf5, 0x08, 0x5a, 0x19, 0x39, 0xcb, 0xcd, 0x38, 0x2f, 0xb7, 0xca,
-	0x44, 0x6e, 0xd6, 0x9f, 0x06, 0x2c, 0x14, 0x43, 0x4e, 0xcb, 0xf7, 0x0a, 0xba, 0xb9, 0x0b, 0x27,
-	0x74, 0x47, 0x69, 0x2c, 0xf7, 0xf4, 0x58, 0xca, 0x6a, 0x79, 0x80, 0xf1, 0x53, 0x77, 0xa4, 0x5a,
-	0xaa, 0x13, 0x68, 0xa4, 0xfe, 0x4b, 0x98, 0x2b, 0x89, 0x4c, 0x79, 0xdf, 0x7c, 0xa8, 0xbf, 0x6f,
-	0x0a, 0x6f, 0xb4, 0x5c, 0x5b, 0x7f, 0xf4, 0x3c, 0x84, 0x1b, 0x6a, 0xfe, 0xb6, 0xf2, 0xa6, 0xcb,
-	0x6a, 0x5f, 0xec, 0x4d, 0x63, 0xb2, 0x37, 0xad, 0x3e, 0xf4, 0xca, 0xaa, 0xe9, 0x14, 0x0c, 0x61,
-	0xee, 0x80, 0xbb, 0x9c, 0xc4, 0x9c, 0x78, 0xf9, 0x43, 0x7b, 0xa2, 0x99, 0x8d, 0xcb, 0xb6, 0x4a,
-	0x79, 0x1c, 0x66, 0xa1, 0xca, 0x79, 0xd6, 0x67, 0xe2, 0x53, 0xdc, 0x02, 0xd2, 0x3d, 0xa5, 0x77,
-	0xf0, 0x0e, 0x5c, 0x89, 0x7e, 0xe0, 0x94, 0xbb, 0x81, 0xda, 0xda, 0x35, 0xb9, 0xb5, 0x4d, 0x49,
-	0x91, 0x6b, 0x5b, 0x2d, 0x36, 0x5f, 0x71, 0xeb, 0x6a, 0xa7, 0x0b, 0x82, 0x64, 0x2e, 0x03, 0xc8,
-	0x91, 0x52, 0xd3, 0xd0, 0x50, 0xba, 0x82, 0xb2, 0x25, 0x08, 0xd6, 0x0a, 0x2c, 0x7d, 0x81, 0xb9,
-	0x78, 0x7f, 0xb0, 0x2d, 0x1a, 0x0d, 0xc8, 0x30, 0x61, 0xae, 0x76, 0x15, 0xd6, 0xcf, 0x06, 0x2c,
-	0x9f, 0x23, 0x90, 0x26, 0xdc, 0x83, 0x66, 0xe8, 0xc6, 0x1c, 0xb3, 0x6c, 0x4a, 0xb2, 0xe3, 0x64,
-	0x29, 0x2a, 0x97, 0x95, 0xa2, 0x5a, 0x2a, 0xc5, 0x35, 0x68, 0x84, 0xee, 0x99, 0x13, 0x1e, 0xa6,
-	0x0f, 0x8c, 0x7a, 0xe8, 0x9e, 0x3d, 0x3d, 0xdc, 0xfc, 0xbb, 0x09, 0x9d, 0x03, 0xec, 0x9e, 0x62,
-	0xec, 0xcb, 0xc0, 0xd0, 0x30, 0x1b, 0x88, 0xe2, 0xcf, 0x34, 0x74, 0x7b, 0xb2, 0xf3, 0xa7, 0xfe,
-	0x2e, 0xec, 0xdf, 0xb9, 0x4c, 0x2c, 0xed, 0xad, 0x19, 0xf4, 0x0c, 0xda, 0xda, 0xef, 0x20, 0xb4,
-	0xa4, 0x29, 0x96, 0x7e, 0xde, 0xf5, 0x97, 0xcf, 0xe1, 0x66, 0xd6, 0xee, 0x19, 0x68, 0x1f, 0xda,
-	0xda, 0x56, 0xd7, 0xed, 0x95, 0xdf, 0x11, 0xba, 0xbd, 0x69, 0x4f, 0x81, 0x19, 0x61, 0x4d, 0xdb,
-	0xd8, 0xba, 0xb5, 0xf2, 0x1b, 0x41, 0xb7, 0x36, 0x6d, 0xcd, 0x4b, 0x6b, 0xda, 0x82, 0xd4, 0xad,
-	0x95, 0xd7, 0xbf, 0x6e, 0x6d, 0xda, 0x56, 0x9d, 0x41, 0xdf, 0xc1, 0x5c, 0x69, 0x75, 0x21, 0x6b,
-	0xac, 0x75, 0xde, 0xce, 0xed, 0xaf, 0x5d, 0x28, 0x93, 0xdb, 0x7f, 0x0e, 0x1d, 0x7d, 0xa5, 0x20,
-	0x2d, 0xa0, 0x29, 0x4b, 0xb1, 0xbf, 0x72, 0x1e, 0x5b, 0x37, 0xa8, 0xa3, 0xa5, 0x6e, 0x70, 0xca,
-	0xbe, 0xd0, 0x0d, 0x4e, 0x03, 0x59, 0x6b, 0x06, 0x7d, 0x0b, 0xb3, 0x93, 0xa8, 0x85, 0x6e, 0x4d,
-	0x96, 0xad, 0x04, 0x86, 0x7d, 0xeb, 0x22, 0x91, 0xdc, 0xf8, 0x1e, 0xc0, 0x18, 0x8c, 0xd0, 0xe2,
-	0x58, 0xa7, 0x04, 0x86, 0xfd, 0xa5, 0xe9, 0xcc, 0xdc, 0xd4, 0xf7, 0x70, 0x6d, 0xea, 0xc4, 0x23,
-	0x6d, 0x4c, 0x2e, 0xc2, 0x8c, 0xfe, 0x07, 0x97, 0xca, 0x65, 0xbe, 0x9e, 0xac, 0xc0, 0x6c, 0xac,
-	0x06, 0x79, 0x10, 0x6f, 0x78, 0x01, 0xc1, 0x11, 0x7f, 0x02, 0x52, 0xe3, 0x05, 0xa3, 0x9c, 0x1e,
-	0x36, 0xe4, 0x3f, 0x3c, 0x9f, 0xfc, 0x17, 0x00, 0x00, 0xff, 0xff, 0x14, 0x43, 0x9d, 0xb9, 0xf0,
-	0x11, 0x00, 0x00,
+	// 1624 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xb4, 0x58, 0x4b, 0x6f, 0xdb, 0xc6,
+	0x16, 0x36, 0xf5, 0xe6, 0x91, 0x94, 0xd8, 0x63, 0x3b, 0x51, 0xe4, 0xc7, 0x75, 0xe8, 0x9b, 0x5c,
+	0x5f, 0x34, 0x70, 0x03, 0x37, 0x8b, 0xa4, 0x69, 0x17, 0x89, 0x1f, 0x85, 0x51, 0xe7, 0x01, 0x3a,
+	0x29, 0x5a, 0x14, 0x28, 0x41, 0x93, 0x23, 0x79, 0x6a, 0x92, 0xa3, 0x0e, 0x87, 0xb6, 0xd3, 0x9f,
+	0xd0, 0x65, 0x97, 0x05, 0xba, 0xee, 0x9f, 0x28, 0xba, 0x29, 0x8a, 0xfe, 0x9b, 0x2e, 0xbb, 0x2e,
+	0x66, 0x86, 0xa4, 0x86, 0xa2, 0x6c, 0x27, 0x28, 0xb2, 0xe3, 0x9c, 0xf7, 0x39, 0x73, 0xce, 0xf9,
+	0x46, 0x82, 0xf6, 0x80, 0x04, 0x98, 0x6d, 0x8e, 0x18, 0xe5, 0x14, 0xb5, 0xe4, 0xc1, 0x19, 0x1d,
+	0x59, 0x2f, 0x60, 0xe9, 0x80, 0xd2, 0x93, 0x64, 0xb4, 0x43, 0x18, 0xf6, 0x38, 0x65, 0x6f, 0x76,
+	0x23, 0xce, 0xde, 0xd8, 0xf8, 0xbb, 0x04, 0xc7, 0x1c, 0x2d, 0x83, 0xe9, 0x67, 0x8c, 0x9e, 0xb1,
+	0x66, 0x6c, 0x98, 0xf6, 0x98, 0x80, 0x10, 0xd4, 0x22, 0x37, 0xc4, 0xbd, 0x8a, 0x64, 0xc8, 0x6f,
+	0x6b, 0x17, 0x96, 0xa7, 0x1b, 0x8c, 0x47, 0x34, 0x8a, 0x31, 0xba, 0x03, 0x75, 0x2c, 0x08, 0xd2,
+	0x5a, 0x7b, 0xeb, 0xfa, 0x66, 0x16, 0xca, 0xa6, 0x92, 0x53, 0x5c, 0xeb, 0x37, 0x03, 0xd0, 0x01,
+	0x89, 0xb9, 0x20, 0x12, 0x1c, 0xbf, 0x5d, 0x3c, 0x37, 0xa0, 0x31, 0x62, 0x78, 0x40, 0xce, 0xd3,
+	0x88, 0xd2, 0x13, 0xba, 0x07, 0x73, 0x31, 0x77, 0x19, 0xdf, 0x63, 0x34, 0xdc, 0x23, 0x01, 0x7e,
+	0x2e, 0x82, 0xae, 0x4a, 0x91, 0x32, 0x03, 0x6d, 0x02, 0x22, 0x91, 0x17, 0x24, 0x31, 0x39, 0xc5,
+	0x87, 0x19, 0xb7, 0x57, 0x5b, 0x33, 0x36, 0x5a, 0xf6, 0x14, 0x0e, 0x5a, 0x80, 0x7a, 0x40, 0x42,
+	0xc2, 0x7b, 0xf5, 0x35, 0x63, 0xa3, 0x6b, 0xab, 0x83, 0xf5, 0x09, 0xcc, 0x17, 0xe2, 0x7f, 0xb7,
+	0xf4, 0x7f, 0xae, 0x40, 0x5d, 0x12, 0xf2, 0x1a, 0x1b, 0xe3, 0x1a, 0xa3, 0xdb, 0xd0, 0x21, 0xb1,
+	0x33, 0x2e, 0x44, 0x45, 0xc6, 0xd6, 0x26, 0x71, 0x5e, 0x73, 0xf4, 0x01, 0x34, 0xbc, 0xe3, 0x24,
+	0x3a, 0x89, 0x7b, 0xd5, 0xb5, 0xea, 0x46, 0x7b, 0x6b, 0x7e, 0xec, 0x48, 0x24, 0xba, 0x2d, 0x78,
+	0x76, 0x2a, 0x82, 0x1e, 0x02, 0xb8, 0x9c, 0x33, 0x72, 0x94, 0x70, 0x1c, 0xcb, 0x4c, 0xdb, 0x5b,
+	0x3d, 0x4d, 0x21, 0x89, 0xf1, 0x93, 0x9c, 0x6f, 0x6b, 0xb2, 0xe8, 0x11, 0xb4, 0xf0, 0x39, 0xc7,
+	0x91, 0x8f, 0xfd, 0x5e, 0x5d, 0x3a, 0x5a, 0x99, 0xc8, 0x68, 0x73, 0x37, 0xe5, 0xab, 0xfc, 0x72,
+	0xf1, 0xfe, 0x63, 0xe8, 0x16, 0x58, 0x68, 0x16, 0xaa, 0x27, 0x38, 0xbb, 0x55, 0xf1, 0x29, 0x2a,
+	0x7b, 0xea, 0x06, 0x89, 0x6a, 0xb0, 0x8e, 0xad, 0x0e, 0x1f, 0x57, 0x1e, 0x1a, 0xd6, 0x0e, 0x98,
+	0x7b, 0x49, 0x10, 0xe4, 0x8a, 0x3e, 0x61, 0x99, 0xa2, 0x4f, 0xd8, 0xb8, 0xca, 0x95, 0x4b, 0xab,
+	0xfc, 0xab, 0x01, 0x73, 0xbb, 0xa7, 0x38, 0xe2, 0xcf, 0x29, 0x27, 0x03, 0xe2, 0xb9, 0x9c, 0xd0,
+	0x08, 0xdd, 0x03, 0x93, 0x06, 0xbe, 0x73, 0xe9, 0x35, 0xb5, 0x68, 0x90, 0x46, 0x7d, 0x0f, 0xcc,
+	0x08, 0x9f, 0x39, 0x97, 0xba, 0x6b, 0x45, 0xf8, 0x4c, 0x49, 0xaf, 0x43, 0xd7, 0xc7, 0x01, 0xe6,
+	0xd8, 0xc9, 0x6f, 0x47, 0x5c, 0x5d, 0x47, 0x11, 0xb7, 0xd5, 0x75, 0xdc, 0x85, 0xeb, 0xc2, 0xe4,
+	0xc8, 0x65, 0x38, 0xe2, 0xce, 0xc8, 0xe5, 0xc7, 0xf2, 0x4e, 0x4c, 0xbb, 0x1b, 0xe1, 0xb3, 0x97,
+	0x92, 0xfa, 0xd2, 0xe5, 0xc7, 0xd6, 0xdf, 0x06, 0x98, 0xf9, 0x65, 0xa2, 0x9b, 0xd0, 0x14, 0x6e,
+	0x1d, 0xe2, 0xa7, 0x95, 0x68, 0x88, 0xe3, 0xbe, 0x2f, 0xa6, 0x82, 0x0e, 0x06, 0x31, 0xe6, 0x32,
+	0xbc, 0xaa, 0x9d, 0x9e, 0x44, 0x67, 0xc5, 0xe4, 0x7b, 0x35, 0x08, 0x35, 0x5b, 0x7e, 0x8b, 0x8a,
+	0x87, 0x9c, 0x84, 0x58, 0x3a, 0xac, 0xda, 0xea, 0x80, 0xe6, 0xa1, 0x8e, 0x1d, 0xee, 0x0e, 0x65,
+	0x87, 0x9b, 0x76, 0x0d, 0xbf, 0x72, 0x87, 0xe8, 0xbf, 0x70, 0x2d, 0xa6, 0x09, 0xf3, 0xb0, 0x93,
+	0xb9, 0x6d, 0x48, 0x6e, 0x47, 0x51, 0xf7, 0x94, 0x73, 0x0b, 0xaa, 0x03, 0xe2, 0xf7, 0x9a, 0xb2,
+	0x30, 0xb3, 0xc5, 0x26, 0xdc, 0xf7, 0x6d, 0xc1, 0x44, 0x1f, 0x02, 0xe4, 0x96, 0xfc, 0x5e, 0xeb,
+	0x02, 0x51, 0x33, 0xb3, 0xeb, 0x5b, 0x5f, 0x42, 0x23, 0x35, 0xbf, 0x04, 0xe6, 0x29, 0x0d, 0x92,
+	0x30, 0x4f, 0xbb, 0x6b, 0xb7, 0x14, 0x61, 0xdf, 0x47, 0xb7, 0x40, 0xee, 0x39, 0x47, 0x74, 0x55,
+	0x45, 0x26, 0x29, 0x2b, 0xf4, 0x39, 0x96, 0x9b, 0xc2, 0xa3, 0xf4, 0x84, 0xa8, 0xec, 0x9b, 0x76,
+	0x7a, 0xb2, 0xfe, 0xaa, 0xc0, 0xb5, 0x62, 0xbb, 0x0b, 0x17, 0xd2, 0x8a, 0xac, 0x95, 0x21, 0xcd,
+	0x48, 0xb3, 0x87, 0x85, 0x7a, 0x55, 0xf4, 0x7a, 0x65, 0x2a, 0x21, 0xf5, 0x95, 0x83, 0xae, 0x52,
+	0x79, 0x46, 0x7d, 0x2c, 0xba, 0x35, 0x21, 0xbe, 0x2c, 0x70, 0xd7, 0x16, 0x9f, 0x82, 0x32, 0x24,
+	0x7e, 0xba, 0x3e, 0xc4, 0xa7, 0x0c, 0x8f, 0x49, 0xbb, 0x0d, 0x75, 0x65, 0xea, 0x24, 0xae, 0x2c,
+	0x14, 0xd4, 0xa6, 0xba, 0x07, 0xf1, 0x8d, 0xd6, 0xa0, 0xcd, 0xf0, 0x28, 0x48, 0xbb, 0x57, 0x96,
+	0xcf, 0xb4, 0x75, 0x12, 0x5a, 0x05, 0xf0, 0x68, 0x10, 0x60, 0x4f, 0x0a, 0x98, 0x52, 0x40, 0xa3,
+	0x88, 0xce, 0xe1, 0x3c, 0x70, 0x62, 0xec, 0xf5, 0x60, 0xcd, 0xd8, 0xa8, 0xdb, 0x0d, 0xce, 0x83,
+	0x43, 0xec, 0x89, 0x3c, 0x92, 0x18, 0x33, 0x47, 0x2e, 0xa0, 0xb6, 0xd4, 0x6b, 0x09, 0x82, 0x5c,
+	0x93, 0x2b, 0x00, 0x43, 0x46, 0x93, 0x91, 0xe2, 0x76, 0xd6, 0xaa, 0x62, 0x17, 0x4b, 0x8a, 0x64,
+	0xdf, 0x81, 0x6b, 0xf1, 0x9b, 0x30, 0x20, 0xd1, 0x89, 0xc3, 0x5d, 0x36, 0xc4, 0xbc, 0xd7, 0x55,
+	0x3d, 0x9c, 0x52, 0x5f, 0x49, 0xa2, 0x35, 0x02, 0xb4, 0xcd, 0xb0, 0xcb, 0xf1, 0x3b, 0xc0, 0xce,
+	0xdb, 0x4d, 0x37, 0x5a, 0x84, 0x06, 0x75, 0xf0, 0xb9, 0x17, 0xa4, 0x43, 0x56, 0xa7, 0xbb, 0xe7,
+	0x5e, 0x60, 0x2d, 0xc2, 0x7c, 0xc1, 0xa3, 0x5a, 0xcc, 0xd6, 0x57, 0x80, 0x5e, 0x8f, 0xfc, 0xf7,
+	0x11, 0x88, 0xf0, 0x58, 0x30, 0x9d, 0x7a, 0xfc, 0xc3, 0x00, 0xb4, 0x23, 0xe7, 0xfe, 0xdf, 0x41,
+	0xae, 0x98, 0x44, 0x01, 0x07, 0x6a, 0xaf, 0xf8, 0x2e, 0x77, 0x53, 0xb0, 0xea, 0x90, 0x58, 0xd9,
+	0xdf, 0x71, 0xb9, 0x9b, 0x82, 0x06, 0xc3, 0x5e, 0xc2, 0x04, 0x7e, 0xc9, 0x76, 0x93, 0xa0, 0x61,
+	0x67, 0x24, 0xf4, 0x00, 0x6e, 0x90, 0x61, 0x44, 0x19, 0x1e, 0x8b, 0x39, 0x98, 0x31, 0xca, 0x64,
+	0x1b, 0xb6, 0xec, 0x05, 0xc5, 0xcd, 0x15, 0x76, 0x05, 0x4f, 0xa4, 0x57, 0x48, 0x23, 0x4d, 0xef,
+	0x27, 0x03, 0x7a, 0x4f, 0x38, 0x0d, 0x89, 0x67, 0x63, 0x11, 0x66, 0x21, 0xc9, 0x75, 0xe8, 0x8a,
+	0x1d, 0x3b, 0x99, 0x68, 0x87, 0x06, 0xfe, 0x18, 0xc3, 0x6e, 0x81, 0x58, 0xb3, 0x8e, 0x96, 0x6f,
+	0x93, 0x06, 0xbe, 0xec, 0xae, 0x75, 0x10, 0xbb, 0x50, 0xd3, 0x57, 0x68, 0xde, 0x89, 0xf0, 0x59,
+	0x41, 0x5f, 0x08, 0x49, 0x7d, 0xb5, 0x40, 0x9b, 0x11, 0x3e, 0x13, 0xfa, 0xd6, 0x12, 0xdc, 0x9a,
+	0x12, 0x5b, 0x1a, 0xf9, 0x2f, 0x06, 0xcc, 0x3f, 0x89, 0x63, 0x32, 0x8c, 0xbe, 0x90, 0xab, 0x24,
+	0x0b, 0x7a, 0x01, 0xea, 0x1e, 0x4d, 0x22, 0x2e, 0x83, 0xad, 0xdb, 0xea, 0x30, 0x31, 0x5d, 0x95,
+	0xd2, 0x74, 0x4d, 0xcc, 0x67, 0xb5, 0x3c, 0x9f, 0xda, 0xfc, 0xd5, 0x0a, 0xf3, 0xf7, 0x1f, 0x68,
+	0x8b, 0xeb, 0x74, 0x3c, 0x1c, 0x71, 0xcc, 0xd2, 0xed, 0x0b, 0x82, 0xb4, 0x2d, 0x29, 0xd6, 0x0f,
+	0x06, 0x2c, 0x14, 0x23, 0x4d, 0x9f, 0x19, 0x17, 0x82, 0x81, 0xd8, 0x3e, 0x2c, 0x48, 0xc3, 0x14,
+	0x9f, 0x62, 0x8e, 0x47, 0xc9, 0x51, 0x40, 0x3c, 0x47, 0x30, 0x54, 0x78, 0xa6, 0xa2, 0xbc, 0x66,
+	0xc1, 0x38, 0xe9, 0x9a, 0x9e, 0x34, 0x82, 0x9a, 0x9b, 0xf0, 0xe3, 0x0c, 0x10, 0xc4, 0xb7, 0xf5,
+	0x00, 0xe6, 0xd5, 0xcb, 0xaf, 0x58, 0xb5, 0x15, 0x80, 0x7c, 0x45, 0xc7, 0x3d, 0x43, 0xed, 0x89,
+	0x6c, 0x47, 0xc7, 0xd6, 0xa7, 0x60, 0x1e, 0x50, 0x55, 0x88, 0x18, 0xdd, 0x07, 0x33, 0xc8, 0x0e,
+	0x52, 0xb4, 0xbd, 0x85, 0xc6, 0x43, 0x95, 0xc9, 0xd9, 0x63, 0x21, 0xeb, 0x31, 0xb4, 0x32, 0x72,
+	0x96, 0x9b, 0x71, 0x51, 0x6e, 0x95, 0x89, 0xdc, 0xac, 0xdf, 0x0d, 0x58, 0x28, 0x86, 0x9c, 0x96,
+	0xef, 0x35, 0x74, 0x73, 0x17, 0x4e, 0xe8, 0x8e, 0xd2, 0x58, 0xee, 0xeb, 0xb1, 0x94, 0xd5, 0xf2,
+	0x00, 0xe3, 0x67, 0xee, 0x48, 0xb5, 0x54, 0x27, 0xd0, 0x48, 0xfd, 0x57, 0x30, 0x57, 0x12, 0x99,
+	0xf2, 0xec, 0xf9, 0xbf, 0xfe, 0xec, 0x29, 0x3c, 0xdd, 0x72, 0x6d, 0xfd, 0x2d, 0xf4, 0x08, 0x6e,
+	0xaa, 0xf9, 0xdb, 0xce, 0x9b, 0x2e, 0xab, 0x7d, 0xb1, 0x37, 0x8d, 0xc9, 0xde, 0xb4, 0xfa, 0xd0,
+	0x2b, 0xab, 0xa6, 0x53, 0x30, 0x84, 0xb9, 0x43, 0xee, 0x72, 0x12, 0x73, 0xe2, 0xe5, 0xef, 0xef,
+	0x89, 0x66, 0x36, 0xae, 0x02, 0x9b, 0xf2, 0x38, 0xcc, 0x42, 0x95, 0xf3, 0xac, 0xcf, 0xc4, 0xa7,
+	0xb8, 0x05, 0xa4, 0x7b, 0x4a, 0xef, 0xe0, 0x3d, 0xb8, 0x12, 0xfd, 0xc0, 0x29, 0x77, 0x03, 0x05,
+	0xe6, 0x35, 0x09, 0xe6, 0xa6, 0xa4, 0x48, 0x34, 0x57, 0x78, 0xe7, 0x2b, 0x6e, 0x5d, 0x41, 0xbd,
+	0x20, 0x48, 0xe6, 0x0a, 0x80, 0x1c, 0x29, 0x35, 0x0d, 0x0d, 0xa5, 0x2b, 0x28, 0xdb, 0x82, 0x60,
+	0xad, 0xc2, 0xf2, 0x67, 0x98, 0x8b, 0x67, 0x09, 0xdb, 0xa6, 0xd1, 0x80, 0x0c, 0x13, 0xe6, 0x6a,
+	0x57, 0x61, 0xfd, 0x68, 0xc0, 0xca, 0x05, 0x02, 0x69, 0xc2, 0x3d, 0x68, 0x86, 0x6e, 0xcc, 0x31,
+	0xcb, 0xa6, 0x24, 0x3b, 0x4e, 0x96, 0xa2, 0x72, 0x55, 0x29, 0xaa, 0xa5, 0x52, 0x2c, 0x42, 0x23,
+	0x74, 0xcf, 0x9d, 0xf0, 0x28, 0x7d, 0x77, 0xd4, 0x43, 0xf7, 0xfc, 0xd9, 0xd1, 0xd6, 0x9f, 0x4d,
+	0xe8, 0x1c, 0x62, 0xf7, 0x0c, 0x63, 0x5f, 0x06, 0x86, 0x86, 0xd9, 0x40, 0x14, 0x7f, 0xbd, 0xa1,
+	0x3b, 0x93, 0x9d, 0x3f, 0xf5, 0xe7, 0x62, 0xff, 0xee, 0x55, 0x62, 0x69, 0x6f, 0xcd, 0xa0, 0xe7,
+	0xd0, 0xd6, 0x7e, 0x1e, 0xa1, 0x65, 0x4d, 0xb1, 0xf4, 0xab, 0xaf, 0xbf, 0x72, 0x01, 0x37, 0xb3,
+	0x76, 0xdf, 0x40, 0x07, 0xd0, 0xd6, 0x50, 0x5d, 0xb7, 0x57, 0x7e, 0x5e, 0xe8, 0xf6, 0xa6, 0x3d,
+	0x05, 0x66, 0x84, 0x35, 0x0d, 0xb1, 0x75, 0x6b, 0xe5, 0x37, 0x82, 0x6e, 0x6d, 0x1a, 0xcc, 0x4b,
+	0x6b, 0x1a, 0x40, 0xea, 0xd6, 0xca, 0xf0, 0xaf, 0x5b, 0x9b, 0x86, 0xaa, 0x33, 0xe8, 0x1b, 0x98,
+	0x2b, 0x41, 0x17, 0xb2, 0xc6, 0x5a, 0x17, 0x61, 0x6e, 0x7f, 0xfd, 0x52, 0x99, 0xdc, 0xfe, 0x0b,
+	0xe8, 0xe8, 0x90, 0x82, 0xb4, 0x80, 0xa6, 0x80, 0x62, 0x7f, 0xf5, 0x22, 0xb6, 0x6e, 0x50, 0xdf,
+	0x96, 0xba, 0xc1, 0x29, 0x78, 0xa1, 0x1b, 0x9c, 0xb6, 0x64, 0xad, 0x19, 0xf4, 0x35, 0xcc, 0x4e,
+	0x6e, 0x2d, 0x74, 0x7b, 0xb2, 0x6c, 0xa5, 0x65, 0xd8, 0xb7, 0x2e, 0x13, 0xc9, 0x8d, 0xef, 0x03,
+	0x8c, 0x97, 0x11, 0x5a, 0x1a, 0xeb, 0x94, 0x96, 0x61, 0x7f, 0x79, 0x3a, 0x33, 0x37, 0xf5, 0x2d,
+	0x2c, 0x4e, 0x9d, 0x78, 0xa4, 0x8d, 0xc9, 0x65, 0x3b, 0xa3, 0xff, 0xbf, 0x2b, 0xe5, 0x32, 0x5f,
+	0x4f, 0x57, 0x61, 0x36, 0x56, 0x83, 0x3c, 0x88, 0x37, 0xbd, 0x80, 0xe0, 0x88, 0x3f, 0x05, 0xa9,
+	0xf1, 0x92, 0x51, 0x4e, 0x8f, 0x1a, 0xf2, 0x8f, 0x9f, 0x8f, 0xfe, 0x09, 0x00, 0x00, 0xff, 0xff,
+	0x32, 0x00, 0xf8, 0x2b, 0x07, 0x12, 0x00, 0x00,
 }
diff --git a/weed/server/filer_grpc_server.go b/weed/server/filer_grpc_server.go
index a84feec2d..d82ef9782 100644
--- a/weed/server/filer_grpc_server.go
+++ b/weed/server/filer_grpc_server.go
@@ -139,7 +139,7 @@ func (fs *FilerServer) CreateEntry(ctx context.Context, req *filer_pb.CreateEntr
 		FullPath: fullpath,
 		Attr:     filer2.PbToEntryAttribute(req.Entry.Attributes),
 		Chunks:   chunks,
-	})
+	}, req.OExcl)
 
 	if err == nil {
 		fs.filer.DeleteChunks(garbages)
diff --git a/weed/server/filer_grpc_server_rename.go b/weed/server/filer_grpc_server_rename.go
index dfa59e7fe..0669a26f1 100644
--- a/weed/server/filer_grpc_server_rename.go
+++ b/weed/server/filer_grpc_server_rename.go
@@ -107,7 +107,7 @@ func (fs *FilerServer) moveSelfEntry(ctx context.Context, oldParent filer2.FullP
 		Attr:     entry.Attr,
 		Chunks:   entry.Chunks,
 	}
-	createErr := fs.filer.CreateEntry(ctx, newEntry)
+	createErr := fs.filer.CreateEntry(ctx, newEntry, false)
 	if createErr != nil {
 		return createErr
 	}
diff --git a/weed/server/filer_server_handlers_write.go b/weed/server/filer_server_handlers_write.go
index a7dcc39a0..6b5d258bc 100644
--- a/weed/server/filer_server_handlers_write.go
+++ b/weed/server/filer_server_handlers_write.go
@@ -193,7 +193,7 @@ func (fs *FilerServer) updateFilerStore(ctx context.Context, r *http.Request, w
 		entry.Attr.Mime = mime.TypeByExtension(ext)
 	}
 	// glog.V(4).Infof("saving %s => %+v", path, entry)
-	if dbErr := fs.filer.CreateEntry(ctx, entry); dbErr != nil {
+	if dbErr := fs.filer.CreateEntry(ctx, entry, false); dbErr != nil {
 		fs.filer.DeleteChunks(entry.Chunks)
 		glog.V(0).Infof("failing to write %s to filer server : %v", path, dbErr)
 		writeJsonError(w, r, http.StatusInternalServerError, dbErr)
diff --git a/weed/server/filer_server_handlers_write_autochunk.go b/weed/server/filer_server_handlers_write_autochunk.go
index 8ff7ab2c0..5739c2d4e 100644
--- a/weed/server/filer_server_handlers_write_autochunk.go
+++ b/weed/server/filer_server_handlers_write_autochunk.go
@@ -176,7 +176,7 @@ func (fs *FilerServer) doAutoChunk(ctx context.Context, w http.ResponseWriter, r
 		},
 		Chunks: fileChunks,
 	}
-	if dbErr := fs.filer.CreateEntry(ctx, entry); dbErr != nil {
+	if dbErr := fs.filer.CreateEntry(ctx, entry, false); dbErr != nil {
 		fs.filer.DeleteChunks(entry.Chunks)
 		replyerr = dbErr
 		filerResult.Error = dbErr.Error()