diff --git a/api/types.go b/api/types.go
index 03b55cba..3b5b1c01 100644
--- a/api/types.go
+++ b/api/types.go
@@ -13,6 +13,7 @@ type BackingImage struct {
 	UUID             string `json:"uuid"`
 	Size             int64  `json:"size"`
 	VirtualSize      int64  `json:"virtualSize"`
+	RealSize         int64  `json:"realSize"`
 	ExpectedChecksum string `json:"expectedChecksum"`
 
 	Status BackingImageStatus `json:"status"`
@@ -33,6 +34,7 @@ func RPCToBackingImage(obj *rpc.BackingImageResponse) *BackingImage {
 		UUID:             obj.Spec.Uuid,
 		Size:             obj.Spec.Size,
 		VirtualSize:      obj.Spec.VirtualSize,
+		RealSize:         obj.Spec.RealSize,
 		ExpectedChecksum: obj.Spec.Checksum,
 
 		Status: BackingImageStatus{
@@ -114,6 +116,7 @@ type FileInfo struct {
 	UUID             string `json:"uuid"`
 	Size             int64  `json:"size"`
 	VirtualSize      int64  `json:"virtualSize"`
+	RealSize         int64  `json:"realSize"`
 	State            string `json:"state"`
 	Progress         int    `json:"progress"`
 	ProcessedSize    int64  `json:"processedSize"`
diff --git a/go.mod b/go.mod
index a16879b9..4e7f315e 100644
--- a/go.mod
+++ b/go.mod
@@ -4,6 +4,8 @@ go 1.22.2
 
 toolchain go1.23.0
 
+replace github.com/longhorn/types v0.0.0-20240725040629-473d671316c4 => github.com/chanyilin/types v0.0.0-20240827082245-b720128c87f4
+
 require (
 	github.com/golang/protobuf v1.5.4
 	github.com/gorilla/mux v1.8.1
diff --git a/go.sum b/go.sum
index 3841aeae..6561904f 100644
--- a/go.sum
+++ b/go.sum
@@ -24,6 +24,8 @@ github.com/c9s/goprocinfo v0.0.0-20210130143923-c95fcf8c64a8 h1:SjZ2GvvOononHOpK
 github.com/c9s/goprocinfo v0.0.0-20210130143923-c95fcf8c64a8/go.mod h1:uEyr4WpAH4hio6LFriaPkL938XnrvLpNPmQHBdrmbIE=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/chanyilin/types v0.0.0-20240827082245-b720128c87f4 h1:owlhqpqY7n3UV4U+T0E0olMGKVxoVCL/Xuye9BTHKKA=
+github.com/chanyilin/types v0.0.0-20240827082245-b720128c87f4/go.mod h1:KlJuZB8NfHchWshYxYgV9pPIxBKC04Vq05G2TfgMf7w=
 github.com/coreos/go-systemd/v22 v22.5.0 h1:RrqgGjYQKalulkV8NGVIfkXQf6YYmOyiJKk8iXXhfZs=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/cpuguy83/go-md2man/v2 v2.0.4 h1:wfIWP927BUkWJb2NmU/kNDYIBTh/ziUX91+lVfRxZq4=
@@ -82,8 +84,6 @@ github.com/longhorn/longhorn-engine v1.5.5 h1:44p9Iyp4boKSHgMAl8iD4nY/EQRnF/e7hP
 github.com/longhorn/longhorn-engine v1.5.5/go.mod h1:/QEAmYu1ZNsKR22d8wdqssbz1ja7Yyj/GyPu8BYkTEk=
 github.com/longhorn/sparse-tools v0.0.0-20240729132735-18b207e459ff h1:gmdQDbnaGJ/zmrK+QJzSys8mH679os6i7vW/pOpRn1U=
 github.com/longhorn/sparse-tools v0.0.0-20240729132735-18b207e459ff/go.mod h1:iUJCZtOKG/9xv2rfrUAYZntFTzP5dZtvy4Kwe6dMcUc=
-github.com/longhorn/types v0.0.0-20240725040629-473d671316c4 h1:L2g0sIJ2fXt4BSFRYNnF6ObtKryCUFm9qLcCXHWssCk=
-github.com/longhorn/types v0.0.0-20240725040629-473d671316c4/go.mod h1:KlJuZB8NfHchWshYxYgV9pPIxBKC04Vq05G2TfgMf7w=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/matttproud/golang_protobuf_extensions v1.0.4 h1:mmDVorXM7PCGKw94cs5zkfA9PSy5pEvNWRP0ET0TIVo=
 github.com/matttproud/golang_protobuf_extensions v1.0.4/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4=
diff --git a/pkg/manager/service.go b/pkg/manager/service.go
index 696b9ab6..49789dda 100644
--- a/pkg/manager/service.go
+++ b/pkg/manager/service.go
@@ -300,6 +300,7 @@ func backingImageResponse(fInfo *api.FileInfo) *rpc.BackingImageResponse {
 			Uuid:        fInfo.UUID,
 			Size:        fInfo.Size,
 			VirtualSize: fInfo.VirtualSize,
+			RealSize:    fInfo.RealSize,
 			Checksum:    fInfo.ExpectedChecksum,
 		},
 		Status: &rpc.BackingImageStatus{
diff --git a/pkg/sync/sync_file.go b/pkg/sync/sync_file.go
index a43679c2..cd31de5d 100644
--- a/pkg/sync/sync_file.go
+++ b/pkg/sync/sync_file.go
@@ -85,6 +85,7 @@ type SyncingFile struct {
 	diskUUID         string
 	size             int64
 	virtualSize      int64
+	realSize         int64
 	state            types.State
 	progress         int
 	processedSize    int64
@@ -258,6 +259,7 @@ func (sf *SyncingFile) checkAndReuseFile() (err error) {
 	sf.modificationTime = info.ModTime().UTC().String()
 	sf.updateSyncReadyNoLock()
 	sf.updateVirtualSizeNoLock(sf.filePath)
+	sf.updateRealSizeNoLock(sf.filePath)
 	sf.writeConfigNoLock()
 	sf.lock.Unlock()
 
@@ -359,6 +361,7 @@ func (sf *SyncingFile) getNoLock() api.FileInfo {
 		UUID:             sf.uuid,
 		Size:             sf.size,
 		VirtualSize:      sf.virtualSize,
+		RealSize:         sf.realSize,
 		State:            string(sf.state),
 		Progress:         sf.progress,
 		ProcessedSize:    sf.processedSize,
@@ -917,6 +920,7 @@ func (sf *SyncingFile) finishProcessing(err error) (finalErr error) {
 		sf.currentChecksum = config.CurrentChecksum
 		sf.updateSyncReadyNoLock()
 		sf.updateVirtualSizeNoLock(sf.tmpFilePath)
+		sf.updateRealSizeNoLock(sf.tmpFilePath)
 		sf.writeConfigNoLock()
 
 		// Renaming won't change the file modification time.
@@ -966,6 +970,7 @@ func (sf *SyncingFile) postProcessSyncFile() {
 	}
 	sf.updateSyncReadyNoLock()
 	sf.updateVirtualSizeNoLock(sf.tmpFilePath)
+	sf.updateRealSizeNoLock(sf.tmpFilePath)
 	sf.writeConfigNoLock()
 
 	// Renaming won't change the file modification time.
@@ -1000,6 +1005,18 @@ func (sf *SyncingFile) updateVirtualSizeNoLock(filePath string) {
 	sf.virtualSize = imgInfo.VirtualSize
 }
 
+func (sf *SyncingFile) updateRealSizeNoLock(filePath string) {
+	realSize, err := util.GetFileRealSize(filePath)
+	if err != nil {
+		sf.log.Warnf("SyncingFile: failed to get backing image virtual size: %v", err)
+	}
+
+	// This will be zero when there is an error, which allows components
+	// further up the stack to know that the real size somehow isn't
+	// available yet.
+	sf.realSize = realSize
+}
+
 func (sf *SyncingFile) handleFailureNoLock(err error) {
 	if err == nil {
 		return
@@ -1029,6 +1046,7 @@ func (sf *SyncingFile) writeConfigNoLock() {
 		UUID:             sf.uuid,
 		Size:             sf.size,
 		VirtualSize:      sf.virtualSize,
+		RealSize:         sf.realSize,
 		ExpectedChecksum: sf.expectedChecksum,
 		CurrentChecksum:  sf.currentChecksum,
 		ModificationTime: sf.modificationTime,
diff --git a/pkg/util/util.go b/pkg/util/util.go
index 2bcd23cb..4f199435 100644
--- a/pkg/util/util.go
+++ b/pkg/util/util.go
@@ -14,6 +14,7 @@ import (
 	"os/exec"
 	"path/filepath"
 	"regexp"
+	"syscall"
 	"time"
 
 	"github.com/pkg/errors"
@@ -151,6 +152,7 @@ type SyncingFileConfig struct {
 	UUID             string `json:"uuid"`
 	Size             int64  `json:"size"`
 	VirtualSize      int64  `json:"virtualSize"`
+	RealSize         int64  `json:"realSize"`
 	ExpectedChecksum string `json:"expectedChecksum"`
 	CurrentChecksum  string `json:"currentChecksum"`
 	ModificationTime string `json:"modificationTime"`
@@ -313,6 +315,18 @@ func ConvertFromQcow2ToRaw(sourcePath, targetPath string) error {
 	return nil
 }
 
+func GetFileRealSize(filePath string) (int64, error) {
+	var stat syscall.Stat_t
+	err := syscall.Stat(filePath, &stat)
+	if err != nil {
+		return 0, err
+	}
+	fmt.Printf("stat.Blksize: %v\n", stat.Blksize)
+
+	// 512 is defined in the Linux kernel and remains consistent across all distributions.
+	return stat.Blocks * 512, nil
+}
+
 func FileModificationTime(filePath string) string {
 	fi, err := os.Stat(filePath)
 	if err != nil {
diff --git a/vendor/github.com/longhorn/types/pkg/generated/bimrpc/bimrpc.pb.go b/vendor/github.com/longhorn/types/pkg/generated/bimrpc/bimrpc.pb.go
index 24d8f870..d6058646 100644
--- a/vendor/github.com/longhorn/types/pkg/generated/bimrpc/bimrpc.pb.go
+++ b/vendor/github.com/longhorn/types/pkg/generated/bimrpc/bimrpc.pb.go
@@ -31,6 +31,7 @@ type BackingImageSpec struct {
 	Size        int64  `protobuf:"varint,3,opt,name=size,proto3" json:"size,omitempty"`
 	Checksum    string `protobuf:"bytes,4,opt,name=checksum,proto3" json:"checksum,omitempty"`
 	VirtualSize int64  `protobuf:"varint,5,opt,name=virtualSize,proto3" json:"virtualSize,omitempty"`
+	RealSize    int64  `protobuf:"varint,6,opt,name=realSize,proto3" json:"realSize,omitempty"`
 }
 
 func (x *BackingImageSpec) Reset() {
@@ -100,6 +101,13 @@ func (x *BackingImageSpec) GetVirtualSize() int64 {
 	return 0
 }
 
+func (x *BackingImageSpec) GetRealSize() int64 {
+	if x != nil {
+		return x.RealSize
+	}
+	return 0
+}
+
 type BackingImageStatus struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -774,6 +782,7 @@ type BackupCreateRequest struct {
 	Credential        map[string]string `protobuf:"bytes,6,rep,name=credential,proto3" json:"credential,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 	CompressionMethod string            `protobuf:"bytes,7,opt,name=compression_method,json=compressionMethod,proto3" json:"compression_method,omitempty"`
 	ConcurrentLimit   int32             `protobuf:"varint,8,opt,name=concurrent_limit,json=concurrentLimit,proto3" json:"concurrent_limit,omitempty"`
+	Parameters        map[string]string `protobuf:"bytes,9,rep,name=parameters,proto3" json:"parameters,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 }
 
 func (x *BackupCreateRequest) Reset() {
@@ -864,6 +873,13 @@ func (x *BackupCreateRequest) GetConcurrentLimit() int32 {
 	return 0
 }
 
+func (x *BackupCreateRequest) GetParameters() map[string]string {
+	if x != nil {
+		return x.Parameters
+	}
+	return nil
+}
+
 type BackupStatusRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -988,7 +1004,7 @@ var file_bimrpc_bimrpc_proto_rawDesc = []byte{
 	0x0a, 0x13, 0x62, 0x69, 0x6d, 0x72, 0x70, 0x63, 0x2f, 0x62, 0x69, 0x6d, 0x72, 0x70, 0x63, 0x2e,
 	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x06, 0x62, 0x69, 0x6d, 0x72, 0x70, 0x63, 0x1a, 0x1b, 0x67,
 	0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x65,
-	0x6d, 0x70, 0x74, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x8c, 0x01, 0x0a, 0x10, 0x42,
+	0x6d, 0x70, 0x74, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xa8, 0x01, 0x0a, 0x10, 0x42,
 	0x61, 0x63, 0x6b, 0x69, 0x6e, 0x67, 0x49, 0x6d, 0x61, 0x67, 0x65, 0x53, 0x70, 0x65, 0x63, 0x12,
 	0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e,
 	0x61, 0x6d, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x75, 0x75, 0x69, 0x64, 0x18, 0x02, 0x20, 0x01, 0x28,
@@ -997,177 +1013,187 @@ var file_bimrpc_bimrpc_proto_rawDesc = []byte{
 	0x68, 0x65, 0x63, 0x6b, 0x73, 0x75, 0x6d, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x08, 0x63,
 	0x68, 0x65, 0x63, 0x6b, 0x73, 0x75, 0x6d, 0x12, 0x20, 0x0a, 0x0b, 0x76, 0x69, 0x72, 0x74, 0x75,
 	0x61, 0x6c, 0x53, 0x69, 0x7a, 0x65, 0x18, 0x05, 0x20, 0x01, 0x28, 0x03, 0x52, 0x0b, 0x76, 0x69,
-	0x72, 0x74, 0x75, 0x61, 0x6c, 0x53, 0x69, 0x7a, 0x65, 0x22, 0xe2, 0x01, 0x0a, 0x12, 0x42, 0x61,
-	0x63, 0x6b, 0x69, 0x6e, 0x67, 0x49, 0x6d, 0x61, 0x67, 0x65, 0x53, 0x74, 0x61, 0x74, 0x75, 0x73,
-	0x12, 0x14, 0x0a, 0x05, 0x73, 0x74, 0x61, 0x74, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52,
-	0x05, 0x73, 0x74, 0x61, 0x74, 0x65, 0x12, 0x1b, 0x0a, 0x09, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x5f,
-	0x6d, 0x73, 0x67, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x08, 0x65, 0x72, 0x72, 0x6f, 0x72,
-	0x4d, 0x73, 0x67, 0x12, 0x2b, 0x0a, 0x11, 0x73, 0x65, 0x6e, 0x64, 0x69, 0x6e, 0x67, 0x5f, 0x72,
-	0x65, 0x66, 0x65, 0x72, 0x65, 0x6e, 0x63, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x05, 0x52, 0x10,
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-	0x65, 0x72, 0x5f, 0x61, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09,
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 }
 
 var (
@@ -1182,7 +1208,7 @@ func file_bimrpc_bimrpc_proto_rawDescGZIP() []byte {
 	return file_bimrpc_bimrpc_proto_rawDescData
 }
 
-var file_bimrpc_bimrpc_proto_msgTypes = make([]protoimpl.MessageInfo, 17)
+var file_bimrpc_bimrpc_proto_msgTypes = make([]protoimpl.MessageInfo, 18)
 var file_bimrpc_bimrpc_proto_goTypes = []interface{}{
 	(*BackingImageSpec)(nil),        // 0: bimrpc.BackingImageSpec
 	(*BackingImageStatus)(nil),      // 1: bimrpc.BackingImageStatus
@@ -1201,7 +1227,8 @@ var file_bimrpc_bimrpc_proto_goTypes = []interface{}{
 	(*BackupStatusResponse)(nil),    // 14: bimrpc.BackupStatusResponse
 	nil,                             // 15: bimrpc.ListResponse.BackingImagesEntry
 	nil,                             // 16: bimrpc.BackupCreateRequest.CredentialEntry
-	(*emptypb.Empty)(nil),           // 17: google.protobuf.Empty
+	nil,                             // 17: bimrpc.BackupCreateRequest.ParametersEntry
+	(*emptypb.Empty)(nil),           // 18: google.protobuf.Empty
 }
 var file_bimrpc_bimrpc_proto_depIdxs = []int32{
 	0,  // 0: bimrpc.BackingImageResponse.spec:type_name -> bimrpc.BackingImageSpec
@@ -1210,34 +1237,35 @@ var file_bimrpc_bimrpc_proto_depIdxs = []int32{
 	0,  // 3: bimrpc.SyncRequest.spec:type_name -> bimrpc.BackingImageSpec
 	0,  // 4: bimrpc.FetchRequest.spec:type_name -> bimrpc.BackingImageSpec
 	16, // 5: bimrpc.BackupCreateRequest.credential:type_name -> bimrpc.BackupCreateRequest.CredentialEntry
-	2,  // 6: bimrpc.ListResponse.BackingImagesEntry.value:type_name -> bimrpc.BackingImageResponse
-	3,  // 7: bimrpc.BackingImageManagerService.Delete:input_type -> bimrpc.DeleteRequest
-	4,  // 8: bimrpc.BackingImageManagerService.Get:input_type -> bimrpc.GetRequest
-	17, // 9: bimrpc.BackingImageManagerService.List:input_type -> google.protobuf.Empty
-	17, // 10: bimrpc.BackingImageManagerService.VersionGet:input_type -> google.protobuf.Empty
-	7,  // 11: bimrpc.BackingImageManagerService.Sync:input_type -> bimrpc.SyncRequest
-	8,  // 12: bimrpc.BackingImageManagerService.Send:input_type -> bimrpc.SendRequest
-	9,  // 13: bimrpc.BackingImageManagerService.Fetch:input_type -> bimrpc.FetchRequest
-	10, // 14: bimrpc.BackingImageManagerService.PrepareDownload:input_type -> bimrpc.PrepareDownloadRequest
-	12, // 15: bimrpc.BackingImageManagerService.BackupCreate:input_type -> bimrpc.BackupCreateRequest
-	13, // 16: bimrpc.BackingImageManagerService.BackupStatus:input_type -> bimrpc.BackupStatusRequest
-	17, // 17: bimrpc.BackingImageManagerService.Watch:input_type -> google.protobuf.Empty
-	17, // 18: bimrpc.BackingImageManagerService.Delete:output_type -> google.protobuf.Empty
-	2,  // 19: bimrpc.BackingImageManagerService.Get:output_type -> bimrpc.BackingImageResponse
-	5,  // 20: bimrpc.BackingImageManagerService.List:output_type -> bimrpc.ListResponse
-	6,  // 21: bimrpc.BackingImageManagerService.VersionGet:output_type -> bimrpc.VersionResponse
-	2,  // 22: bimrpc.BackingImageManagerService.Sync:output_type -> bimrpc.BackingImageResponse
-	17, // 23: bimrpc.BackingImageManagerService.Send:output_type -> google.protobuf.Empty
-	2,  // 24: bimrpc.BackingImageManagerService.Fetch:output_type -> bimrpc.BackingImageResponse
-	11, // 25: bimrpc.BackingImageManagerService.PrepareDownload:output_type -> bimrpc.PrepareDownloadResponse
-	17, // 26: bimrpc.BackingImageManagerService.BackupCreate:output_type -> google.protobuf.Empty
-	14, // 27: bimrpc.BackingImageManagerService.BackupStatus:output_type -> bimrpc.BackupStatusResponse
-	17, // 28: bimrpc.BackingImageManagerService.Watch:output_type -> google.protobuf.Empty
-	18, // [18:29] is the sub-list for method output_type
-	7,  // [7:18] is the sub-list for method input_type
-	7,  // [7:7] is the sub-list for extension type_name
-	7,  // [7:7] is the sub-list for extension extendee
-	0,  // [0:7] is the sub-list for field type_name
+	17, // 6: bimrpc.BackupCreateRequest.parameters:type_name -> bimrpc.BackupCreateRequest.ParametersEntry
+	2,  // 7: bimrpc.ListResponse.BackingImagesEntry.value:type_name -> bimrpc.BackingImageResponse
+	3,  // 8: bimrpc.BackingImageManagerService.Delete:input_type -> bimrpc.DeleteRequest
+	4,  // 9: bimrpc.BackingImageManagerService.Get:input_type -> bimrpc.GetRequest
+	18, // 10: bimrpc.BackingImageManagerService.List:input_type -> google.protobuf.Empty
+	18, // 11: bimrpc.BackingImageManagerService.VersionGet:input_type -> google.protobuf.Empty
+	7,  // 12: bimrpc.BackingImageManagerService.Sync:input_type -> bimrpc.SyncRequest
+	8,  // 13: bimrpc.BackingImageManagerService.Send:input_type -> bimrpc.SendRequest
+	9,  // 14: bimrpc.BackingImageManagerService.Fetch:input_type -> bimrpc.FetchRequest
+	10, // 15: bimrpc.BackingImageManagerService.PrepareDownload:input_type -> bimrpc.PrepareDownloadRequest
+	12, // 16: bimrpc.BackingImageManagerService.BackupCreate:input_type -> bimrpc.BackupCreateRequest
+	13, // 17: bimrpc.BackingImageManagerService.BackupStatus:input_type -> bimrpc.BackupStatusRequest
+	18, // 18: bimrpc.BackingImageManagerService.Watch:input_type -> google.protobuf.Empty
+	18, // 19: bimrpc.BackingImageManagerService.Delete:output_type -> google.protobuf.Empty
+	2,  // 20: bimrpc.BackingImageManagerService.Get:output_type -> bimrpc.BackingImageResponse
+	5,  // 21: bimrpc.BackingImageManagerService.List:output_type -> bimrpc.ListResponse
+	6,  // 22: bimrpc.BackingImageManagerService.VersionGet:output_type -> bimrpc.VersionResponse
+	2,  // 23: bimrpc.BackingImageManagerService.Sync:output_type -> bimrpc.BackingImageResponse
+	18, // 24: bimrpc.BackingImageManagerService.Send:output_type -> google.protobuf.Empty
+	2,  // 25: bimrpc.BackingImageManagerService.Fetch:output_type -> bimrpc.BackingImageResponse
+	11, // 26: bimrpc.BackingImageManagerService.PrepareDownload:output_type -> bimrpc.PrepareDownloadResponse
+	18, // 27: bimrpc.BackingImageManagerService.BackupCreate:output_type -> google.protobuf.Empty
+	14, // 28: bimrpc.BackingImageManagerService.BackupStatus:output_type -> bimrpc.BackupStatusResponse
+	18, // 29: bimrpc.BackingImageManagerService.Watch:output_type -> google.protobuf.Empty
+	19, // [19:30] is the sub-list for method output_type
+	8,  // [8:19] is the sub-list for method input_type
+	8,  // [8:8] is the sub-list for extension type_name
+	8,  // [8:8] is the sub-list for extension extendee
+	0,  // [0:8] is the sub-list for field type_name
 }
 
 func init() { file_bimrpc_bimrpc_proto_init() }
@@ -1433,7 +1461,7 @@ func file_bimrpc_bimrpc_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_bimrpc_bimrpc_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   17,
+			NumMessages:   18,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 331883d0..2685acfa 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -197,7 +197,7 @@ github.com/longhorn/sparse-tools/sparse
 github.com/longhorn/sparse-tools/sparse/rest
 github.com/longhorn/sparse-tools/types
 github.com/longhorn/sparse-tools/util
-# github.com/longhorn/types v0.0.0-20240725040629-473d671316c4
+# github.com/longhorn/types v0.0.0-20240725040629-473d671316c4 => github.com/chanyilin/types v0.0.0-20240827082245-b720128c87f4
 ## explicit; go 1.21
 github.com/longhorn/types/pkg/generated/bimrpc
 # github.com/matttproud/golang_protobuf_extensions v1.0.4