fix(client): Disable xattr security.capability to avoid useless request to backend

close:#1000519910

@formatter:off

Signed-off-by: leonrayang <changliang@oppo.com>

client/fs/dir.go

@@ -970,6 +970,16 @@ func (d *Dir) Getxattr(ctx context.Context, req *fuse.GetxattrRequest, resp *fus
 		d.super.runningMonitor.SubClientOp(runningStat, err)
 	}()
 
+	// Optimize: directly return empty value for security.capability to avoid frequent server queries
+	// This avoids backend service access for system xattr that is frequently queried during write operations
+	if name == "security.capability" {
+		resp.Xattr = []byte{}
+		if log.EnableDebug() {
+			log.LogDebugf("TRACE GetXattr: ino(%v) name(%v) (optimized, returning empty)", ino, name)
+		}
+		return nil
+	}
+
 	if name == meta.SummaryKey {
 		var summaryInfo meta.SummaryInfo
 		summaryInfo, err = d.super.mw.GetSummary_ll(ino, 20)

client/fs/file.go

@@ -815,6 +815,15 @@ func (f *File) Getxattr(ctx context.Context, req *fuse.GetxattrRequest, resp *fu
 	name := req.Name
 	size := req.Size
 	pos := req.Position
+
+	// Optimize: directly return empty value for security.capability to avoid frequent server queries
+	// This avoids backend service access for system xattr that is frequently queried during write operations
+	if name == "security.capability" {
+		resp.Xattr = []byte{}
+		log.LogDebugf("TRACE GetXattr: ino(%v) name(%v) (optimized, returning empty)", ino, name)
+		return nil
+	}
+
 	info, err := f.super.mw.XAttrGet_ll(ino, name)
 	if err != nil {
 		log.LogErrorf("GetXattr: ino(%v) name(%v) err(%v)", ino, name, err)

proto/distributed_cache.pb.go

@@ -5,17 +5,20 @@ package proto
 
 import (
 	fmt "fmt"
-	_ "github.com/gogo/protobuf/gogoproto"
-	proto "github.com/golang/protobuf/proto"
 	io "io"
 	math "math"
 	math_bits "math/bits"
+
+	_ "github.com/gogo/protobuf/gogoproto"
+	proto "github.com/golang/protobuf/proto"
 )
 
 // Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
+var (
+	_ = proto.Marshal
+	_ = fmt.Errorf
+	_ = math.Inf
+)
 
 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the proto package it is being compiled against.
@@ -40,9 +43,11 @@ func (*DataSource) ProtoMessage() {}
 func (*DataSource) Descriptor() ([]byte, []int) {
 	return fileDescriptor_9a29821e5022ef34, []int{0}
 }
+
 func (m *DataSource) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
 }
+
 func (m *DataSource) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	if deterministic {
 		return xxx_messageInfo_DataSource.Marshal(b, m, deterministic)
@@ -55,12 +60,15 @@ func (m *DataSource) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 		return b[:n], nil
 	}
 }
+
 func (m *DataSource) XXX_Merge(src proto.Message) {
 	xxx_messageInfo_DataSource.Merge(m, src)
 }
+
 func (m *DataSource) XXX_Size() int {
 	return m.Size()
 }
+
 func (m *DataSource) XXX_DiscardUnknown() {
 	xxx_messageInfo_DataSource.DiscardUnknown(m)
 }
@@ -127,9 +135,11 @@ func (*CacheRequest) ProtoMessage() {}
 func (*CacheRequest) Descriptor() ([]byte, []int) {
 	return fileDescriptor_9a29821e5022ef34, []int{1}
 }
+
 func (m *CacheRequest) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
 }
+
 func (m *CacheRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	if deterministic {
 		return xxx_messageInfo_CacheRequest.Marshal(b, m, deterministic)
@@ -142,12 +152,15 @@ func (m *CacheRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)
 		return b[:n], nil
 	}
 }
+
 func (m *CacheRequest) XXX_Merge(src proto.Message) {
 	xxx_messageInfo_CacheRequest.Merge(m, src)
 }
+
 func (m *CacheRequest) XXX_Size() int {
 	return m.Size()
 }
+
 func (m *CacheRequest) XXX_DiscardUnknown() {
 	xxx_messageInfo_CacheRequest.DiscardUnknown(m)
 }
@@ -217,9 +230,11 @@ func (*CacheReadRequest) ProtoMessage() {}
 func (*CacheReadRequest) Descriptor() ([]byte, []int) {
 	return fileDescriptor_9a29821e5022ef34, []int{2}
 }
+
 func (m *CacheReadRequest) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
 }
+
 func (m *CacheReadRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	if deterministic {
 		return xxx_messageInfo_CacheReadRequest.Marshal(b, m, deterministic)
@@ -232,12 +247,15 @@ func (m *CacheReadRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, er
 		return b[:n], nil
 	}
 }
+
 func (m *CacheReadRequest) XXX_Merge(src proto.Message) {
 	xxx_messageInfo_CacheReadRequest.Merge(m, src)
 }
+
 func (m *CacheReadRequest) XXX_Size() int {
 	return m.Size()
 }
+
 func (m *CacheReadRequest) XXX_DiscardUnknown() {
 	xxx_messageInfo_CacheReadRequest.DiscardUnknown(m)
 }
@@ -278,9 +296,11 @@ func (*CachePrepareRequest) ProtoMessage() {}
 func (*CachePrepareRequest) Descriptor() ([]byte, []int) {
 	return fileDescriptor_9a29821e5022ef34, []int{3}
 }
+
 func (m *CachePrepareRequest) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
 }
+
 func (m *CachePrepareRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	if deterministic {
 		return xxx_messageInfo_CachePrepareRequest.Marshal(b, m, deterministic)
@@ -293,12 +313,15 @@ func (m *CachePrepareRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte,
 		return b[:n], nil
 	}
 }
+
 func (m *CachePrepareRequest) XXX_Merge(src proto.Message) {
 	xxx_messageInfo_CachePrepareRequest.Merge(m, src)
 }
+
 func (m *CachePrepareRequest) XXX_Size() int {
 	return m.Size()
 }
+
 func (m *CachePrepareRequest) XXX_DiscardUnknown() {
 	xxx_messageInfo_CachePrepareRequest.DiscardUnknown(m)
 }
@@ -333,9 +356,11 @@ func (*PutBlockHead) ProtoMessage() {}
 func (*PutBlockHead) Descriptor() ([]byte, []int) {
 	return fileDescriptor_9a29821e5022ef34, []int{4}
 }
+
 func (m *PutBlockHead) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
 }
+
 func (m *PutBlockHead) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	if deterministic {
 		return xxx_messageInfo_PutBlockHead.Marshal(b, m, deterministic)
@@ -348,12 +373,15 @@ func (m *PutBlockHead) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)
 		return b[:n], nil
 	}
 }
+
 func (m *PutBlockHead) XXX_Merge(src proto.Message) {
 	xxx_messageInfo_PutBlockHead.Merge(m, src)
 }
+
 func (m *PutBlockHead) XXX_Size() int {
 	return m.Size()
 }
+
 func (m *PutBlockHead) XXX_DiscardUnknown() {
 	xxx_messageInfo_PutBlockHead.DiscardUnknown(m)
 }
@@ -398,9 +426,11 @@ func (*CacheReadRequestBase) ProtoMessage() {}
 func (*CacheReadRequestBase) Descriptor() ([]byte, []int) {
 	return fileDescriptor_9a29821e5022ef34, []int{5}
 }
+
 func (m *CacheReadRequestBase) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
 }
+
 func (m *CacheReadRequestBase) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	if deterministic {
 		return xxx_messageInfo_CacheReadRequestBase.Marshal(b, m, deterministic)
@@ -413,12 +443,15 @@ func (m *CacheReadRequestBase) XXX_Marshal(b []byte, deterministic bool) ([]byte
 		return b[:n], nil
 	}
 }
+
 func (m *CacheReadRequestBase) XXX_Merge(src proto.Message) {
 	xxx_messageInfo_CacheReadRequestBase.Merge(m, src)
 }
+
 func (m *CacheReadRequestBase) XXX_Size() int {
 	return m.Size()
 }
+
 func (m *CacheReadRequestBase) XXX_DiscardUnknown() {
 	xxx_messageInfo_CacheReadRequestBase.DiscardUnknown(m)
 }
@@ -484,9 +517,11 @@ func (*BatchReadItem) ProtoMessage() {}
 func (*BatchReadItem) Descriptor() ([]byte, []int) {
 	return fileDescriptor_9a29821e5022ef34, []int{6}
 }
+
 func (m *BatchReadItem) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
 }
+
 func (m *BatchReadItem) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	if deterministic {
 		return xxx_messageInfo_BatchReadItem.Marshal(b, m, deterministic)
@@ -499,12 +534,15 @@ func (m *BatchReadItem) XXX_Marshal(b []byte, deterministic bool) ([]byte, error
 		return b[:n], nil
 	}
 }
+
 func (m *BatchReadItem) XXX_Merge(src proto.Message) {
 	xxx_messageInfo_BatchReadItem.Merge(m, src)
 }
+
 func (m *BatchReadItem) XXX_Size() int {
 	return m.Size()
 }
+
 func (m *BatchReadItem) XXX_DiscardUnknown() {
 	xxx_messageInfo_BatchReadItem.DiscardUnknown(m)
 }
@@ -566,9 +604,11 @@ func (*BatchReadReq) ProtoMessage() {}
 func (*BatchReadReq) Descriptor() ([]byte, []int) {
 	return fileDescriptor_9a29821e5022ef34, []int{7}
 }
+
 func (m *BatchReadReq) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
 }
+
 func (m *BatchReadReq) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	if deterministic {
 		return xxx_messageInfo_BatchReadReq.Marshal(b, m, deterministic)
@@ -581,12 +621,15 @@ func (m *BatchReadReq) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)
 		return b[:n], nil
 	}
 }
+
 func (m *BatchReadReq) XXX_Merge(src proto.Message) {
 	xxx_messageInfo_BatchReadReq.Merge(m, src)
 }
+
 func (m *BatchReadReq) XXX_Size() int {
 	return m.Size()
 }
+
 func (m *BatchReadReq) XXX_DiscardUnknown() {
 	xxx_messageInfo_BatchReadReq.DiscardUnknown(m)
 }
@@ -622,9 +665,11 @@ func (*ReadResult) ProtoMessage() {}
 func (*ReadResult) Descriptor() ([]byte, []int) {
 	return fileDescriptor_9a29821e5022ef34, []int{8}
 }
+
 func (m *ReadResult) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
 }
+
 func (m *ReadResult) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	if deterministic {
 		return xxx_messageInfo_ReadResult.Marshal(b, m, deterministic)
@@ -637,12 +682,15 @@ func (m *ReadResult) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 		return b[:n], nil
 	}
 }
+
 func (m *ReadResult) XXX_Merge(src proto.Message) {
 	xxx_messageInfo_ReadResult.Merge(m, src)
 }
+
 func (m *ReadResult) XXX_Size() int {
 	return m.Size()
 }
+
 func (m *ReadResult) XXX_DiscardUnknown() {
 	xxx_messageInfo_ReadResult.DiscardUnknown(m)
 }
@@ -689,9 +737,11 @@ func (*BatchReadResp) ProtoMessage() {}
 func (*BatchReadResp) Descriptor() ([]byte, []int) {
 	return fileDescriptor_9a29821e5022ef34, []int{9}
 }
+
 func (m *BatchReadResp) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
 }
+
 func (m *BatchReadResp) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	if deterministic {
 		return xxx_messageInfo_BatchReadResp.Marshal(b, m, deterministic)
@@ -704,12 +754,15 @@ func (m *BatchReadResp) XXX_Marshal(b []byte, deterministic bool) ([]byte, error
 		return b[:n], nil
 	}
 }
+
 func (m *BatchReadResp) XXX_Merge(src proto.Message) {
 	xxx_messageInfo_BatchReadResp.Merge(m, src)
 }
+
 func (m *BatchReadResp) XXX_Size() int {
 	return m.Size()
 }
+
 func (m *BatchReadResp) XXX_DiscardUnknown() {
 	xxx_messageInfo_BatchReadResp.DiscardUnknown(m)
 }
@@ -1325,6 +1378,7 @@ func encodeVarintDistributedCache(dAtA []byte, offset int, v uint64) int {
 	dAtA[offset] = uint8(v)
 	return base
 }
+
 func (m *DataSource) Size() (n int) {
 	if m == nil {
 		return 0
@@ -1591,9 +1645,11 @@ func (m *BatchReadResp) Size() (n int) {
 func sovDistributedCache(x uint64) (n int) {
 	return (math_bits.Len64(x|1) + 6) / 7
 }
+
 func sozDistributedCache(x uint64) (n int) {
 	return sovDistributedCache(uint64((x << 1) ^ uint64((int64(x) >> 63))))
 }
+
 func (m *DataSource) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -1772,6 +1828,7 @@ func (m *DataSource) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+
 func (m *CacheRequest) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -1984,6 +2041,7 @@ func (m *CacheRequest) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+
 func (m *CacheReadRequest) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -2109,6 +2167,7 @@ func (m *CacheReadRequest) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+
 func (m *CachePrepareRequest) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -2228,6 +2287,7 @@ func (m *CachePrepareRequest) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+
 func (m *PutBlockHead) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -2349,6 +2409,7 @@ func (m *PutBlockHead) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+
 func (m *CacheReadRequestBase) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -2527,6 +2588,7 @@ func (m *CacheReadRequestBase) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+
 func (m *BatchReadItem) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -2718,6 +2780,7 @@ func (m *BatchReadItem) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+
 func (m *BatchReadReq) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -2822,6 +2885,7 @@ func (m *BatchReadReq) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+
 func (m *ReadResult) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -2964,6 +3028,7 @@ func (m *ReadResult) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+
 func (m *BatchReadResp) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -3049,6 +3114,7 @@ func (m *BatchReadResp) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+
 func skipDistributedCache(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0