refactor: moved to locked entry

weed/mount/locked_entry.go

@@ -0,0 +1,42 @@
+package mount
+
+import (
+	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
+	"sync"
+)
+
+type LockedEntry struct {
+	*filer_pb.Entry
+	sync.RWMutex
+}
+
+func (le *LockedEntry) GetEntry() *filer_pb.Entry {
+	le.RLock()
+	defer le.RUnlock()
+	return le.Entry
+}
+
+func (le *LockedEntry) SetEntry(entry *filer_pb.Entry) {
+	le.Lock()
+	defer le.Unlock()
+	le.Entry = entry
+}
+
+func (le *LockedEntry) UpdateEntry(fn func(entry *filer_pb.Entry)) *filer_pb.Entry {
+	le.Lock()
+	defer le.Unlock()
+	fn(le.Entry)
+	return le.Entry
+}
+
+func (le *LockedEntry) GetChunks() []*filer_pb.FileChunk {
+	le.RLock()
+	defer le.RUnlock()
+	return le.Entry.Chunks
+}
+
+func (le *LockedEntry) AppendChunks(newChunks []*filer_pb.FileChunk) {
+	le.Lock()
+	defer le.Unlock()
+	le.Entry.Chunks = append(le.Entry.Chunks, newChunks...)
+}