1 files changed, 0 insertions, 69 deletions
diff --git a/weed/filesys/page_writer/page_chunk_mem.go b/weed/filesys/page_writer/page_chunk_mem.go
deleted file mode 100644
index dfd54c19e..000000000
--- a/weed/filesys/page_writer/page_chunk_mem.go
+++ /dev/null
@@ -1,69 +0,0 @@
-package page_writer
-
-import (
-	"github.com/chrislusf/seaweedfs/weed/util"
-	"github.com/chrislusf/seaweedfs/weed/util/mem"
-)
-
-var (
-	_ = PageChunk(&MemChunk{})
-)
-
-type MemChunk struct {
-	buf             []byte
-	usage           *ChunkWrittenIntervalList
-	chunkSize       int64
-	logicChunkIndex LogicChunkIndex
-}
-
-func NewMemChunk(logicChunkIndex LogicChunkIndex, chunkSize int64) *MemChunk {
-	return &MemChunk{
-		logicChunkIndex: logicChunkIndex,
-		chunkSize:       chunkSize,
-		buf:             mem.Allocate(int(chunkSize)),
-		usage:           newChunkWrittenIntervalList(),
-	}
-}
-
-func (mc *MemChunk) FreeResource() {
-	mem.Free(mc.buf)
-}
-
-func (mc *MemChunk) WriteDataAt(src []byte, offset int64) (n int) {
-	innerOffset := offset % mc.chunkSize
-	n = copy(mc.buf[innerOffset:], src)
-	mc.usage.MarkWritten(innerOffset, innerOffset+int64(n))
-	return
-}
-
-func (mc *MemChunk) ReadDataAt(p []byte, off int64) (maxStop int64) {
-	memChunkBaseOffset := int64(mc.logicChunkIndex) * mc.chunkSize
-	for t := mc.usage.head.next; t != mc.usage.tail; t = t.next {
-		logicStart := max(off, int64(mc.logicChunkIndex)*mc.chunkSize+t.StartOffset)
-		logicStop := min(off+int64(len(p)), memChunkBaseOffset+t.stopOffset)
-		if logicStart < logicStop {
-			copy(p[logicStart-off:logicStop-off], mc.buf[logicStart-memChunkBaseOffset:logicStop-memChunkBaseOffset])
-			maxStop = max(maxStop, logicStop)
-		}
-	}
-	return
-}
-
-func (mc *MemChunk) IsComplete() bool {
-	return mc.usage.IsComplete(mc.chunkSize)
-}
-
-func (mc *MemChunk) WrittenSize() int64 {
-	return mc.usage.WrittenSize()
-}
-
-func (mc *MemChunk) SaveContent(saveFn SaveToStorageFunc) {
-	if saveFn == nil {
-		return
-	}
-	for t := mc.usage.head.next; t != mc.usage.tail; t = t.next {
-		reader := util.NewBytesReader(mc.buf[t.StartOffset:t.stopOffset])
-		saveFn(reader, int64(mc.logicChunkIndex)*mc.chunkSize+t.StartOffset, t.Size(), func() {
-		})
-	}
-}