1 files changed, 0 insertions, 101 deletions
diff --git a/weed/filesys/meta_cache/id_mapper.go b/weed/filesys/meta_cache/id_mapper.go
deleted file mode 100644
index 4a2179f31..000000000
--- a/weed/filesys/meta_cache/id_mapper.go
+++ /dev/null
@@ -1,101 +0,0 @@
-package meta_cache
-
-import (
-	"fmt"
-	"strconv"
-	"strings"
-)
-
-type UidGidMapper struct {
-	uidMapper *IdMapper
-	gidMapper *IdMapper
-}
-
-type IdMapper struct {
-	localToFiler map[uint32]uint32
-	filerToLocal map[uint32]uint32
-}
-
-// UidGidMapper translates local uid/gid to filer uid/gid
-// The local storage always persists the same as the filer.
-// The local->filer translation happens when updating the filer first and later saving to meta_cache.
-// And filer->local happens when reading from the meta_cache.
-func NewUidGidMapper(uidPairsStr, gidPairStr string) (*UidGidMapper, error) {
-	uidMapper, err := newIdMapper(uidPairsStr)
-	if err != nil {
-		return nil, err
-	}
-	gidMapper, err := newIdMapper(gidPairStr)
-	if err != nil {
-		return nil, err
-	}
-
-	return &UidGidMapper{
-		uidMapper: uidMapper,
-		gidMapper: gidMapper,
-	}, nil
-}
-
-func (m *UidGidMapper) LocalToFiler(uid, gid uint32) (uint32, uint32) {
-	return m.uidMapper.LocalToFiler(uid), m.gidMapper.LocalToFiler(gid)
-}
-func (m *UidGidMapper) FilerToLocal(uid, gid uint32) (uint32, uint32) {
-	return m.uidMapper.FilerToLocal(uid), m.gidMapper.FilerToLocal(gid)
-}
-
-func (m *IdMapper) LocalToFiler(id uint32) uint32 {
-	value, found := m.localToFiler[id]
-	if found {
-		return value
-	}
-	return id
-}
-func (m *IdMapper) FilerToLocal(id uint32) uint32 {
-	value, found := m.filerToLocal[id]
-	if found {
-		return value
-	}
-	return id
-}
-
-func newIdMapper(pairsStr string) (*IdMapper, error) {
-
-	localToFiler, filerToLocal, err := parseUint32Pairs(pairsStr)
-	if err != nil {
-		return nil, err
-	}
-
-	return &IdMapper{
-		localToFiler: localToFiler,
-		filerToLocal: filerToLocal,
-	}, nil
-
-}
-
-func parseUint32Pairs(pairsStr string) (localToFiler, filerToLocal map[uint32]uint32, err error) {
-
-	if pairsStr == "" {
-		return
-	}
-
-	localToFiler = make(map[uint32]uint32)
-	filerToLocal = make(map[uint32]uint32)
-	for _, pairStr := range strings.Split(pairsStr, ",") {
-		pair := strings.Split(pairStr, ":")
-		localUidStr, filerUidStr := pair[0], pair[1]
-		localUid, localUidErr := strconv.Atoi(localUidStr)
-		if localUidErr != nil {
-			err = fmt.Errorf("failed to parse local %s: %v", localUidStr, localUidErr)
-			return
-		}
-		filerUid, filerUidErr := strconv.Atoi(filerUidStr)
-		if filerUidErr != nil {
-			err = fmt.Errorf("failed to parse remote %s: %v", filerUidStr, filerUidErr)
-			return
-		}
-		localToFiler[uint32(localUid)] = uint32(filerUid)
-		filerToLocal[uint32(filerUid)] = uint32(localUid)
-	}
-
-	return
-}