refactoring

weed/storage/needle/needle_read_write.go

@@ -9,7 +9,7 @@ import (
 	"math"
 
 	"github.com/chrislusf/seaweedfs/weed/glog"
-	"github.com/chrislusf/seaweedfs/weed/storage/memory_map"
+	"github.com/chrislusf/seaweedfs/weed/storage/backend/memory_map"
 	. "github.com/chrislusf/seaweedfs/weed/storage/types"
 	"github.com/chrislusf/seaweedfs/weed/util"
 )

weed/storage/volume_create_windows.go

@@ -5,11 +5,11 @@ package storage
 import (
 	"os"
 
-	"github.com/chrislusf/seaweedfs/weed/storage/memory_map"
+	"github.com/chrislusf/seaweedfs/weed/storage/backend/memory_map"
 	"golang.org/x/sys/windows"
 
 	"github.com/chrislusf/seaweedfs/weed/glog"
-	"github.com/chrislusf/seaweedfs/weed/storage/memory_map/os_overloads"
+	"github.com/chrislusf/seaweedfs/weed/storage/backend/memory_map/os_overloads"
 )
 
 func createVolumeFile(fileName string, preallocate int64, memoryMapSizeMB uint32) (*os.File, error) {

weed/storage/volume_read_write.go

@@ -9,7 +9,7 @@ import (
 	"time"
 
 	"github.com/chrislusf/seaweedfs/weed/glog"
-	"github.com/chrislusf/seaweedfs/weed/storage/memory_map"
+	"github.com/chrislusf/seaweedfs/weed/storage/backend/memory_map"
 	"github.com/chrislusf/seaweedfs/weed/storage/needle"
 	. "github.com/chrislusf/seaweedfs/weed/storage/types"
 )

weed/storage/volume_super_block.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/chrislusf/seaweedfs/weed/storage/memory_map"
+	"github.com/chrislusf/seaweedfs/weed/storage/backend/memory_map"
 
 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/pb/master_pb"