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authorchrislu <chris.lu@gmail.com>2022-02-27 03:03:19 -0800
committerchrislu <chris.lu@gmail.com>2022-02-27 03:03:19 -0800
commitc3792c8352d72b9dac5e6032e9b0710e032e18d2 (patch)
tree44f87f7fb040217ba3dba8c00db1b6191a60fcc6 /weed/filesys/dir_link.go
parentaa9eef81e61f29e1801b2e23a6d8db8a4836cb9c (diff)
downloadseaweedfs-c3792c8352d72b9dac5e6032e9b0710e032e18d2.tar.xz
seaweedfs-c3792c8352d72b9dac5e6032e9b0710e032e18d2.zip
remove dead code
Diffstat (limited to 'weed/filesys/dir_link.go')
-rw-r--r--weed/filesys/dir_link.go169
1 files changed, 0 insertions, 169 deletions
diff --git a/weed/filesys/dir_link.go b/weed/filesys/dir_link.go
deleted file mode 100644
index 7fc98a5a6..000000000
--- a/weed/filesys/dir_link.go
+++ /dev/null
@@ -1,169 +0,0 @@
-package filesys
-
-import (
- "context"
- "github.com/chrislusf/seaweedfs/weed/util"
- "os"
- "syscall"
- "time"
-
- "github.com/chrislusf/seaweedfs/weed/filer"
- "github.com/chrislusf/seaweedfs/weed/glog"
- "github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
- "github.com/seaweedfs/fuse"
- "github.com/seaweedfs/fuse/fs"
-)
-
-var _ = fs.NodeLinker(&Dir{})
-var _ = fs.NodeSymlinker(&Dir{})
-var _ = fs.NodeReadlinker(&File{})
-
-const (
- HARD_LINK_MARKER = '\x01'
-)
-
-func (dir *Dir) Link(ctx context.Context, req *fuse.LinkRequest, old fs.Node) (fs.Node, error) {
-
- if err := checkName(req.NewName); err != nil {
- return nil, err
- }
-
- oldFile, ok := old.(*File)
- if !ok {
- glog.Errorf("old node is not a file: %+v", old)
- }
-
- glog.V(4).Infof("Link: %v/%v -> %v/%v", oldFile.dir.FullPath(), oldFile.Name, dir.FullPath(), req.NewName)
-
- oldEntry, err := oldFile.maybeLoadEntry(ctx)
- if err != nil {
- return nil, err
- }
-
- if oldEntry == nil {
- return nil, fuse.EIO
- }
-
- // update old file to hardlink mode
- if len(oldEntry.HardLinkId) == 0 {
- oldEntry.HardLinkId = append(util.RandomBytes(16), HARD_LINK_MARKER)
- oldEntry.HardLinkCounter = 1
- }
- oldEntry.HardLinkCounter++
- updateOldEntryRequest := &filer_pb.UpdateEntryRequest{
- Directory: oldFile.dir.FullPath(),
- Entry: oldEntry,
- Signatures: []int32{dir.wfs.signature},
- }
-
- // CreateLink 1.2 : update new file to hardlink mode
- oldEntry.Attributes.Mtime = time.Now().Unix()
- request := &filer_pb.CreateEntryRequest{
- Directory: dir.FullPath(),
- Entry: &filer_pb.Entry{
- Name: req.NewName,
- IsDirectory: false,
- Attributes: oldEntry.Attributes,
- Chunks: oldEntry.Chunks,
- Extended: oldEntry.Extended,
- HardLinkId: oldEntry.HardLinkId,
- HardLinkCounter: oldEntry.HardLinkCounter,
- },
- Signatures: []int32{dir.wfs.signature},
- }
-
- // apply changes to the filer, and also apply to local metaCache
- err = dir.wfs.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
-
- dir.wfs.mapPbIdFromLocalToFiler(request.Entry)
- defer dir.wfs.mapPbIdFromFilerToLocal(request.Entry)
-
- if err := filer_pb.UpdateEntry(client, updateOldEntryRequest); err != nil {
- glog.V(0).Infof("Link %v/%v -> %s/%s: %v", oldFile.dir.FullPath(), oldFile.Name, dir.FullPath(), req.NewName, err)
- return fuse.EIO
- }
- dir.wfs.metaCache.UpdateEntry(context.Background(), filer.FromPbEntry(updateOldEntryRequest.Directory, updateOldEntryRequest.Entry))
-
- if err := filer_pb.CreateEntry(client, request); err != nil {
- glog.V(0).Infof("Link %v/%v -> %s/%s: %v", oldFile.dir.FullPath(), oldFile.Name, dir.FullPath(), req.NewName, err)
- return fuse.EIO
- }
- dir.wfs.metaCache.InsertEntry(context.Background(), filer.FromPbEntry(request.Directory, request.Entry))
-
- return nil
- })
-
- if err != nil {
- return nil, fuse.EIO
- }
-
- // create new file node
- newNode := dir.newFile(req.NewName, 0)
- newFile := newNode.(*File)
-
- return newFile, err
-
-}
-
-func (dir *Dir) Symlink(ctx context.Context, req *fuse.SymlinkRequest) (fs.Node, error) {
-
- if err := checkName(req.NewName); err != nil {
- return nil, err
- }
-
- glog.V(4).Infof("Symlink: %v/%v to %v", dir.FullPath(), req.NewName, req.Target)
-
- request := &filer_pb.CreateEntryRequest{
- Directory: dir.FullPath(),
- Entry: &filer_pb.Entry{
- Name: req.NewName,
- IsDirectory: false,
- Attributes: &filer_pb.FuseAttributes{
- Mtime: time.Now().Unix(),
- Crtime: time.Now().Unix(),
- FileMode: uint32((os.FileMode(0777) | os.ModeSymlink) &^ dir.wfs.option.Umask),
- Uid: req.Uid,
- Gid: req.Gid,
- SymlinkTarget: req.Target,
- },
- },
- Signatures: []int32{dir.wfs.signature},
- }
-
- err := dir.wfs.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
-
- dir.wfs.mapPbIdFromLocalToFiler(request.Entry)
- defer dir.wfs.mapPbIdFromFilerToLocal(request.Entry)
-
- if err := filer_pb.CreateEntry(client, request); err != nil {
- glog.V(0).Infof("symlink %s/%s: %v", dir.FullPath(), req.NewName, err)
- return fuse.EIO
- }
-
- dir.wfs.metaCache.InsertEntry(context.Background(), filer.FromPbEntry(request.Directory, request.Entry))
-
- return nil
- })
-
- symlink := dir.newFile(req.NewName, os.ModeSymlink)
-
- return symlink, err
-
-}
-
-func (file *File) Readlink(ctx context.Context, req *fuse.ReadlinkRequest) (string, error) {
-
- entry, err := file.maybeLoadEntry(ctx)
- if err != nil {
- return "", err
- }
-
- if os.FileMode(entry.Attributes.FileMode)&os.ModeSymlink == 0 {
- return "", fuse.Errno(syscall.EINVAL)
- }
-
- glog.V(4).Infof("Readlink: %v/%v => %v", file.dir.FullPath(), file.Name, entry.Attributes.SymlinkTarget)
-
- return entry.Attributes.SymlinkTarget, nil
-
-}