seaweedfs/weed/filesys/dir_rename.go
Chris Lu 42a338d7b0 FUSE mount: clean up file handles during renaming
resolve dir rename when file is still open. Need to clean the file handles as soon as possible.

These can happen out of order:
file rename, then file release
file release, then file rename
2020-06-28 13:41:00 -07:00

51 lines
1.2 KiB
Go

package filesys
import (
"context"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/seaweedfs/fuse"
"github.com/seaweedfs/fuse/fs"
)
func (dir *Dir) Rename(ctx context.Context, req *fuse.RenameRequest, newDirectory fs.Node) error {
newDir := newDirectory.(*Dir)
newPath := util.NewFullPath(newDir.FullPath(), req.NewName)
oldPath := util.NewFullPath(dir.FullPath(), req.OldName)
glog.V(4).Infof("dir Rename %s => %s", oldPath, newPath)
err := dir.wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.AtomicRenameEntryRequest{
OldDirectory: dir.FullPath(),
OldName: req.OldName,
NewDirectory: newDir.FullPath(),
NewName: req.NewName,
}
_, err := client.AtomicRenameEntry(context.Background(), request)
if err != nil {
glog.V(0).Infof("dir Rename %s => %s : %v", oldPath, newPath, err)
return fuse.EIO
}
return nil
})
if err == nil {
// fmt.Printf("rename path: %v => %v\n", oldPath, newPath)
dir.wfs.fsNodeCache.Move(oldPath, newPath)
delete(dir.wfs.handles, oldPath.AsInode())
}
return err
}