diff options
Diffstat (limited to 'weed/filesys/dir_link.go')
| -rw-r--r-- | weed/filesys/dir_link.go | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/weed/filesys/dir_link.go b/weed/filesys/dir_link.go index ba3280f03..6266e492d 100644 --- a/weed/filesys/dir_link.go +++ b/weed/filesys/dir_link.go @@ -24,6 +24,10 @@ const ( func (dir *Dir) Link(ctx context.Context, req *fuse.LinkRequest, old fs.Node) (fs.Node, error) { + if dir.wfs.option.ReadOnly { + return nil, fuse.EPERM + } + oldFile, ok := old.(*File) if !ok { glog.Errorf("old node is not a file: %+v", old) @@ -35,15 +39,20 @@ func (dir *Dir) Link(ctx context.Context, req *fuse.LinkRequest, old fs.Node) (f return nil, err } + oldEntry := oldFile.getEntry() + if oldEntry == nil { + return nil, fuse.EIO + } + // update old file to hardlink mode - if len(oldFile.entry.HardLinkId) == 0 { - oldFile.entry.HardLinkId = append(util.RandomBytes(16), HARD_LINK_MARKER) - oldFile.entry.HardLinkCounter = 1 + if len(oldEntry.HardLinkId) == 0 { + oldEntry.HardLinkId = append(util.RandomBytes(16), HARD_LINK_MARKER) + oldEntry.HardLinkCounter = 1 } - oldFile.entry.HardLinkCounter++ + oldEntry.HardLinkCounter++ updateOldEntryRequest := &filer_pb.UpdateEntryRequest{ Directory: oldFile.dir.FullPath(), - Entry: oldFile.entry, + Entry: oldEntry, Signatures: []int32{dir.wfs.signature}, } @@ -53,11 +62,11 @@ func (dir *Dir) Link(ctx context.Context, req *fuse.LinkRequest, old fs.Node) (f Entry: &filer_pb.Entry{ Name: req.NewName, IsDirectory: false, - Attributes: oldFile.entry.Attributes, - Chunks: oldFile.entry.Chunks, - Extended: oldFile.entry.Extended, - HardLinkId: oldFile.entry.HardLinkId, - HardLinkCounter: oldFile.entry.HardLinkCounter, + Attributes: oldEntry.Attributes, + Chunks: oldEntry.Chunks, + Extended: oldEntry.Extended, + HardLinkId: oldEntry.HardLinkId, + HardLinkCounter: oldEntry.HardLinkCounter, }, Signatures: []int32{dir.wfs.signature}, } @@ -83,6 +92,10 @@ func (dir *Dir) Link(ctx context.Context, req *fuse.LinkRequest, old fs.Node) (f return nil }) + if err != nil { + return nil, fuse.EIO + } + // create new file node newNode := dir.newFile(req.NewName, request.Entry) newFile := newNode.(*File) @@ -96,6 +109,10 @@ func (dir *Dir) Link(ctx context.Context, req *fuse.LinkRequest, old fs.Node) (f func (dir *Dir) Symlink(ctx context.Context, req *fuse.SymlinkRequest) (fs.Node, error) { + if dir.wfs.option.ReadOnly { + return nil, fuse.EPERM + } + glog.V(4).Infof("Symlink: %v/%v to %v", dir.FullPath(), req.NewName, req.Target) request := &filer_pb.CreateEntryRequest{ |