diff --git a/backend/b2/b2.go b/backend/b2/b2.go index c15b02d93..307a45ea8 100644 --- a/backend/b2/b2.go +++ b/backend/b2/b2.go @@ -403,6 +403,10 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e if err != nil { return nil, err } + if opt.UploadCutoff < opt.ChunkSize { + opt.UploadCutoff = opt.ChunkSize + fs.Infof(nil, "b2: raising upload cutoff to chunk size: %v", opt.UploadCutoff) + } err = checkUploadCutoff(opt, opt.UploadCutoff) if err != nil { return nil, errors.Wrap(err, "b2: upload cutoff")