On Fri, Jan 17, 2020 at 1:49 PM Murphy Zhou <jencce.kernel@xxxxxxxxx> wrote: > > Now overlayfs falls back to use default file splice read > and write, which is not compatiple with overlayfs, returning > EFAULT. xfstests generic/591 can reproduce part of this. > > Tested this patch with xfstests auto group tests. Thanks, applied. Miklos