On Mon, May 15, 2017 at 5:41 PM, <ziegler@xxxxxxxxxxxxxxx> wrote: > > How to reproduce: Make sure that the kernel is compiled with > CONFIG_TMPFS_XATTR not set. (Otherwise, as Miklos suggested, the bug > does not occur) > > Start with a directory "lower" (btrfs in my case) containing an empty > file "x", and three empty directories "upper", "workdir", "over" on > "/tmp" (tmpfs). Then mount the overlayfs > > sudo mount -t overlay -o \ > lowerdir=lower,upperdir=/tmp/upper,workdir=/tmp/workdir overlay \ > /tmp/over > > Then the commands > > sudo touch /tmp/over/x > sudo mv /tmp/over/x /tmp/over/z > > fail: > touch: cannot touch '/tmp/over/x': Operation not supported > mv: cannot move '/tmp/over/x' to '/tmp/over/z': Operation not > supported Thanks for the report. Fix pushed to overlayfs-next branch of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git Miklos -- To unsubscribe from this list: send the line "unsubscribe linux-unionfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html