On Tue, Aug 09, 2016 at 07:16:21PM +0800, Eryu Guan wrote: > When copying up a directory with opaque xattr set, the xattr was > copied up as well, after a remount the opaque flag is honored so the > copied-up directory is treated as opaque, which causes files created > in the lowerdir to be hidden when using multiple lower directories. > > This is fixed by "ovl: don't copy up opaqueness". .... > +_scratch_mkfs > + > +# Create multiple lowerdirs and upperdir, workdir, and testdir on lowerdir > +lowerdir1=$SCRATCH_DEV/lower1 > +lowerdir2=$SCRATCH_DEV/lower2 > +upperdir=$SCRATCH_DEV/upper > +workdir=$SCRATCH_DEV/workdir > +mkdir -p $lowerdir1 $lowerdir2 $upperdir $workdir > +mkdir -p $lowerdir1/testdir/d > + > +# mount overlay with $lowerdir2 as upperdir, and remove & recreate testdir, > +# make testdir on $lowerdir2 opaque > +_overlay_mount_dirs $lowerdir1 $lowerdir2 $workdir none $SCRATCH_MNT What is the "none" here? If _overlay_mount_dirs() doesn't require this parameter to have a specifically valid value, then why are we passing it in at all? Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- 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