On Wed, Sep 25, 2019 at 6:27 AM Zhihao Cheng <chengzhihao1@xxxxxxxxxx> wrote: > > There are indeed many '-b' options in xfstests. I only confirmed the line of overlay test. Other -b test options I need to reconfirm later. > FWIW, I eyeballed blockdev related overlayfs common code bits and all I found out of order was: @@ -3100,7 +3100,7 @@ _require_scratch_shutdown() # SCRATCH_DEV, in this case OVL_BASE_SCRATCH_DEV # will be null, so check OVL_BASE_SCRATCH_DEV before # running shutdown to avoid shutting down base fs accidently. - _notrun "$SCRATCH_DEV is not a block device" + _notrun "this test requires a valid \$OVL_BASE_SCRATCH_DEV as ovl base fs" else src/godown -f $OVL_BASE_SCRATCH_MNT 2>&1 \ || _notrun "Underlying filesystem does not support shutdown" Zhihaho, That's all I meant in the nit. The v1 commit message was perfectly fine, there was no need to change it at all. Thanks, Amir.