On Thu, Nov 11 2021 at 3:13P -0500, Chaitanya Kulkarni <chaitanyak@xxxxxxxxxx> wrote: > On 11/3/2021 11:46 PM, Chaitanya Kulkarni wrote: > > From: Chaitanya Kulkarni <kch@xxxxxxxxxx> > > > > Signed-off-by: Chaitanya Kulkarni <kch@xxxxxxxxxx> > > I want to make sure the new REQ_OP_VERIFY is compatible with the > dm side as it is a generic interface. > > Any comments on the dm side ? It will help me to respin the series for > V1 of this proposal. I can review, but have you tested your XFS scrub usecase ontop of the various DM devices you modified? Also, you seem to have missed Keith's suggestion of using io_uring to expose this capability. If you happen to go that route: making sure DM has required io_uring capabilities would be needed (IIRC there were/are some lingering patches from Ming Lei to facilitate more efficient io_uring on DM.. I'll try to find, could be I'm wrong). Mike