On 09/12/2020 10:34, Christoph Hellwig wrote: > Btw, another thing I noticed: > > when using io_uring to submit a write to btrfs that ends up using Zone > Append we'll hit the > > if (WARN_ON_ONCE(is_bvec)) > return -EINVAL; > > case in bio_iov_iter_get_pages with the changes in this series. Yes this warning is totally bogus. It was in there from the beginning of the zone-append series and I have no idea why I didn't kill it. IIRC Chaitanya had a patch in his nvmet zoned series removing it.
