On 03/07/2020 08:56, Kanchan Joshi wrote: [...] > Yes, zonefs does not use bvec iter. But while enabling io-uring path for > zone-append, I hit into this condition returning -EINVAL. > > Reference (from user zone-append series cover letter): > "Append using io_uring fixed-buffer ---> > This is flagged as not-supported at the moment. Reason being, for fixed-buffer > io-uring sends iov_iter of bvec type. But current append-infra in block-layer > does not support such iov_iter." > > And zone-append doesn't have a problem in using bvec iter as well, so > thought that this may make infra more complete/future-proof?
As long as it's no problem for current in-tree users please keep it as is. Please submit this patch together with your io_uring series as a preparatory patch.
