On Wed, Jun 17, 2020 at 10:53:36PM +0530, Kanchan Joshi wrote: > This patchset enables issuing zone-append using aio and io-uring direct-io interface. > > For aio, this introduces opcode IOCB_CMD_ZONE_APPEND. Application uses start LBA > of the zone to issue append. On completion 'res2' field is used to return > zone-relative offset. Maybe it's obvious to everyone working with zoned drives on a daily basis, but please explain in the commit message why you need to return the zone-relative offset to the application.