On Tue, May 22, 2018 at 11:55:04AM -0600, Jens Axboe wrote: > On 5/22/18 11:52 AM, adam.manzanares@xxxxxxx wrote: > > From: Adam Manzanares <adam.manzanares@xxxxxxx> > > > > This is the per-I/O equivalent of the ioprio_set system call. > > See the following link for performance implications on a SATA HDD: > > https://lkml.org/lkml/2016/12/6/495 > > > > First patch factors ioprio_check_cap function out of ioprio_set system call to > > also be used by the aio ioprio interface. > > > > Second patch converts kiocb ki_hint field to a u16 to avoid kiocb bloat. > > > > Third patch passes ioprio hint from aio iocb to kiocb and initializes kiocb > > ioprio value appropriately when it is not explicitly set. > > > > Fourth patch enables the feature for blkdev. > > > > Fifth patch enables the feature for iomap direct IO > > LGTM, you can add: > > Reviewed-by: Jens Axboe <axboe@xxxxxxxxx> > > Al, are you picking this series up, or should I? Probably better if I do, once I finish reviewing Christoph's patchset - we already have a bunch of stuff around fs/aio.c in this cycle...