On 5/21/18 1:57 PM, Jeff Moyer wrote: > Hi, Adam, > > adam.manzanares@xxxxxxx writes: > >> 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 inititalizes 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 >> >> Note: this work is based on top of linux-vfs/for-next > > I'll cook up a libaio test case. Can you put together a man-pages > update for this? Hello Jeff, I'll send out a man-pages update soon. Thanks, Adam > > Thanks! > Jeff >