lkml.org 
[lkml]   [2018]   [May]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH v5 0/5] AIO add per-command iopriority
Date
Hi, Adam,

adam.manzanares@wdc.com writes:

> From: Adam Manzanares <adam.manzanares@wdc.com>
>
> 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?

Thanks!
Jeff

\
 
 \ /
  Last update: 2018-05-21 22:58    [W:0.106 / U:9.852 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site