From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f196.google.com ([209.85.223.196]:34679 "EHLO mail-io0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751623AbeEVRzH (ORCPT ); Tue, 22 May 2018 13:55:07 -0400 Received: by mail-io0-f196.google.com with SMTP id p124-v6so19528668iod.1 for ; Tue, 22 May 2018 10:55:07 -0700 (PDT) Subject: Re: [PATCH v7 0/5] AIO add per-command iopriority To: adam.manzanares@wdc.com, viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org, bcrl@kvack.org Cc: mingo@kernel.org, tglx@linutronix.de, kstewart@linuxfoundation.org, peterz@infradead.org, pombredanne@nexb.com, gregkh@linuxfoundation.org, bigeasy@linutronix.de, rgoldwyn@suse.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-aio@kvack.org, linux-api@vger.kernel.org, hch@infradread.org, jmoyer@redhat.com References: <20180522175221.2391-1-adam.manzanares@wdc.com> From: Jens Axboe Message-ID: Date: Tue, 22 May 2018 11:55:04 -0600 MIME-Version: 1.0 In-Reply-To: <20180522175221.2391-1-adam.manzanares@wdc.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On 5/22/18 11:52 AM, adam.manzanares@wdc.com wrote: > From: Adam Manzanares > > 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 Al, are you picking this series up, or should I? -- Jens Axboe