linux-kernel - Re: [External] Re: [RFC PATCH] blk-throtl: Introduce sync queue for write ios

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Message-ID: <2bd8080a-6b57-124d-c3e0-6d5baf4c2ce8@bytedance.com>
Date:   Fri, 16 Dec 2022 09:36:07 +0800
From:   hanjinke <hanjinke.666@...edance.com>
To:     Tejun Heo <tj@...nel.org>
Cc:     josef@...icpanda.com, axboe@...nel.dk, cgroups@...r.kernel.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [External] Re: [RFC PATCH] blk-throtl: Introduce sync queue for
 write ios



在 2022/12/16 上午12:46, Tejun Heo 写道:
> Hello,
> 
> On Wed, Dec 14, 2022 at 12:02:53PM +0800, hanjinke wrote:
>> Should we keep the main category of io based READ and WRITE, and within READ
>> / WRITE the subcategory were SYNC and ASYNC ? This may give less intrusion
>> into existing frameworks.
> 
> Ah, you haven't posted yet. So, yeah, let's do this. The code was a bit odd
> looking after adding the sync queue on the side. For reads, we can just
> consider everything synchrnous (or maybe treat SYNC the same way, I don't
> know whether reads actually use SYNC flags tho).
> 
> Thanks.
> 

okay, the patch v1 will be sent based on your suggestion.

Thanks.