linux-kernel - Re: Regarding patch "block/blk-mq: Don't complete locally if capacities are different"

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Message-ID: <1a95a60c-730a-4bb7-80c9-98b8a70f6521@acm.org>
Date: Thu, 22 Aug 2024 07:24:52 -0700
From: Bart Van Assche <bvanassche@....org>
To: MANISH PANDEY <quic_mapa@...cinc.com>,
 Sandeep Dhavale <dhavale@...gle.com>,
 Dietmar Eggemann <dietmar.eggemann@....com>
Cc: Qais Yousef <qyousef@...alina.io>,
 Christian Loehle <christian.loehle@....com>, axboe@...nel.dk,
 mingo@...nel.org, peterz@...radead.org, vincent.guittot@...aro.org,
 linux-block@...r.kernel.org, sudeep.holla@....com,
 Jaegeuk Kim <jaegeuk@...nel.org>, Christoph Hellwig <hch@...radead.org>,
 kailash@...gle.com, tkjos@...gle.com, bvanassche@...gle.com,
 quic_nitirawa@...cinc.com, quic_cang@...cinc.com, quic_rampraka@...cinc.com,
 quic_narepall@...cinc.com,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Regarding patch "block/blk-mq: Don't complete locally if
 capacities are different"

On 8/22/24 3:46 AM, MANISH PANDEY wrote:
> On 8/21/2024 10:52 PM, Bart Van Assche wrote:
> > What is the performance impact of the above change?
 >
> No impact at all
Is this a good summary of this email thread?
* The first email in this thread reports an important performance
   regression.
* In your previous email there is a candidate fix for the performance
   regression.
* Above I read that the proposed fix has no performance impact at all
   on any setup.

Is this a good summary of this email thread? If so, do you agree that
this must be confusing everyone who is following this email thread?

Thanks,

Bart.