linux-kernel - Re: [linus:master] [nfs] 49b29a573d: filebench.sum

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Message-ID: <20240812112145.GA15197@lst.de>
Date: Mon, 12 Aug 2024 13:21:45 +0200
From: Christoph Hellwig <hch@....de>
To: kernel test robot <oliver.sang@...el.com>
Cc: Christoph Hellwig <hch@....de>, oe-lkp@...ts.linux.dev, lkp@...el.com,
	linux-kernel@...r.kernel.org,
	Anna Schumaker <Anna.Schumaker@...app.com>,
	Sagi Grimberg <sagi@...mberg.me>, linux-nfs@...r.kernel.org,
	ying.huang@...el.com, feng.tang@...el.com, fengwei.yin@...el.com
Subject: Re: [linus:master] [nfs]  49b29a573d:  filebench.sum_operations/s
 -85.6% regression

On Thu, Aug 08, 2024 at 03:35:20PM +0800, kernel test robot wrote:
> 
> 
> Hello,
> 
> kernel test robot noticed a -85.6% regression of filebench.sum_operations/s on:

I'm not sure what operations this measures.  But if it is what I think it
might be, does this regression go away with the following commit (which
already is in mainline)?

commit 39c910a430370fd25d5b5e4b2f4b24581a705499
Author: Christoph Hellwig <hch@....de>
Date:   Fri Jul 5 07:42:51 2024 +0200

    nfs: do not extend writes to the entire folio