linux-kernel - Re: Disk write deterioration in 5.x kernel

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Message-ID: <ZaodrO8QjCqSXPHe@archie.me>
Date: Fri, 19 Jan 2024 13:58:52 +0700
From: Bagas Sanjaya <bagasdotme@...il.com>
To: Gowtham <trgowtham123@...il.com>,
	Linux btrfs <linux-btrfs@...r.kernel.org>,
	Linux Regressions <regressions@...ts.linux.dev>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc: Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
	David Sterba <dsterba@...e.com>
Subject: Re: Disk write deterioration in 5.x kernel

[also Cc: btrfs maintainers]

On Fri, Jan 19, 2024 at 09:37:50AM +0530, Gowtham wrote:
> Hi
> 
> Is there anything I can collect to debug what is the problem in the new kernel?
> 

Please don't top-post, reply inline with appropriate context instead.

Since you have regression w.r.t. old LTS kernel (v5.4.y), can you check
current mainline (v6.7) to confirm or deny the regression? If the
regression still happens there, can you perform bisection (see
Documentation/admin-guide/bug-bisect.rst in the kernel sources for details)?

Also, it is also helpful to list SSD devices that you've tested.

Thanks.

-- 
An old man doll... just what I always wanted! - Clara

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