linux-kernel - Re: [PATCH v2 4.19 0/4] ext4: improve delalloc buffer write performance

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Message-ID: <206F8E88DD4C4DD9+5197bc65-d440-4ad5-8b19-e1f83f4a1c7a@uniontech.com>
Date: Wed, 24 Jul 2024 12:55:52 +0800
From: WangYuli <wangyuli@...ontech.com>
To: Greg KH <gregkh@...uxfoundation.org>
Cc: stable@...r.kernel.org, sashal@...nel.org, yi.zhang@...wei.com,
 jack@...e.cz, tytso@....edu, adilger.kernel@...ger.ca,
 linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
 yukuai3@...wei.com, niecheng1@...ontech.com, zhangdandan@...ontech.com,
 guanwentao@...ontech.com, chenyichong@...ontech.com, wentao@...ontech.com
Subject: Re: [PATCH v2 4.19 0/4] ext4: improve delalloc buffer write
 performance

Hi greg k-h,

As a commercial Linux distribution maintainer, we understand that

even though upstream support for linux-4.19.y is ending, our users'

reliance on this kernel version will not cease immediately.


They often lack the time or resources to promptly migrate all their

devices to a newer kernel, due to considerations such as stability,

operational costs, and other factors.


Therefore, to provide a more graceful conclusion to the linux-4.19.y

lifecycle, we propose backporting these performance optimizations

to extend its useful life  and ensure a smooth transition for commercial

users by the way.


Of course, we appreciate your suggestion and will prioritize backporting

these optimizations to linux-5.10.y and linux 5.4.y first.


Stay tuned for updates. We are committed to staying informed about kernel

updates and community trends. Thanks.


Sincerely,


--

WangYuli