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From: Greg KH <greg@kroah.com>
To: stable@vger.kernel.org, Sasha Levin <sashal@kernel.org>,
	stable-commits@vger.kernel.org, xiang@kernel.org,
	Chao Yu <chao@kernel.org>, Yue Hu <zbestahu@gmail.com>,
	Jeffle Xu <jefflexu@linux.alibaba.com>,
	Sandeep Dhavale <dhavale@google.com>,
	Hongbo Li <hongbohbli@tencent.com>,
	Chunhai Guo <guochunhai@vivo.com>,
	Jonathan Corbet <corbet@lwn.net>,
	Shuah Khan <skhan@linuxfoundation.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	linux-erofs@lists.ozlabs.org
Subject: Re: Patch "erofs: remove fscache backend entirely" has been added to the 6.18-stable tree
Date: Tue, 13 Oct 2026 09:59:58 +0200	[thread overview]
Message-ID: <2026101352-subtract-deflector-a77b@gregkh> (raw)
In-Reply-To: <as3drCZLoTUPS_oC@XiangdeMacBook-Pro.local>

On Tue, Oct 13, 2026 at 09:28:44AM +0200, Gao Xiang wrote:
> Hi Sasha,
> 
> I'm not sure why we need to backport this into stable kernels, as there
> are users who use EROFS over fscache on these stable kernels.
> 
> The functionality works and it's a breaking change.  Could you please
> kindly tell why?

Why would you have a breaking change in Linus's tree?  We never break
existing users, so how was this ever accepted in mainline?

As this removal fixes known bugs, isn't that a good thing for those
older users as well?  Why would you want them to run broken systems?

thanks,

greg k-h

  reply	other threads:[~2026-10-13  8:00 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20261013020044.2527207-1-sashal@kernel.org>
2026-10-13  7:28 ` Patch "erofs: remove fscache backend entirely" has been added to the 6.18-stable tree Gao Xiang
2026-10-13  7:59   ` Greg KH [this message]
2026-10-13  8:16     ` Gao Xiang
2026-10-13 10:37       ` Greg KH
2026-10-13 11:30         ` Gao Xiang
2026-10-13 11:10   ` Michael Bommarito
2026-10-13 11:22     ` Gao Xiang

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