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Date: Sun, 11 Jan 2026 14:57:22 +0100
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Thadeu Lima de Souza Cascardo <cascardo@igalia.com>
Cc: stable@vger.kernel.org, patches@lists.linux.dev,
	syzbot+340581ba9dceb7e06fb3@syzkaller.appspotmail.com,
	Lizhi Xu <lizhi.xu@windriver.com>, Theodore Tso <tytso@mit.edu>
Subject: Re: [PATCH 6.6 731/737] ext4: filesystems without casefold feature
 cannot be mounted with siphash
Message-ID: <2026011114-contact-vocalize-37b2@gregkh>
References: <20260109112133.973195406@linuxfoundation.org>
 <20260109112201.603806562@linuxfoundation.org>
 <aWEFUlM6PsTMMXxr@quatroqueijos.cascardo.eti.br>
 <2026010942-overdue-repayment-b202@gregkh>
 <aWN74hQARUawYete@quatroqueijos.cascardo.eti.br>
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In-Reply-To: <aWN74hQARUawYete@quatroqueijos.cascardo.eti.br>

On Sun, Jan 11, 2026 at 07:30:58AM -0300, Thadeu Lima de Souza Cascardo wrote:
> On Fri, Jan 09, 2026 at 03:13:55PM +0100, Greg Kroah-Hartman wrote:
> > On Fri, Jan 09, 2026 at 10:40:34AM -0300, Thadeu Lima de Souza Cascardo wrote:
> > > Hi, Greg.
> > > 
> > > The followup to 985b67cd86392310d9e9326de941c22fc9340eec, that I submitted
> > > in the same thread, has not been picked up.
> > > 
> > > 20260108150350.3354622-2-cascardo@igalia.com
> > > https://lore.kernel.org/stable/20260108150350.3354622-2-cascardo@igalia.com/
> > > a2187431c395 ("ext4: fix error message when rejecting the default hash")
> > > 
> > > You picked it up for 6.1 and 5.15 though.
> > 
> > It's in the queue, odd you didn't get an email.
> > 
> > thanks,
> > 
> > greg k-h
> 
> Ah, I see it now, when looking for the upstream hash and not my sign-off.
> It was a different backport that ommitted the original fix and only applied
> the fixup/followup.
> 
> The original fix adds a hunk that is then removed by the followup. So when
> applying the followup that ignores that hunk and then the original fix with
> that hunk, 6.6 queue now is carrying an undesired hunk message.
> 
> If you drop a032fc761cc3f1112c42732d9a2482f23acad5fc and apply
> https://lore.kernel.org/stable/20260108150350.3354622-2-cascardo@igalia.com/
> instead, it should be in the expected final state. I would rather do that,
> as then 6.6.y would be carrying the original fix, avoiding it to be
> backported again.

Ok, thanks, now done!

greg k-h