linux-kernel - Re: [PATCH v3 21/24] ext4: make data=journal support large block size

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Message-ID: <e588e7d9-54bb-4fa2-ab31-1381dc5a3987@huawei.com>
Date: Fri, 21 Nov 2025 09:59:18 +0800
From: Baokun Li <libaokun1@...wei.com>
To: Theodore Tso <tytso@....edu>
CC: Dan Carpenter <dan.carpenter@...aro.org>, <oe-kbuild@...ts.linux.dev>,
	<libaokun@...weicloud.com>, <linux-ext4@...r.kernel.org>, <lkp@...el.com>,
	<oe-kbuild-all@...ts.linux.dev>, <adilger.kernel@...ger.ca>, <jack@...e.cz>,
	<linux-kernel@...r.kernel.org>, <kernel@...kajraghav.com>,
	<mcgrof@...nel.org>, <ebiggers@...nel.org>, <willy@...radead.org>,
	<yi.zhang@...wei.com>, <yangerkun@...wei.com>, <chengzhihao1@...wei.com>,
	Baokun Li <libaokun1@...wei.com>
Subject: Re: [PATCH v3 21/24] ext4: make data=journal support large block size

On 2025-11-20 23:41, Theodore Tso wrote:
> On Thu, Nov 20, 2025 at 09:21:23AM +0800, Baokun Li wrote:
>> Oops! You nailed it. My bad, I totally forgot that unlock here, which
>> definitely left the lock unbalanced. I'll get that fixed up in v3.
> I think you meant v4 (since the current patch series are v3 :-). 

Haha, yes, , I messed up the version number. 😅

>  When
> do you think you might be able to get the next version of this patch
> series ready?  I think we're almost ready to land this feature!
>
>        	       	       	     	    	     - Ted
>
Yep, the current tests look clean! Good news on the dependencies too:
[1] and [2] are already merged to next.

[1]:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ee040cbd6e48
[2]:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=50b2a4f19b22

I'll be sending out v4 today to fix the issue Dan mentioned, and then
I think this feature is ready to land! 

[P.S.: I noticed Christoph Hellwig and Eric Biggers are cleaning up the
 fscrypt API. That might clear the way for us to ditch the "no fscrypt
 support for ext4 LBS" restriction later on. I'm also looking into
 speeding up large block checksums. But I think these extra features and
 improvements can evolve independently from the work we’re doing now.]


Cheers,
Baokun