linux-ext4 - Re: [PATCH 5.4 000/313] 5.4.251-rc1 review

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Date:   Tue, 25 Jul 2023 20:48:03 +0530
From:   Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-ext4 <linux-ext4@...r.kernel.org>,
        clang-built-linux <llvm@...ts.linux.dev>
Cc:     stable@...r.kernel.org, patches@...ts.linux.dev,
        linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
        patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de,
        jonathanh@...dia.com, f.fainelli@...il.com,
        sudipm.mukherjee@...il.com, srw@...dewatkins.net, rwarsow@....de,
        conor@...nel.org, Theodore Ts'o <tytso@....edu>,
        Chao Yu <chao@...nel.org>,
        Darren Kenny <darren.kenny@...cle.com>,
        Vegard Nossum <vegard.nossum@...cle.com>
Subject: Re: [PATCH 5.4 000/313] 5.4.251-rc1 review

Hi Greg,

On 25/07/23 8:16 pm, Naresh Kamboju wrote:
> On Tue, 25 Jul 2023 at 17:06, Greg Kroah-Hartman
> <gregkh@...uxfoundation.org> wrote:
>>
>> This is the start of the stable review cycle for the 5.4.251 release.
>> There are 313 patches in this series, all will be posted as a response
>> to this one.  If anyone has any issues with these being applied, please
>> let me know.
>>
>> Responses should be made by Thu, 27 Jul 2023 10:44:26 +0000.
>> Anything received after that time might be too late.
>>
>> The whole patch series can be found in one patch at:
>>          https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.4.251-rc1.gz
>> or in the git tree and branch at:
>>          git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y
>> and the diffstat can be found below.
>>
>> thanks,
>>
>> greg k-h
> 
> Following commit caused build failures on stable-rc 5.4 and 5.10.
> 
> ext4: fix to check return value of freeze_bdev() in ext4_shutdown()
> commit c4d13222afd8a64bf11bc7ec68645496ee8b54b9 upstream.
> 
> fs/ext4/ioctl.c:595:7: error: incompatible pointer to integer
> conversion assigning to 'int' from 'struct super_block *'
> [-Wint-conversion]
>                  ret = freeze_bdev(sb->s_bdev);
>                      ^ ~~~~~~~~~~~~~~~~~~~~~~~
> 1 error generated.
> 

I have seen this error too in 5.4.y build.

Just more information about this.

In 5.4.y:
struct super_block *freeze_bdev(struct block_device *bdev)
{
	...
}

In 5.15.y
int freeze_bdev(struct block_device *bdev)
{
	...
}

This changed in this commit which is in 5.11-rc1,(not in 5.4.y and 5.10.y)
Commit info:
   commit-id              : 040f04bd2e825f1d80b14a0e0ac3d830339eb779
   subject          : fs: simplify freeze_bdev/thaw_bdev


Thanks,
Harshit


> Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
> 
> --
> Linaro LKFT
> https://lkft.linaro.org