linux-kernel - Re: [Cluster-devel] [PATCH -next] fs: dlm: Fix build error without DEBUG_LOCK

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Date:   Wed, 23 Nov 2022 08:39:55 -0500
From:   Alexander Aring <aahringo@...hat.com>
To:     Zheng Yongjun <zhengyongjun3@...wei.com>
Cc:     cluster-devel@...hat.com, linux-kernel@...r.kernel.org,
        zhengbin13@...wei.com
Subject: Re: [Cluster-devel] [PATCH -next] fs: dlm: Fix build error without DEBUG_LOCK_ALLOC

Hi,

On Wed, Nov 23, 2022 at 8:37 AM Zheng Yongjun <zhengyongjun3@...wei.com> wrote:
>
> If CONFIG_DLM is y, DEBUG_LOCK_ALLOC is n, building fails:
>
> fs/dlm/lowcomms.o: In function `lowcomms_queue_rwork':
> lowcomms.c:(.text+0x2ac): undefined reference to `lockdep_is_held'
> lowcomms.c:(.text+0x308): undefined reference to `lockdep_is_held'
> fs/dlm/lowcomms.o: In function `lowcomms_queue_swork':
> lowcomms.c:(.text+0x3e0): undefined reference to `lockdep_is_held'
> fs/dlm/lowcomms.o: In function `restore_callbacks':
> lowcomms.c:(.text+0xd8c): undefined reference to `lockdep_is_held'
> lowcomms.c:(.text+0xdcc): undefined reference to `lockdep_is_held'
>
> Make DLM select DEBUG_LOCK_ALLOC to fix this.
>

Thanks, there is a different approach already in dlm/next and I think
we don't want to have dlm selecting a debug option.

- Alex