linux-kernel - Re: [PATCH v2] ext4: Enable code path when DX

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Date:   Mon, 1 Feb 2021 13:15:29 -0300
From:   Vinicius Tinti <viniciustinti@...il.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Andreas Dilger <adilger.kernel@...ger.ca>,
        Nathan Chancellor <natechancellor@...il.com>,
        "Theodore Ts'o" <tytso@....edu>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
        clang-built-linux@...glegroups.com
Subject: Re: [PATCH v2] ext4: Enable code path when DX_DEBUG is set

On Mon, Feb 1, 2021 at 9:49 AM Christoph Hellwig <hch@...radead.org> wrote:
>
> DX_DEBUG is completely dead code, so either kill it off or make it an
> actual CONFIG_* symbol through Kconfig if it seems useful.

About the unreachable code in "if (0)" I think it could be removed.
It seems to be doing an extra check.

About the DX_DEBUG I think I can do another patch adding it to Kconfig
as you and Nathan suggested.

What do you think?