linux-ext4 - Re: [PATCH] ext4: remove obsolete EXT3 config options

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Message-ID: <175892300642.128029.13958443987269217396.b4-ty@mit.edu>
Date: Fri, 26 Sep 2025 17:47:40 -0400
From: "Theodore Ts'o" <tytso@....edu>
To: Andreas Dilger <adilger.kernel@...ger.ca>, linux-ext4@...r.kernel.org,
        Lukas Bulwahn <lbulwahn@...hat.com>
Cc: "Theodore Ts'o" <tytso@....edu>, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org, Lukas Bulwahn <lukas.bulwahn@...hat.com>
Subject: Re: [PATCH] ext4: remove obsolete EXT3 config options


On Wed, 27 Aug 2025 11:08:08 +0200, Lukas Bulwahn wrote:
> In June 2015, commit c290ea01abb7 ("fs: Remove ext3 filesystem driver")
> removed the historic ext3 filesystem support as ext3 partitions are fully
> supported with the ext4 filesystem support. To simplify updating the kernel
> build configuration, which had only EXT3 support but not EXT4 support
> enabled, the three config options EXT3_{FS,FS_POSIX_ACL,FS_SECURITY} were
> kept, instead of immediately removing them. The three options just enable
> the corresponding EXT4 counterparts when configs from older kernel versions
> are used to build on later kernel versions. This ensures that the kernels
> from those kernel build configurations would then continue to have EXT4
> enabled for supporting booting from ext3 and ext4 file systems, to avoid
> potential unexpected surprises.
> 
> [...]

Applied, thanks!

[1/1] ext4: remove obsolete EXT3 config options
      commit: d6ace46c82fd2d3bdb58c35e3dd5cb9e83e136bf

Best regards,
-- 
Theodore Ts'o <tytso@....edu>