Re: [PATCH] [v2] ext4: fix ext4_tune_sb_params padding

From: Theodore Tso
Date: Wed Jan 07 2026 - 23:16:30 EST


On Mon, Dec 08, 2025 at 10:03:10AM -0800, Darrick J. Wong wrote:
>
> Hmm... given that the ondisk super field is a __u8[64], it feels weird
> to expose a __u8[68] field in the ioctl ABI and silently truncate the
> user's input if they try to use that many bytes. I'd have enlarged the
> padding field but as Ted was both author and maintainer I'm ok with
> letting him have the final say.

Thanks, I've elected to the the original v1 version of the patch.

- Ted