Re: [PATCH v2][next] bcachefs: Avoid -Wflex-array-member-not-at-end warnings

From: Kent Overstreet
Date: Wed Apr 30 2025 - 15:36:25 EST


On Wed, Apr 30, 2025 at 01:22:01PM -0600, Gustavo A. R. Silva wrote:
> -Wflex-array-member-not-at-end was introduced in GCC-14, and we are
> getting ready to enable it, globally.
>
> Refactor a couple of structs that contain flexible arrays in the
> middle by replacing them with unions.
>
> So, with these changes, fix the following warnings:
>
> fs/bcachefs/disk_accounting.c:429:51: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
> fs/bcachefs/ec_types.h:8:41: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]

Applied. Presumably you only need this in 6.16?