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Date: Fri, 6 Oct 2023 13:32:47 -0400
From: Kent Overstreet <>
To: Christophe JAILLET <>
Cc: Brian Foster <>, Kees Cook <>,
	"Gustavo A. R. Silva" <>,
	Nathan Chancellor <>,
	Nick Desaulniers <>,
	Tom Rix <>,,,,,
Subject: Re: [PATCH] bcachefs: Use struct_size()

On Sun, Oct 01, 2023 at 09:13:54AM +0200, Christophe JAILLET wrote:
> Use struct_size() instead of hand writing it.
> This is less verbose and more robust.
> While at it, prepare for the coming implementation by GCC and Clang of the
> __counted_by attribute. Flexible array members annotated with __counted_by
> can have their accesses bounds-checked at run-time checking via
> CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for
> strcpy/memcpy-family functions).
> Signed-off-by: Christophe JAILLET <>

Thanks! Applied.

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