linux-kernel - Re: [PATCH][next] btrfs: Avoid -Wflex-array-member-not-at-end warning

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Message-ID: <20251003151509.GK4052@suse.cz>
Date: Fri, 3 Oct 2025 17:15:09 +0200
From: David Sterba <dsterba@...e.cz>
To: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc: "Gustavo A. R. Silva" <gustavoars@...nel.org>, Chris Mason <clm@...com>,
	David Sterba <dsterba@...e.com>, linux-btrfs@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH][next] btrfs: Avoid -Wflex-array-member-not-at-end warning

On Fri, Oct 03, 2025 at 03:51:24PM +0100, Gustavo A. R. Silva wrote:
> >>
> >> diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
> >> index 9230e5066fc6..2b7cf49a35bb 100644
> >> --- a/fs/btrfs/send.c
> >> +++ b/fs/btrfs/send.c
> >> @@ -178,7 +178,6 @@ struct send_ctx {
> >>   	u64 cur_inode_rdev;
> >>   	u64 cur_inode_last_extent;
> >>   	u64 cur_inode_next_write_offset;
> >> -	struct fs_path cur_inode_path;
> >>   	bool cur_inode_new;
> >>   	bool cur_inode_new_gen;
> >>   	bool cur_inode_deleted;
> >> @@ -305,6 +304,9 @@ struct send_ctx {
> >>   
> >>   	struct btrfs_lru_cache dir_created_cache;
> >>   	struct btrfs_lru_cache dir_utimes_cache;
> >> +
> >> +	/* Must be last --ends in a flexible-array member. */
> >                          ^^
> > 
> > Is this an en dash?
> 
> Not sure what you mean.

En dash is a punctuation mark not typically used in comments, nowadays
found in AI generated code/text. I was just curious.