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

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Message-ID: <10762d3f-361a-48b7-8e46-5e5b8a9887fb@embeddedor.com>
Date: Fri, 3 Oct 2025 16:21:17 +0100
From: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To: dsterba@...e.cz
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 10/3/25 16:15, David Sterba wrote:
> 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.

Ah yes, I've been using this punctuation mark for this sorts of comments,
but this is not AI generated code/text.

-Gustavo