linux-kernel - Re: [PATCH] bcachefs: Remove duplicate condition in return statement

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Message-Id: <0FD94900-D786-4DB2-A5D4-B6B723A940E7@linux.dev>
Date: Sat, 22 Feb 2025 15:16:29 +0100
From: Thorsten Blum <thorsten.blum@...ux.dev>
To: Kent Overstreet <kent.overstreet@...ux.dev>
Cc: linux-bcachefs@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] bcachefs: Remove duplicate condition in return statement

On 22. Feb 2025, at 15:05, Kent Overstreet wrote:
> On Sat, Feb 22, 2025 at 02:31:01PM +0100, Thorsten Blum wrote:
>> The last two conditions in the return statement are identical. Remove
>> one of them.
>> 
>> Signed-off-by: Thorsten Blum <thorsten.blum@...ux.dev>
>> ---
>> fs/bcachefs/extents.h | 1 -
>> 1 file changed, 1 deletion(-)
>> 
>> diff --git a/fs/bcachefs/extents.h b/fs/bcachefs/extents.h
>> index 620b284aa34f..8afcf2c75015 100644
>> --- a/fs/bcachefs/extents.h
>> +++ b/fs/bcachefs/extents.h
>> @@ -703,7 +703,6 @@ static inline bool bch2_extent_ptr_eq(struct bch_extent_ptr ptr1,
>> 	return (ptr1.cached	== ptr2.cached &&
>> 		ptr1.unwritten	== ptr2.unwritten &&
>> 		ptr1.offset	== ptr2.offset &&
>> -		ptr1.dev	== ptr2.dev &&
>> 		ptr1.dev	== ptr2.dev);
>> 
> Actually should have been checking gen:
> 
> 
> From b0e5e78f7e890c48b69e24d19e82597daa2d9cf0 Mon Sep 17 00:00:00 2001
> From: Kent Overstreet <kent.overstreet@...ux.dev>
> Date: Sat, 22 Feb 2025 09:05:36 -0500
> Subject: [PATCH] bcachefs: fix bch2_extent_ptr_eq()
> 
> Signed-off-by: Kent Overstreet <kent.overstreet@...ux.dev>
> diff --git a/fs/bcachefs/extents.h b/fs/bcachefs/extents.h
> index 8fae6b23a341..ed160aaa9546 100644
> --- a/fs/bcachefs/extents.h
> +++ b/fs/bcachefs/extents.h
> @@ -704,7 +704,7 @@ static inline bool bch2_extent_ptr_eq(struct bch_extent_ptr ptr1,
> 		ptr1.unwritten	== ptr2.unwritten &&
> 		ptr1.offset	== ptr2.offset &&
> 		ptr1.dev	== ptr2.dev &&
> -		ptr1.dev	== ptr2.dev);
> +		ptr1.gen	== ptr2.gen);
> }
> 
> void bch2_ptr_swab(struct bkey_s);

Thanks, I was about to ask if it should have been gen instead.

Feel free to add:
Reviewed-by: Thorsten Blum <thorsten.blum@...ux.dev>