linux-ext4 - Re: [PATCH 6/9] jbd2: use bh_in instead of jh2bh(jh

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Date: Sun, 12 May 2024 13:14:53 +0200
From: Jan Kara <jack@...e.cz>
To: Kemeng Shi <shikemeng@...weicloud.com>
Cc: tytso@....edu, jack@...e.com, linux-ext4@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/9] jbd2: use bh_in instead of jh2bh(jh_in) to simplify
 code

On Mon 06-05-24 22:17:58, Kemeng Shi wrote:
> We save jh2bh(jh_in) to bh_in, so use bh_in directly instead of
> jh2bh(jh_in) to simplify the code.
> 
> Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>

Looks good. Feel free to add:

Reviewed-by: Jan Kara <jack@...e.cz>

								Honza

> ---
>  fs/jbd2/journal.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
> index 87f558bd2e8a..01e33b643e4d 100644
> --- a/fs/jbd2/journal.c
> +++ b/fs/jbd2/journal.c
> @@ -363,8 +363,8 @@ int jbd2_journal_write_metadata_buffer(transaction_t *transaction,
>  		new_folio = virt_to_folio(jh_in->b_frozen_data);
>  		new_offset = offset_in_folio(new_folio, jh_in->b_frozen_data);
>  	} else {
> -		new_folio = jh2bh(jh_in)->b_folio;
> -		new_offset = offset_in_folio(new_folio, jh2bh(jh_in)->b_data);
> +		new_folio = bh_in->b_folio;
> +		new_offset = offset_in_folio(new_folio, bh_in->b_data);
>  	}
>  
>  	mapped_data = kmap_local_folio(new_folio, new_offset);
> -- 
> 2.30.0
> 
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR