linux-kernel - Re: [PATCH v2] Updated locking documentation for journal

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Message-ID: <cf9b4f6b-baeb-3880-58e6-44cd02abf877@tu-dortmund.de>
Date:   Sat, 5 Jun 2021 15:07:01 +0200
From:   Alexander Lochmann <alexander.lochmann@...dortmund.de>
To:     linux-kernel <linux-kernel@...r.kernel.org>
Cc:     Horst Schirmeier <horst.schirmeier@...dortmund.de>,
        "Theodore Ts'o" <tytso@....edu>, Jan Kara <jack@...e.cz>
Subject: Re: [PATCH v2] Updated locking documentation for journal_head

Hi folks,

Have you had the chance to review my patch?
Does is look good to you?
Jan already approved it.

Regards,
Alex


On 19.03.21 11:47, Alexander Lochmann wrote:
> LockDoc's results show that t_list_lock has been
> replaced by j_list_lock for b_next_transaction,
> b_tnext, and b_tprev.
> We, therefore, updated the documentation
> accordingly.
> 
> Signed-off-by: Alexander Lochmann <alexander.lochmann@...dortmund.de>
> Signed-off-by: Horst Schirmeier <horst.schirmeier@...dortmund.de>
> Reviewed-by: Jan Kara <jack@...e.cz>
> ---
>   include/linux/journal-head.h | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/include/linux/journal-head.h b/include/linux/journal-head.h
> index 75bc56109031..d68ae72784eb 100644
> --- a/include/linux/journal-head.h
> +++ b/include/linux/journal-head.h
> @@ -80,13 +80,13 @@ struct journal_head {
>   	 * Pointer to the running compound transaction which is currently
>   	 * modifying the buffer's metadata, if there was already a transaction
>   	 * committing it when the new transaction touched it.
> -	 * [t_list_lock] [b_state_lock]
> +	 * [j_list_lock] [b_state_lock]
>   	 */
>   	transaction_t *b_next_transaction;
>   
>   	/*
>   	 * Doubly-linked list of buffers on a transaction's data, metadata or
> -	 * forget queue. [t_list_lock] [b_state_lock]
> +	 * forget queue. [j_list_lock] [b_state_lock]
>   	 */
>   	struct journal_head *b_tnext, *b_tprev;
>   
> 

-- 
Technische Universität Dortmund
Alexander Lochmann                PGP key: 0xBC3EF6FD
Otto-Hahn-Str. 16                 phone:  +49.231.7556141
D-44227 Dortmund                  fax:    +49.231.7556116
http://ess.cs.tu-dortmund.de/Staff/al



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