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Message-ID: <20190226163504.GA24711@quack2.suse.cz>
Date:   Tue, 26 Feb 2019 17:35:04 +0100
From:   Jan Kara <jack@...e.cz>
To:     Liu Song <fishland@...yun.com>
Cc:     tytso@....edu, jack@...e.com, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org, liu.song11@....com.cn
Subject: Re: [PATCH] jbd2: jbd2_get_transaction does not need to return a
 value

On Wed 27-02-19 00:07:27, Liu Song wrote:
> In jbd2_get_transaction, a new transaction is initialized,
> and set to the j_running_transaction. No need for a return
> value, so remove it.
> Also, adjust some comments to match the actual operation
> of this function.
> 
> Signed-off-by: Liu Song <liu.song11@....com.cn>

Looks good. You can add:

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

								Honza

> ---
>  fs/jbd2/transaction.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
> index cc35537232f2..79a028a7a579 100644
> --- a/fs/jbd2/transaction.c
> +++ b/fs/jbd2/transaction.c
> @@ -63,7 +63,7 @@ void jbd2_journal_free_transaction(transaction_t *transaction)
>  /*
>   * jbd2_get_transaction: obtain a new transaction_t object.
>   *
> - * Simply allocate and initialise a new transaction.  Create it in
> + * Simply initialise a new transaction. Initialize it in
>   * RUNNING state and add it to the current journal (which should not
>   * have an existing running transaction: we only make a new transaction
>   * once we have started to commit the old one).
> @@ -75,8 +75,8 @@ void jbd2_journal_free_transaction(transaction_t *transaction)
>   *
>   */
>  
> -static transaction_t *
> -jbd2_get_transaction(journal_t *journal, transaction_t *transaction)
> +static void jbd2_get_transaction(journal_t *journal,
> +				transaction_t *transaction)
>  {
>  	transaction->t_journal = journal;
>  	transaction->t_state = T_RUNNING;
> @@ -100,8 +100,6 @@ jbd2_get_transaction(journal_t *journal, transaction_t *transaction)
>  	transaction->t_max_wait = 0;
>  	transaction->t_start = jiffies;
>  	transaction->t_requested = 0;
> -
> -	return transaction;
>  }
>  
>  /*
> -- 
> 2.19.1
> 
> 
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR

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