linux-ext4 - Re: [PATCH] jbd2: redefine jbd2_get_transaction to jbd2_init

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Date:	Thu, 12 Nov 2015 22:27:57 +0100
From:	Jan Kara <jack@...e.cz>
To:	Alexandru Moise <00moses.alexander00@...il.com>
Cc:	tytso@....edu, jack@...e.com, linux-ext4@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] jbd2: redefine jbd2_get_transaction to
 jbd2_init_transaction

On Thu 12-11-15 22:25:06, Alexandru Moise wrote:
> This patch follows the same logic of a 2012 patch to jbd
> (prior to ext3 removal). Yuanhan Liu renamed the jbd
> get_transaction() function to init_transaction(), as the function
> was as an initialization function, as it is mostly in our case.
> 
> Also remove the return value as it is unused.
> 
> Signed-off-by: Alexandru Moise <00moses.alexander00@...il.com>

This is a border-line of a pointless churn but the original name was poor
so OK. You can add:

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

								Honza
> ---
>  fs/jbd2/transaction.c | 10 ++++------
>  1 file changed, 4 insertions(+), 6 deletions(-)
> 
> diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
> index 89463ee..3fd597b 100644
> --- a/fs/jbd2/transaction.c
> +++ b/fs/jbd2/transaction.c
> @@ -65,7 +65,7 @@ void jbd2_journal_free_transaction(transaction_t *transaction)
>  }
>  
>  /*
> - * jbd2_get_transaction: obtain a new transaction_t object.
> + * jbd2_init_transaction: obtain a new transaction_t object.
>   *
>   * Simply allocate and initialise a new transaction.  Create it in
>   * RUNNING state and add it to the current journal (which should not
> @@ -79,8 +79,8 @@ void jbd2_journal_free_transaction(transaction_t *transaction)
>   *
>   */
>  
> -static transaction_t *
> -jbd2_get_transaction(journal_t *journal, transaction_t *transaction)
> +static void
> +jbd2_init_transaction(journal_t *journal, transaction_t *transaction)
>  {
>  	transaction->t_journal = journal;
>  	transaction->t_state = T_RUNNING;
> @@ -104,8 +104,6 @@ jbd2_get_transaction(journal_t *journal, transaction_t *transaction)
>  	transaction->t_max_wait = 0;
>  	transaction->t_start = jiffies;
>  	transaction->t_requested = 0;
> -
> -	return transaction;
>  }
>  
>  /*
> @@ -343,7 +341,7 @@ repeat:
>  		write_lock(&journal->j_state_lock);
>  		if (!journal->j_running_transaction &&
>  		    (handle->h_reserved || !journal->j_barrier_count)) {
> -			jbd2_get_transaction(journal, new_transaction);
> +			jbd2_init_transaction(journal, new_transaction);
>  			new_transaction = NULL;
>  		}
>  		write_unlock(&journal->j_state_lock);
> -- 
> 2.6.2
> 
> 
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR
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