Re: [PATCH v2 2/9] jbd2: remove unused return info from jbd2_journal_write_metadata_buffer

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On 2024/5/14 19:24, Kemeng Shi wrote:
> The done_copy_out info from jbd2_journal_write_metadata_buffer is not
> used. Simply remove it.
> 
> Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>

Thanks, looks good to me.

Reviewed-by: Zhang Yi <yi.zhang@xxxxxxxxxx>

> ---
>  fs/jbd2/commit.c  | 10 +++++-----
>  fs/jbd2/journal.c |  9 +++------
>  2 files changed, 8 insertions(+), 11 deletions(-)
> 
> diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
> index 5e122586e06e..67077308b56b 100644
> --- a/fs/jbd2/commit.c
> +++ b/fs/jbd2/commit.c
> @@ -353,7 +353,7 @@ void jbd2_journal_commit_transaction(journal_t *journal)
>  	struct buffer_head *descriptor;
>  	struct buffer_head **wbuf = journal->j_wbuf;
>  	int bufs;
> -	int flags;
> +	int escape;
>  	int err;
>  	unsigned long long blocknr;
>  	ktime_t start_time;
> @@ -661,10 +661,10 @@ void jbd2_journal_commit_transaction(journal_t *journal)
>  		 */
>  		set_bit(BH_JWrite, &jh2bh(jh)->b_state);
>  		JBUFFER_TRACE(jh, "ph3: write metadata");
> -		flags = jbd2_journal_write_metadata_buffer(commit_transaction,
> +		escape = jbd2_journal_write_metadata_buffer(commit_transaction,
>  						jh, &wbuf[bufs], blocknr);
> -		if (flags < 0) {
> -			jbd2_journal_abort(journal, flags);
> +		if (escape < 0) {
> +			jbd2_journal_abort(journal, escape);
>  			continue;
>  		}
>  		jbd2_file_log_bh(&io_bufs, wbuf[bufs]);
> @@ -673,7 +673,7 @@ void jbd2_journal_commit_transaction(journal_t *journal)
>                     buffer */
>  
>  		tag_flag = 0;
> -		if (flags & 1)
> +		if (escape)
>  			tag_flag |= JBD2_FLAG_ESCAPE;
>  		if (!first_tag)
>  			tag_flag |= JBD2_FLAG_SAME_UUID;
> diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
> index 207b24e12ce9..2dca2f613a8e 100644
> --- a/fs/jbd2/journal.c
> +++ b/fs/jbd2/journal.c
> @@ -316,11 +316,8 @@ static void journal_kill_thread(journal_t *journal)
>   *
>   * Return value:
>   *  <0: Error
> - * >=0: Finished OK
> - *
> - * On success:
> - * Bit 0 set == escape performed on the data
> - * Bit 1 set == buffer copy-out performed (kfree the data after IO)
> + *  =0: Finished OK without escape
> + *  =1: Finished OK with escape
>   */
>  
>  int jbd2_journal_write_metadata_buffer(transaction_t *transaction,
> @@ -455,7 +452,7 @@ int jbd2_journal_write_metadata_buffer(transaction_t *transaction,
>  	set_buffer_shadow(bh_in);
>  	spin_unlock(&jh_in->b_state_lock);
>  
> -	return do_escape | (done_copy_out << 1);
> +	return do_escape;
>  }
>  
>  /*
> 





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