linux-kernel - Re: [PATCH] staging: lustre: lustre: osc: fix Prefer seq_puts to seq

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Date:	Wed, 28 Jan 2015 17:56:07 -0800
From:	Joe Perches <joe@...ches.com>
To:	Heba Aamer <heba93aamer@...il.com>
Cc:	devel@...verdev.osuosl.org, oleg.drokin@...el.com,
	andreas.dilger@...el.com, gregkh@...uxfoundation.org,
	gdonald@...il.com, dmitry.eremin@...el.com, brilliantov@...ox.ru,
	tristan@...ong.xyz, HPDD-discuss@...ts.01.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: lustre: lustre: osc: fix Prefer seq_puts to
 seq_printf

On Wed, 2015-01-28 at 16:05 +0200, Heba Aamer wrote:
> This patch fixes the following checkpatch.pl warning:
> Prefer seq_puts to seq_printf

checkpatch is pretty stupid.
Please don't just do what it says.

Look further and see what else can be improved.

> diff --git a/drivers/staging/lustre/lustre/osc/lproc_osc.c b/drivers/staging/lustre/lustre/osc/lproc_osc.c
[]
> @@ -364,7 +364,7 @@ static int osc_checksum_type_seq_show(struct seq_file *m, void *v)
>  		else
>  			seq_printf(m, "%s ", cksum_name[i]);
>  	}
> -	seq_printf(m, "\n");
> +	seq_puts(m, "\n");

This could be seq_putc

> @@ -601,7 +601,7 @@ static int osc_rpc_stats_seq_show(struct seq_file *seq, void *v)
>  	seq_printf(seq, "pending read pages:   %d\n",
>  		   atomic_read(&cli->cl_pending_r_pages));
>  
> -	seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
> +	seq_puts(seq, "\n\t\t\tread\t\t\twrite\n");
>  	seq_printf(seq, "pages per rpc	 rpcs   %% cum %% |");
>  	seq_printf(seq, "       rpcs   %% cum %%\n");

The seq_printf uses with %% could also be seq_puts

> @@ -624,7 +624,7 @@ static int osc_rpc_stats_seq_show(struct seq_file *seq, void *v)
>  			break;
>  	}
>  
> -	seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
> +	seq_puts(seq, "\n\t\t\tread\t\t\twrite\n");
>  	seq_printf(seq, "rpcs in flight	rpcs   %% cum %% |");
>  	seq_printf(seq, "       rpcs   %% cum %%\n");

seq_puts here too

> @@ -647,7 +647,7 @@ static int osc_rpc_stats_seq_show(struct seq_file *seq, void *v)
>  			break;
>  	}
>  
> -	seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
> +	seq_puts(seq, "\n\t\t\tread\t\t\twrite\n");
>  	seq_printf(seq, "offset		rpcs   %% cum %% |");
>  	seq_printf(seq, "       rpcs   %% cum %%\n");
>  

and here


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