linux-kernel - Re: [PATCH] nbd: some trivial improvements

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Date:	Mon, 08 Aug 2011 09:37:05 -0700
From:	Joe Perches <joe@...ches.com>
To:	Amerigo Wang <amwang@...hat.com>
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Paul Clements <Paul.Clements@...eleye.com>,
	Jiri Kosina <trivial@...nel.org>
Subject: Re: [PATCH] nbd: some trivial improvements

On Mon, 2011-08-08 at 17:00 +0800, Amerigo Wang wrote:
> This patch 1) uses task_pid_nr(current) to get the pid of current process,
>  2) replaces sysfs_create_file() with device_create_file(), 3) lower
> the loglevel of an error message.

Just trivia:

> diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
[]
> @@ -405,10 +405,10 @@ static int nbd_do_it(struct nbd_device *lo)
>  
>  	BUG_ON(lo->magic != LO_MAGIC);
>  
> -	lo->pid = current->pid;
> -	ret = sysfs_create_file(&disk_to_dev(lo->disk)->kobj, &pid_attr.attr);
> +	lo->pid = task_pid_nr(current);
> +	ret = device_create_file(disk_to_dev(lo->disk), &pid_attr);
>  	if (ret) {
> -		printk(KERN_ERR "nbd: sysfs_create_file failed!");
> +		printk(KERN_ERR "nbd: device_create_file failed!");

Missing "\n".

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