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

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Message-ID: <4E40DE33.1070208@redhat.com>
Date:	Tue, 09 Aug 2011 15:13:55 +0800
From:	Cong Wang <amwang@...hat.com>
To:	Joe Perches <joe@...ches.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

于 2011年08月09日 00:37, Joe Perches 写道:
> 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".
>

Ok, I didn't notice this, will fix it.

Thanks.
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