From: Joe Perches <joe@perches.com>
To: Amerigo Wang <amwang@redhat.com>
Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
Greg Kroah-Hartman <gregkh@suse.de>,
Paul Clements <Paul.Clements@steeleye.com>,
Jiri Kosina <trivial@kernel.org>
Subject: Re: [PATCH] nbd: some trivial improvements
Date: Mon, 08 Aug 2011 09:37:05 -0700 [thread overview]
Message-ID: <1312821425.1643.11.camel@Joe-Laptop> (raw)
In-Reply-To: <1312794004-22047-1-git-send-email-amwang@redhat.com>
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".
next prev parent reply other threads:[~2011-08-08 16:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-08 9:00 [PATCH] nbd: some trivial improvements Amerigo Wang
2011-08-08 16:37 ` Joe Perches [this message]
2011-08-09 7:13 ` Cong Wang
2011-08-08 17:20 ` Greg KH
2011-08-09 7:16 ` Cong Wang
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