linux-kernel - Re: [PATCH 2/8] autofs: Pushdown the bkl from ioctl

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Message-ID: <20100519180832.GA9752@nowhere>
Date:	Wed, 19 May 2010 20:08:35 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Ingo Molnar <mingo@...e.hu>, LKML <linux-kernel@...r.kernel.org>,
	Autofs <autofs@...ux.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	John Kacur <jkacur@...hat.com>, Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH 2/8] autofs: Pushdown the bkl from ioctl

On Wed, May 19, 2010 at 11:02:04AM -0700, H. Peter Anvin wrote:
> On 05/19/2010 10:24 AM, Frederic Weisbecker wrote:
> >   * generate kernel reactions
> >   */
> > -static int autofs_root_ioctl(struct inode *inode, struct file *filp,
> > +static int autofs_root_ioctl_unlocked(struct inode *inode, struct file *filp,
> >  			     unsigned int cmd, unsigned long arg)
> >  {
> >  	struct autofs_sb_info *sbi = autofs_sbi(inode->i_sb);
> > @@ -579,3 +579,16 @@ static int autofs_root_ioctl(struct inode *inode, struct file *filp,
> >  		return -ENOSYS;
> >  	}
> >  }
> > +
> > +static long autofs_root_ioctl(struct file *filp,
> > +			     unsigned int cmd, unsigned long arg)
> > +{
> 
> The choice of naming here seems reverse in my opinion.


Oh, why?

The function that holds the bkl calls its unlocked version.

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