linux-kernel - Re: [PATCH] devtmpfs: Calling delete

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Message-ID: <20131209064654.GA20485@kroah.com>
Date:	Sun, 8 Dec 2013 22:46:54 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Axel Lin <axel.lin@...ics.com>
Cc:	Rob Landley <rob@...dley.net>, Al Viro <viro@...iv.linux.org.uk>,
	Kay Sievers <kay.sievers@...y.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] devtmpfs: Calling delete_path() only when necessary

On Wed, Dec 04, 2013 at 02:44:14PM +0800, Axel Lin wrote:
> 2013/12/4 Rob Landley <rob@...dley.net>:
> > On 11/16/2013 02:15:23 AM, Axel Lin wrote:
> >>
> >> The deleted variable is always 1 in current code.
> >> Initialize deleted variable to be 0, so delete_path() will be called only
> >> when
> >> necessary.
> >>
> >> Signed-off-by: Axel Lin <axel.lin@...ics.com>
> >
> >
> > I'm not seeing this in linux-next, or a reply on the web archive. Assuming
> > nobody's objected to this, you might want to forward it to
> > trivial@...nel.org.
> >
> > That said, you could describe what it _does_ a little more?
> 
> I was expecting Greg to pick up this patch.
> 
> I thought the description is pretty clear.
> What the patch does is changing the init value of deleted variable to 0.
> The intention of this change is to avoid unnecessary delete_path() call.

I agree the logic is a bit odd here, but are you seeing an "unnecessary"
delete_path() call happening?  The code has always been like this from
what I can tell...

thanks,

greg k-h
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