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From: Greg KH <greg@kroah.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Tejun Heo <tj@kernel.org>,
	fuse-devel@lists.sourceforge.net, miklos@szeredi.hu,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 5/5] CUSE: implement CUSE - Character device in Userspace
Date: Thu, 28 Aug 2008 15:15:25 -0700	[thread overview]
Message-ID: <20080828221525.GA2855@kroah.com> (raw)
In-Reply-To: <20080828130740.344f7213.akpm@linux-foundation.org>

On Thu, Aug 28, 2008 at 01:07:40PM -0700, Andrew Morton wrote:
> On Fri, 29 Aug 2008 03:19:04 +0900
> Tejun Heo <tj@kernel.org> wrote:
> > +#define fc_to_cc(_fc)		container_of((_fc), struct cuse_conn, fc)
> > +#define cdev_to_cc(_cdev)	container_of((_cdev), struct cuse_conn, cdev)
> > +#define cuse_conn_get(cc)	({mntget((cc)->mnt); cc;})
> > +#define cuse_conn_put(cc)	mntput((cc)->mnt)
> 
> I believe all the above could be implemented in C.

"traditionally" container_of() is used in #define, not a function call
as it is just pointer math that can be done at compile time.

thanks,

greg k-h

  reply	other threads:[~2008-08-28 22:21 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-28 18:18 [PATCHSET] CUSE: implement CUSE Tejun Heo
2008-08-28 18:19 ` [PATCH 1/5] FUSE: add fuse_ prefix to several functions Tejun Heo
2008-08-28 18:19 ` [PATCH 2/5] FUSE: export symbols to be used by CUSE Tejun Heo
2008-08-28 18:19 ` [PATCH 3/5] FUSE: separate out fuse_conn_init() from new_conn() Tejun Heo
2008-08-28 18:19 ` [PATCH 4/5] FUSE: add fuse_conn->release() Tejun Heo
2008-08-28 18:19 ` [PATCH 5/5] CUSE: implement CUSE - Character device in Userspace Tejun Heo
2008-08-28 20:07   ` Andrew Morton
2008-08-28 22:15     ` Greg KH [this message]
2008-08-28 22:32       ` Andrew Morton
2008-08-29  2:09     ` Tejun Heo
2008-08-29  2:20       ` Andrew Morton
2008-08-29 15:27       ` Nick Bowler
2008-08-29  5:50 ` [fuse-devel] [PATCHSET] CUSE: implement CUSE Mike Hommey
2008-08-29  5:52   ` Tejun Heo
2008-08-29 18:50     ` Archie Cobbs
2008-08-30 12:30       ` Tejun Heo
2008-08-30 18:56         ` Mike Hommey
2008-09-01  7:20           ` Goswin von Brederlow
2008-09-01  7:38             ` Mike Hommey
2008-08-30 22:39         ` Archie Cobbs
2008-08-31  4:52   ` hooanon05
2008-08-30 16:35 ` Goswin von Brederlow
  -- strict thread matches above, loose matches on Subject: below --
2008-11-20 14:22 [PATCHSET] CUSE: implement CUSE, take #2 Tejun Heo
2008-11-20 14:23 ` [PATCH 5/5] CUSE: implement CUSE - Character device in Userspace Tejun Heo
2008-11-21 18:55   ` Miklos Szeredi
2008-11-22  5:05     ` Tejun Heo
2008-11-22  5:17       ` Andrew Morton
2008-11-22  7:29         ` Tejun Heo
2008-11-22  8:40       ` Miklos Szeredi
2008-11-22  8:48         ` Tejun Heo
2008-11-22  5:16   ` Andrew Morton
2008-11-22  8:02     ` Tejun Heo

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