From: Tejun Heo <tj@kernel.org>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: "Greg KH" <gregkh@suse.de>,
"Américo Wang" <xiyou.wangcong@gmail.com>,
"Neil Brown" <neilb@suse.de>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sysfs: differentiate between locking links and non-links
Date: Fri, 12 Feb 2010 11:16:05 +0900 [thread overview]
Message-ID: <4B74B9E5.60708@kernel.org> (raw)
In-Reply-To: <m1r5oruu4m.fsf@fess.ebiederm.org>
Hello,
On 02/12/2010 10:20 AM, Eric W. Biederman wrote:
> My reasoning is that we effectively get an active reference on directories
> for free because we have to delete the children before we can delete a
> directory.
Yeah, as long as we guarantee that all children are removed before the
parent, I think we're in the clear. The group handling seems
problematic (w/ or w/o the patch) but yeap Ack on removing
get_active_two.
Thanks.
--
tejun
next prev parent reply other threads:[~2010-02-12 2:08 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-10 1:09 [PATCH] sysfs: differentiate between locking links and non-links Neil Brown
2010-02-10 1:21 ` David Rientjes
2010-02-10 1:56 ` Américo Wang
2010-02-10 3:05 ` David Rientjes
2010-02-10 3:14 ` Américo Wang
2010-02-10 3:19 ` David Rientjes
2010-02-10 3:33 ` Américo Wang
2010-02-10 2:08 ` Américo Wang
2010-02-10 2:19 ` Tejun Heo
2010-02-10 3:12 ` Américo Wang
2010-02-10 8:03 ` Eric W. Biederman
2010-02-10 10:39 ` Tejun Heo
2010-02-10 18:25 ` Eric W. Biederman
2010-02-10 23:05 ` Greg KH
2010-02-11 1:31 ` Eric W. Biederman
2010-02-11 2:10 ` Tejun Heo
2010-02-11 18:08 ` Eric W. Biederman
2010-02-12 0:59 ` Tejun Heo
2010-02-12 1:20 ` Eric W. Biederman
2010-02-12 1:20 ` Eric W. Biederman
2010-02-12 2:16 ` Tejun Heo [this message]
2010-02-11 23:13 ` [PATCH 0/4] Better sysfs lockdep Eric W. Biederman
2010-02-11 23:14 ` [PATCH 1/4] sysfs: Remove sysfs_get/put_active_two Eric W. Biederman
2010-02-11 23:20 ` [PATCH 2/4] sysfs: Only take active references on attributes Eric W. Biederman
2010-02-11 23:21 ` [PATCH 3/4] sysfs: Use one lockdep class per sysfs attribute Eric W. Biederman
2010-02-11 23:23 ` [PATCH 4/4] sysfs: Use sysfs_attr_init and sysfs_bin_attr_init on dynamic attributes Eric W. Biederman
2010-02-11 23:42 ` Greg KH
2010-02-12 12:47 ` [PATCH] sysfs: Document sysfs_attr_init and sysfs_bin_attr_init Eric W. Biederman
2010-02-12 21:41 ` [PATCH] sysfs: Use sysfs_attr_init and sysfs_bin_attr_init on module dynamic attributes Eric W. Biederman
2010-02-15 10:38 ` [PATCH 4/4] sysfs: Use sysfs_attr_init and sysfs_bin_attr_init on " Américo Wang
2010-02-15 12:53 ` Eric W. Biederman
2010-02-15 10:35 ` [PATCH 3/4] sysfs: Use one lockdep class per sysfs attribute Américo Wang
2010-02-15 7:27 ` [PATCH 2/4] sysfs: Only take active references on attributes Américo Wang
2010-02-15 8:15 ` Américo Wang
2010-02-15 8:31 ` Américo Wang
2010-02-15 10:11 ` Eric W. Biederman
2010-02-15 7:03 ` [PATCH 1/4] sysfs: Remove sysfs_get/put_active_two Américo Wang
2010-02-11 23:18 ` Eric W. Biederman
2010-02-11 23:17 ` [PATCH 0/4] Better sysfs lockdep Eric W. Biederman
2010-02-11 23:43 ` Greg KH
2010-02-10 23:54 ` [PATCH] sysfs: differentiate between locking links and non-links Tejun Heo
2010-02-11 0:38 ` Eric W. Biederman
2010-02-10 17:36 ` Eric W. Biederman
2010-02-10 17:55 ` Dmitry Torokhov
2010-02-10 23:06 ` Greg KH
2010-02-11 21:42 ` Eric W. Biederman
2010-02-11 22:32 ` Greg KH
2010-02-11 22:47 ` Eric W. Biederman
2010-02-17 22:38 ` Greg KH
2010-02-18 0:39 ` Neil Brown
2010-02-18 1:01 ` Eric W. Biederman
2010-02-18 1:12 ` Greg KH
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