From: Alexander Nikiforov <a.nikiforov-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
To: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Eric Paris <eparis-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Al Viro <viro-3bDd1+5oDREiFSDQTTA3OLVCufUGDwFn@public.gmane.org>,
Cgroups <cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"Kirill A. Shutemov"
<kirill-oKw7cIdHH8eLwutG50LtGA@public.gmane.org>,
lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org,
KAMEZAWA Hiroyuki
<kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org>,
Dmitry Solodkiy
<d.solodkiy-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
npiggin-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org
Subject: Re: [PATCH -V3 1/1] cgroup: Add inotify event on change tasks file (fork, exit, move pid from file)
Date: Tue, 22 May 2012 09:31:24 +0400 [thread overview]
Message-ID: <4FBB24AC.1010605@samsung.com> (raw)
In-Reply-To: <20120515152844.GE6119-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
On 05/15/2012 07:28 PM, Tejun Heo wrote:
> Hello,
>
> On Tue, May 15, 2012 at 11:25:17AM -0400, Eric Paris wrote:
>> On Tue, 2012-05-15 at 08:16 -0700, Tejun Heo wrote:
>>> On Mon, May 07, 2012 at 01:38:48PM -0700, Tejun Heo wrote:
>>>> On Fri, May 04, 2012 at 06:43:30PM +0100, Al Viro wrote:
>>>>> Consider that preemptively NAKed. Eric, would you mind explaining
>>>>> WTF would fsnotify *do* with vfsmount(s) here, seeing that they might very
>>>>> well be not mounted in anyone's namespace? And as for generating an event
>>>>> for each, they might appear and disappear at zero notice.
>>>> Eric, any ideas on how to proceed?
>>> Ping?
>> Oh sorry, if Al's correct, and there is just absolutely no way to come
>> up with any kind of mnt for the path we have no choice. Do it the way
>> you were.
> The thing is that people have been requesting recursive notification
> for cgroup events (especially cgroup becoming empty). IIRC, that
> can't be done without path, right? Why so? Can we change that?
>
> Thanks.
>
PIng...
--
Best regards,
Alex Nikiforov,
Mobile SW, Advanced Software Group,
Moscow R&D center, Samsung Electronics
next prev parent reply other threads:[~2012-05-22 5:31 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-26 6:02 [RFD/RFC v2] event about group change Alexander Nikiforov
[not found] ` <4F98E4E5.6020602-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2012-04-26 6:04 ` Alexander Nikiforov
[not found] ` <4F98E57E.1040201-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2012-04-26 6:09 ` Alexander Nikiforov
2012-04-27 22:34 ` Tejun Heo
[not found] ` <20120427223455.GU26595-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-04-28 5:40 ` Alexander Nikiforov
[not found] ` <4F9B82E1.3070602-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2012-04-28 21:41 ` Tejun Heo
[not found] ` <20120428214131.GB4586-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2012-05-03 9:17 ` Alexander Nikiforov
2012-05-03 9:21 ` [PATCH -V3 1/1] cgroup: Add inotify event on change tasks file (fork, exit, move pid from file) Alexander Nikiforov
[not found] ` <4FA24E07.1010206-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2012-05-03 15:50 ` Tejun Heo
[not found] ` <20120503155012.GB5528-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-05-04 12:55 ` Alexander Nikiforov
[not found] ` <4FA3D1D0.8000403-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2012-05-04 16:54 ` Tejun Heo
[not found] ` <20120504165433.GC24639-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-05-05 3:50 ` Alexander Nikiforov
2012-05-05 5:50 ` [PATCH V5] event about group change Alex Nikiforov
[not found] ` <1336197047-22145-1-git-send-email-a.nikiforov-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2012-05-05 5:50 ` [PATCH V5] Currently, user can get inotify FS_MODIFY event only if "tasks" file changed from the user space side (for example echo $$ > /patch/to/cgroup/tasks), but if another process forked user don't get FS_MODIFY event. This patch add this feature. With this user can get FS_MODIFY on do_fork()/do_exit()/move PID from one group to another Alex Nikiforov
2012-05-05 5:58 ` [PATCH -V3 1/1] cgroup: Add inotify event on change tasks file (fork, exit, move pid from file) Alexander Nikiforov
2012-05-03 20:05 ` Eric Paris
2012-05-04 5:24 ` Alexander Nikiforov
[not found] ` <4FA36818.9010409-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2012-05-04 17:04 ` Tejun Heo
[not found] ` <20120504170412.GD24639-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-05-04 17:43 ` Al Viro
[not found] ` <20120504174330.GS6871-3bDd1+5oDREiFSDQTTA3OLVCufUGDwFn@public.gmane.org>
2012-05-07 20:38 ` Tejun Heo
[not found] ` <20120507203848.GL19417-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-05-15 15:16 ` Tejun Heo
[not found] ` <20120515151637.GD6119-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-05-15 15:25 ` Eric Paris
2012-05-15 15:28 ` Tejun Heo
[not found] ` <20120515152844.GE6119-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-05-22 5:31 ` Alexander Nikiforov [this message]
2012-04-28 5:15 ` [RFD/RFC v2] event about group change Alexander Nikiforov
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