On 2012/11/1 3:44, Tejun Heo wrote:
> This patch makes cgroup_create() fail if @parent is marked removed.
> This is to prepare for further updates to cgroup_rmdir() path.
>
> Note that this change isn't strictly necessary. cgroup can only be
> created via mkdir and the removed marking and dentry
(2012/11/01 4:44), Tejun Heo wrote:
> This patch makes cgroup_create() fail if @parent is marked removed.
> This is to prepare for further updates to cgroup_rmdir() path.
>
> Note that this change isn't strictly necessary. cgroup can only be
> created via mkdir and the removed marking and dentry
(2012/10/31 13:22), Tejun Heo wrote:
> This patch makes cgroup_create() fail if @parent is marked removed.
> This is to prepare for further updates to cgroup_rmdir() path.
>
> Note that this change isn't strictly necessary. cgroup can only be
> created via mkdir and the removed marking and dentry
Hey, Michal.
On Thu, Nov 01, 2012 at 04:15:56PM +0100, Michal Hocko wrote:
> > if (!cgroup_lock_live_group(parent))
> > return -ENODEV;
> >
> > cgrp = kzalloc(sizeof(*cgrp), GFP_KERNEL);
> > if (!cgrp)
> > return -ENOMEM;
>
> this needs to drop the
On Thu 01-11-12 16:05:32, Michal Hocko wrote:
> On Thu 01-11-12 07:52:24, Tejun Heo wrote:
> > Hey, Michal.
> >
> > On Thu, Nov 1, 2012 at 2:16 AM, Michal Hocko wrote:
> > > I am not sure I understand. What does deactivate_super has to do with
> > > the above suggestion? cgroup_lock_live_group wi
On Thu 01-11-12 07:52:24, Tejun Heo wrote:
> Hey, Michal.
>
> On Thu, Nov 1, 2012 at 2:16 AM, Michal Hocko wrote:
> > I am not sure I understand. What does deactivate_super has to do with
> > the above suggestion? cgroup_lock_live_group will take the cgroup_mutex
> > on the success or frees the p
Hey, Michal.
On Thu, Nov 1, 2012 at 2:16 AM, Michal Hocko wrote:
> I am not sure I understand. What does deactivate_super has to do with
> the above suggestion? cgroup_lock_live_group will take the cgroup_mutex
> on the success or frees the previously allocated&unused memory. The
> only thing I w
On Wed 31-10-12 10:04:31, Tejun Heo wrote:
> Hey, Michal.
>
> On Wed, Oct 31, 2012 at 04:55:14PM +0100, Michal Hocko wrote:
> > > + /*
> > > + * Only live parents can have children. Note that the liveliness
> > > + * check isn't strictly necessary because cgroup_mkdir() and
> > > + * cgroup_rm
This patch makes cgroup_create() fail if @parent is marked removed.
This is to prepare for further updates to cgroup_rmdir() path.
Note that this change isn't strictly necessary. cgroup can only be
created via mkdir and the removed marking and dentry removal happen
without releasing cgroup_mutex,
This patch makes cgroup_create() fail if @parent is marked removed.
This is to prepare for further updates to cgroup_rmdir() path.
Note that this change isn't strictly necessary. cgroup can only be
created via mkdir and the removed marking and dentry removal happen
without releasing cgroup_mutex,
Hey, Michal.
On Wed, Oct 31, 2012 at 04:55:14PM +0100, Michal Hocko wrote:
> > + /*
> > +* Only live parents can have children. Note that the liveliness
> > +* check isn't strictly necessary because cgroup_mkdir() and
> > +* cgroup_rmdir() are fully synchronized by i_mutex; however,
On Tue 30-10-12 21:22:40, Tejun Heo wrote:
> This patch makes cgroup_create() fail if @parent is marked removed.
> This is to prepare for further updates to cgroup_rmdir() path.
>
> Note that this change isn't strictly necessary. cgroup can only be
> created via mkdir and the removed marking and
This patch makes cgroup_create() fail if @parent is marked removed.
This is to prepare for further updates to cgroup_rmdir() path.
Note that this change isn't strictly necessary. cgroup can only be
created via mkdir and the removed marking and dentry removal happen
without releasing cgroup_mutex,
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