Messages in this thread Patch in this message | | | Date | Wed, 27 Jun 2012 16:02:30 -0700 | From | "" <> | Subject | Re: 3.5-rc3: BUG: Dentry still in use (1) [unmount of cgroup cgroup] |
| |
Hello,
Does the following patch make the problem go away?
Thank you.
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 2097684..f9556cf 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -3644,6 +3644,7 @@ static void cgroup_event_remove(struct work_struct *work) eventfd_ctx_put(event->eventfd); kfree(event); dput(cgrp->dentry); + deactivate_super(cgrp->root->sb); } /* @@ -3770,6 +3771,7 @@ static int cgroup_write_event_control(struct cgroup *cgrp, struct cftype *cft, * destroying subsystem state objects. Let's take reference to cgroup * directory dentry to do that. */ + atomic_inc(&cgrp->root->sb->s_active); dget(cgrp->dentry); spin_lock(&cgrp->event_list_lock);
| |