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authorKirill A. Shutemov <kirill@shutemov.name>2010-03-11 02:22:34 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-13 02:52:37 +0300
commita0a4db548edcce067c1201ef25cf2bc29f32dca4 (patch)
tree6f8139a582179666cd248d978332ed0e32ad9f0f /include/linux/cgroup.h
parent4ab78683c17d739c2a2077141dcf81a02b7fb57e (diff)
downloadlinux-a0a4db548edcce067c1201ef25cf2bc29f32dca4.tar.xz
cgroups: remove events before destroying subsystem state objects
Events should be removed after rmdir of cgroup directory, but before destroying subsystem state objects. Let's take reference to cgroup directory dentry to do that. Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hioryu@jp.fujitsu.com> Cc: Paul Menage <menage@google.com> Acked-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Balbir Singh <balbir@linux.vnet.ibm.com> Cc: Pavel Emelyanov <xemul@openvz.org> Cc: Dan Malek <dan@embeddedalley.com> Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/cgroup.h')
-rw-r--r--include/linux/cgroup.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index b4f2201321cd..b8ad1ea99586 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -396,9 +396,6 @@ struct cftype {
* closes the eventfd or on cgroup removing.
* This callback must be implemented, if you want provide
* notification functionality.
- *
- * Be careful. It can be called after destroy(), so you have
- * to keep all nesessary data, until all events are removed.
*/
int (*unregister_event)(struct cgroup *cgrp, struct cftype *cft,
struct eventfd_ctx *eventfd);