[lkml]   [2012]   [Jul]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
Patch in this message
Subject[PATCH] cgroup: cgroup_rm_files() was calling simple_unlink() with the wrong inode
From 6da2689412c78b97716ec524cc30baf7b46508cd Mon Sep 17 00:00:00 2001
From: Tejun Heo <>
Date: Tue, 3 Jul 2012 10:32:26 -0700

While refactoring cgroup file removal path, 05ef1d7c4a "cgroup:
introduce struct cfent" incorrectly changed the @dir argument of
simple_unlink() to the inode of the file being deleted instead of that
of the containing directory.

The effect of this bug is minor - ctime and mtime of the parent
weren't properly updated on file deletion.

Fix it by using @cgrp->dentry->d_inode instead.

Signed-off-by: Tejun Heo <>
Reported-by: Al Viro <>
Will commit to cgroup/for-3.5-fixes. Li, can you please ack this?


kernel/cgroup.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 2097684..b214fc2 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -964,7 +964,7 @@ static int cgroup_rm_file(struct cgroup *cgrp, const struct cftype *cft)

- simple_unlink(d->d_inode, d);
+ simple_unlink(cgrp->dentry->d_inode, d);


 \ /
  Last update: 2012-07-03 19:41    [W:0.116 / U:2.480 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site