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| author | Li Zefan <lizf@cn.fujitsu.com> | 2011-01-14 11:34:34 +0800 |
|---|---|---|
| committer | Nick Piggin <npiggin@kernel.dk> | 2011-01-14 08:46:29 +0000 |
| commit | 3ec762ad8be364c2fadfe0d6b2cc6d4d3b5e1b54 (patch) | |
| tree | abd1529daad510dbf44a6ebcaa1f680b073eaca6 /kernel/cgroup.c | |
| parent | 7b9337aaf98f9941d0927a75217d3ff31afec609 (diff) | |
| download | linux-3ec762ad8be364c2fadfe0d6b2cc6d4d3b5e1b54.tar.gz linux-3ec762ad8be364c2fadfe0d6b2cc6d4d3b5e1b54.tar.bz2 linux-3ec762ad8be364c2fadfe0d6b2cc6d4d3b5e1b54.zip | |
cgroups: Fix a lockdep warning at cgroup removal
Commit 2fd6b7f5 ("fs: dcache scale subdirs") forgot to annotate a dentry
lock, which caused a lockdep warning.
Reported-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Diffstat (limited to 'kernel/cgroup.c')
| -rw-r--r-- | kernel/cgroup.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 51cddc11cd85..a7837e2d9d6b 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -912,7 +912,7 @@ static void cgroup_d_remove_dir(struct dentry *dentry) parent = dentry->d_parent; spin_lock(&parent->d_lock); - spin_lock(&dentry->d_lock); + spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED); list_del_init(&dentry->d_u.d_child); spin_unlock(&dentry->d_lock); spin_unlock(&parent->d_lock); |