[POWERPC] spufs: lockdep annotations for spufs_dir_close

We need to acquire the parent i_mutex with I_MUTEX_PARENT to keep
lockdep happy.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>

diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 5faedf5..f407b24 100644 (file)
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -224,7 +224,7 @@ static int spufs_dir_close(struct inode *inode, struct file *file)
        parent = dir->d_parent->d_inode;
        ctx = SPUFS_I(dir->d_inode)->i_ctx;
 
-       mutex_lock(&parent->i_mutex);
+       mutex_lock_nested(&parent->i_mutex, I_MUTEX_PARENT);
        ret = spufs_rmdir(parent, dir);
        mutex_unlock(&parent->i_mutex);
        WARN_ON(ret);