From: Tejun Heo Date: Fri, 29 Nov 2013 15:42:58 +0000 (-0500) Subject: cgroup: remove cftype->release() X-Git-Tag: upstream/snapshot3+hdmi~3614^2~32 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b9f3cecaba592d4e98cd155c91b1414323ed51e8;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git cgroup: remove cftype->release() Now that pidlist files don't use cftype->release(), it doesn't have any user left. Remove it. Signed-off-by: Tejun Heo Acked-by: Li Zefan --- diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 492fa01..5207c28 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -499,8 +499,6 @@ struct cftype { * kick type for multiplexing. */ int (*trigger)(struct cgroup_subsys_state *css, unsigned int event); - - int (*release)(struct inode *inode, struct file *file); }; /* diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 1e09ded..b59e345 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -2448,12 +2448,9 @@ static int cgroup_file_open(struct inode *inode, struct file *file) static int cgroup_file_release(struct inode *inode, struct file *file) { struct cfent *cfe = __d_cfe(file->f_dentry); - struct cftype *cft = __d_cft(file->f_dentry); struct cgroup_subsys_state *css = cfe->css; int ret = 0; - if (cft->release) - ret = cft->release(inode, file); if (css->ss) css_put(css); if (file->f_op == &cgroup_seqfile_operations)