Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933610AbaLEB5t (ORCPT ); Thu, 4 Dec 2014 20:57:49 -0500 Received: from mail-pd0-f201.google.com ([209.85.192.201]:38417 "EHLO mail-pd0-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933506AbaLEB4g (ORCPT ); Thu, 4 Dec 2014 20:56:36 -0500 From: Aditya Kali To: tj@kernel.org, lizefan@huawei.com, serge.hallyn@ubuntu.com, luto@amacapital.net, ebiederm@xmission.com, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, mingo@redhat.com Cc: containers@lists.linux-foundation.org, jnagal@google.com, vgoyal@redhat.com, richard.weinberger@gmail.com, Aditya Kali Subject: [PATCHv3 4/8] cgroup: export cgroup_get() and cgroup_put() Date: Thu, 4 Dec 2014 17:55:46 -0800 Message-Id: <1417744550-6461-5-git-send-email-adityakali@google.com> X-Mailer: git-send-email 2.2.0.rc0.207.ga3a616c In-Reply-To: <1417744550-6461-1-git-send-email-adityakali@google.com> References: <1417744550-6461-1-git-send-email-adityakali@google.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org move cgroup_get() and cgroup_put() into cgroup.h so that they can be called from other places. Acked-by: Serge Hallyn Signed-off-by: Aditya Kali --- include/linux/cgroup.h | 22 ++++++++++++++++++++++ kernel/cgroup.c | 22 ---------------------- 2 files changed, 22 insertions(+), 22 deletions(-) diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index d6930de..6e7533b 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -521,6 +521,28 @@ static inline bool cgroup_on_dfl(const struct cgroup *cgrp) return cgrp->root == &cgrp_dfl_root; } +/* convenient tests for these bits */ +static inline bool cgroup_is_dead(const struct cgroup *cgrp) +{ + return !(cgrp->self.flags & CSS_ONLINE); +} + +static inline void cgroup_get(struct cgroup *cgrp) +{ + WARN_ON_ONCE(cgroup_is_dead(cgrp)); + css_get(&cgrp->self); +} + +static inline bool cgroup_tryget(struct cgroup *cgrp) +{ + return css_tryget(&cgrp->self); +} + +static inline void cgroup_put(struct cgroup *cgrp) +{ + css_put(&cgrp->self); +} + /* no synchronization, the result can only be used as a hint */ static inline bool cgroup_has_tasks(struct cgroup *cgrp) { diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 5d8fc84..e12d36e 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -321,12 +321,6 @@ out_unlock: return css; } -/* convenient tests for these bits */ -static inline bool cgroup_is_dead(const struct cgroup *cgrp) -{ - return !(cgrp->self.flags & CSS_ONLINE); -} - struct cgroup_subsys_state *of_css(struct kernfs_open_file *of) { struct cgroup *cgrp = of->kn->parent->priv; @@ -1039,22 +1033,6 @@ static umode_t cgroup_file_mode(const struct cftype *cft) return mode; } -static void cgroup_get(struct cgroup *cgrp) -{ - WARN_ON_ONCE(cgroup_is_dead(cgrp)); - css_get(&cgrp->self); -} - -static bool cgroup_tryget(struct cgroup *cgrp) -{ - return css_tryget(&cgrp->self); -} - -static void cgroup_put(struct cgroup *cgrp) -{ - css_put(&cgrp->self); -} - /** * cgroup_calc_child_subsys_mask - calculate child_subsys_mask * @cgrp: the target cgroup -- 2.2.0.rc0.207.ga3a616c -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/