diff options
Diffstat (limited to 'kernel/cgroup/cgroup-internal.h')
| -rw-r--r-- | kernel/cgroup/cgroup-internal.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/cgroup/cgroup-internal.h b/kernel/cgroup/cgroup-internal.h index 9203bfb05603..00f4d6bf048f 100644 --- a/kernel/cgroup/cgroup-internal.h +++ b/kernel/cgroup/cgroup-internal.h @@ -5,6 +5,7 @@ #include <linux/kernfs.h> #include <linux/workqueue.h> #include <linux/list.h> +#include <linux/refcount.h> /* * A cgroup can be associated with multiple css_sets as different tasks may @@ -134,7 +135,7 @@ static inline void put_css_set(struct css_set *cset) * can see it. Similar to atomic_dec_and_lock(), but for an * rwlock */ - if (atomic_add_unless(&cset->refcount, -1, 1)) + if (refcount_dec_not_one(&cset->refcount)) return; spin_lock_irqsave(&css_set_lock, flags); @@ -147,7 +148,7 @@ static inline void put_css_set(struct css_set *cset) */ static inline void get_css_set(struct css_set *cset) { - atomic_inc(&cset->refcount); + refcount_inc(&cset->refcount); } bool cgroup_ssid_enabled(int ssid); @@ -163,7 +164,7 @@ int cgroup_path_ns_locked(struct cgroup *cgrp, char *buf, size_t buflen, void cgroup_free_root(struct cgroup_root *root); void init_cgroup_root(struct cgroup_root *root, struct cgroup_sb_opts *opts); -int cgroup_setup_root(struct cgroup_root *root, u16 ss_mask); +int cgroup_setup_root(struct cgroup_root *root, u16 ss_mask, int ref_flags); int rebind_subsystems(struct cgroup_root *dst_root, u16 ss_mask); struct dentry *cgroup_do_mount(struct file_system_type *fs_type, int flags, struct cgroup_root *root, unsigned long magic, |