diff options
Diffstat (limited to 'include/linux/time_namespace.h')
| -rw-r--r-- | include/linux/time_namespace.h | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/include/linux/time_namespace.h b/include/linux/time_namespace.h index bb9d3f5542f8..c514d0e5a45c 100644 --- a/include/linux/time_namespace.h +++ b/include/linux/time_namespace.h @@ -7,10 +7,14 @@ #include <linux/nsproxy.h> #include <linux/ns_common.h> #include <linux/err.h> +#include <linux/time64.h> struct user_namespace; extern struct user_namespace init_user_ns; +struct seq_file; +struct vm_area_struct; + struct timens_offsets { struct timespec64 monotonic; struct timespec64 boottime; @@ -29,27 +33,31 @@ struct time_namespace { extern struct time_namespace init_time_ns; #ifdef CONFIG_TIME_NS +static inline struct time_namespace *to_time_ns(struct ns_common *ns) +{ + return container_of(ns, struct time_namespace, ns); +} +void __init time_ns_init(void); extern int vdso_join_timens(struct task_struct *task, struct time_namespace *ns); extern void timens_commit(struct task_struct *tsk, struct time_namespace *ns); static inline struct time_namespace *get_time_ns(struct time_namespace *ns) { - refcount_inc(&ns->ns.count); + ns_ref_inc(ns); return ns; } -struct time_namespace *copy_time_ns(unsigned long flags, +struct time_namespace *copy_time_ns(u64 flags, struct user_namespace *user_ns, struct time_namespace *old_ns); void free_time_ns(struct time_namespace *ns); void timens_on_fork(struct nsproxy *nsproxy, struct task_struct *tsk); -struct vdso_data *arch_get_vdso_data(void *vvar_page); struct page *find_timens_vvar_page(struct vm_area_struct *vma); static inline void put_time_ns(struct time_namespace *ns) { - if (refcount_dec_and_test(&ns->ns.count)) + if (ns_ref_put(ns)) free_time_ns(ns); } @@ -105,6 +113,10 @@ static inline ktime_t timens_ktime_to_host(clockid_t clockid, ktime_t tim) } #else +static inline void __init time_ns_init(void) +{ +} + static inline int vdso_join_timens(struct task_struct *task, struct time_namespace *ns) { @@ -126,7 +138,7 @@ static inline void put_time_ns(struct time_namespace *ns) } static inline -struct time_namespace *copy_time_ns(unsigned long flags, +struct time_namespace *copy_time_ns(u64 flags, struct user_namespace *user_ns, struct time_namespace *old_ns) { |
