5 #include <linux/mount.h>
6 #include <linux/sched.h>
7 #include <linux/nsproxy.h>
8 #include <linux/seq_file.h>
10 struct mnt_namespace {
12 struct vfsmount * root;
13 struct list_head list;
14 wait_queue_head_t poll;
19 struct seq_file m; /* must be the first element */
20 struct mnt_namespace *ns;
25 extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *,
27 extern void __put_mnt_ns(struct mnt_namespace *ns);
29 static inline void put_mnt_ns(struct mnt_namespace *ns)
31 if (atomic_dec_and_lock(&ns->count, &vfsmount_lock))
32 /* releases vfsmount_lock */
36 static inline void exit_mnt_ns(struct task_struct *p)
38 struct mnt_namespace *ns = p->nsproxy->mnt_ns;
43 static inline void get_mnt_ns(struct mnt_namespace *ns)
45 atomic_inc(&ns->count);
48 extern const struct seq_operations mounts_op;
49 extern const struct seq_operations mountinfo_op;
50 extern const struct seq_operations mountstats_op;