LXR linux/include/linux/mnt

   1#ifndef _NAMESPACE_H_
   2#define _NAMESPACE_H_
   3#ifdef __KERNEL__
   4
   5#include <linux/path.h>
   6#include <linux/seq_file.h>
   7#include <linux/wait.h>
   8
   9struct mnt_namespace {
  10        atomic_t                count;
  11        struct vfsmount *       root;
  12        struct list_head        list;
  13        wait_queue_head_t poll;
  14        int event;
  15};
  16
  17struct proc_mounts {
  18        struct seq_file m; /* must be the first element */
  19        struct mnt_namespace *ns;
  20        struct path root;
  21};
  22
  23struct fs_struct;
  24
  25extern struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt);
  26extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *,
  27                struct fs_struct *);
  28extern void put_mnt_ns(struct mnt_namespace *ns);
  29static inline void get_mnt_ns(struct mnt_namespace *ns)
  30{
  31        atomic_inc(&ns->count);
  32}
  33
  34extern const struct seq_operations mounts_op;
  35extern const struct seq_operations mountinfo_op;
  36extern const struct seq_operations mountstats_op;
  37extern int mnt_had_events(struct proc_mounts *);
  38
  39#endif
  40#endif
  41