include/linux/mnt_namespace.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _NAMESPACE_H_
   3 #define _NAMESPACE_H_
   4 #ifdef __KERNEL__
   5
   6 #include <linux/cleanup.h>
   7 #include <linux/err.h>
   8
   9 struct mnt_namespace;
  10 struct fs_struct;
  11 struct user_namespace;
  12 struct ns_common;
  13
  14 extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *,
  15                 struct user_namespace *, struct fs_struct *);
  16 extern void put_mnt_ns(struct mnt_namespace *ns);
  17 DEFINE_FREE(put_mnt_ns, struct mnt_namespace *, if (!IS_ERR_OR_NULL(_T)) put_mnt_ns(_T))
  18 extern struct ns_common *from_mnt_ns(struct mnt_namespace *);
  19
  20 extern const struct file_operations proc_mounts_operations;
  21 extern const struct file_operations proc_mountinfo_operations;
  22 extern const struct file_operations proc_mountstats_operations;
  23
  24 #endif
  25 #endif