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-rw-r--r--include/linux/mnt_namespace.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h
index 35942084cd40..24f5fd1a789d 100644
--- a/include/linux/mnt_namespace.h
+++ b/include/linux/mnt_namespace.h
@@ -6,11 +6,14 @@
struct mnt_namespace;
struct fs_struct;
struct user_namespace;
+struct vfsmount;
extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *,
struct user_namespace *, struct fs_struct *);
extern void put_mnt_ns(struct mnt_namespace *ns);
+extern int is_current_mnt_ns(struct vfsmount *mnt);
+
extern const struct file_operations proc_mounts_operations;
extern const struct file_operations proc_mountinfo_operations;
extern const struct file_operations proc_mountstats_operations;