1 files changed, 4 insertions, 9 deletions

diff --git a/include/linux/mount.h b/include/linux/mount.h
index f8f39937e301..ffb0b5089880 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -37,6 +37,7 @@ struct vfsmount
         struct list_head mnt_list;
         struct list_head mnt_expire;    /* link in fs-specific expiry list */
         struct namespace *mnt_namespace; /* containing namespace */
+        int mnt_pinned;
 };
 
 static inline struct vfsmount *mntget(struct vfsmount *mnt)
@@ -46,15 +47,9 @@ static inline struct vfsmount *mntget(struct vfsmount *mnt)
         return mnt;
 }
 
-extern void __mntput(struct vfsmount *mnt);
-
-static inline void mntput_no_expire(struct vfsmount *mnt)
-{
-        if (mnt) {
-                if (atomic_dec_and_test(&mnt->mnt_count))
-                        __mntput(mnt);
-        }
-}
+extern void mntput_no_expire(struct vfsmount *mnt);
+extern void mnt_pin(struct vfsmount *mnt);
+extern void mnt_unpin(struct vfsmount *mnt);
 
 static inline void mntput(struct vfsmount *mnt)
 {