vfs: spread struct mount - work with counters

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/pnode.c

@@ -274,7 +274,7 @@ int propagate_mnt(struct vfsmount *dest_mnt, struct dentry *dest_dentry,
  */
 static inline int do_refcount_check(struct mount *mnt, int count)
 {
-	int mycount = mnt_get_count(&mnt->mnt) - mnt->mnt.mnt_ghosts;
+	int mycount = mnt_get_count(mnt) - mnt->mnt.mnt_ghosts;
 	return (mycount > count);
 }
 

fs/pnode.h

@@ -36,7 +36,7 @@ int propagate_umount(struct list_head *);
 int propagate_mount_busy(struct mount *, int);
 void mnt_release_group_id(struct mount *);
 int get_dominating_id(struct vfsmount *mnt, const struct path *root);
-unsigned int mnt_get_count(struct vfsmount *mnt);
+unsigned int mnt_get_count(struct mount *mnt);
 void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
 			struct mount *);
 void release_mounts(struct list_head *);