- hook GNS vfsmounts into a list in the superblock

- when the root (lustre) FS is unmounted, automatically unmount the
  underlying GNS mounts

diff --git a/lustre/llite/llite_internal.h b/lustre/llite/llite_internal.h
index 4ad7333..d0447b1 100644 (file)
--- a/lustre/llite/llite_internal.h
+++ b/lustre/llite/llite_internal.h
@@ -41,6 +41,9 @@ struct ll_sb_info {
         spinlock_t                ll_pglist_lock;
         unsigned long             ll_pglist_gen;
         struct list_head          ll_pglist;
+
+        /* list of GNS mounts; protected by the dcache_lock */
+        struct list_head          ll_mnt_list;
 };
 
 struct ll_readahead_state {
@@ -127,6 +130,7 @@ void lprocfs_unregister_mountpoint(struct ll_sb_info *sbi);
 /* llite/dir.c */
 extern struct file_operations ll_dir_operations;
 extern struct inode_operations ll_dir_inode_operations;
+int fill_page_with_path(struct dentry *, struct vfsmount *, char **pagep);
 
 /* llite/namei.c */
 int ll_objects_destroy(struct ptlrpc_request *request, struct inode *dir);