diff options
Diffstat (limited to 'ulfs.c')
| -rw-r--r-- | ulfs.c | 19 |
1 files changed, 15 insertions, 4 deletions
@@ -1,7 +1,10 @@ /* Hurd unionfs - Copyright (C) 2001, 2002, 2005 Free Software Foundation, Inc. + Copyright (C) 2001, 2002, 2005, 2009 Free Software Foundation, Inc. + Written by Moritz Schulte <moritz@duesseldorf.ccc.de>. + Adapted for unionmount by Sergiu Ivanov <unlimitedscolobb@gmail.com>. + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the @@ -31,6 +34,7 @@ #include "lib.h" #include "ulfs.h" +#include "mount.h" /* The start of the ulfs chain. */ ulfs_t *ulfs_chain_start; @@ -212,14 +216,16 @@ ulfs_for_each_under_priv (char *path_under, return err; } -/* Register a new underlying filesystem. */ +/* Register a new underlying filesystem. A null path refers to the + underlying filesystem; a path equal to an empty string refers to + the filesystem of the mountee. */ error_t ulfs_register (char *path, int flags, int priority) { ulfs_t *ulfs; error_t err; - if (path) + if (path && path[0]) { err = check_dir (path); if (err) @@ -261,7 +267,12 @@ ulfs_check () { if (u->path) - p = file_name_lookup (u->path, O_READ | O_DIRECTORY, 0); + { + if (!u->path[0]) + p = mountee_root; + else + p = file_name_lookup (u->path, O_READ | O_DIRECTORY, 0); + } else p = underlying_node; |