diff options
Diffstat (limited to 'unionfs/ulfs.h')
-rw-r--r-- | unionfs/ulfs.h | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/unionfs/ulfs.h b/unionfs/ulfs.h deleted file mode 100644 index 532e3c74..00000000 --- a/unionfs/ulfs.h +++ /dev/null @@ -1,75 +0,0 @@ -/* Hurd unionfs - Copyright (C) 2001, 2002, 2005 Free Software Foundation, Inc. - Written by Moritz Schulte <moritz@duesseldorf.ccc.de>. - - 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 - License, or * (at your option) any later version. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. */ - -/* Underlying filesystem management. */ - -#ifndef INCLUDED_ULFS_H -#define INCLUDED_ULFS_H - -/* The structure for each registered underlying filesystem. */ -typedef struct ulfs -{ - char *path; - int flags; - int priority; - struct ulfs *next, *prev; -} ulfs_t; - -/* Flags. */ - -/* The according ulfs is marked writable. */ -#define FLAG_ULFS_WRITABLE 0x00000001 - -/* The start of the ulfs chain. */ -extern ulfs_t *ulfs_chain_start; - -/* The end of the ulfs chain, we need this, to go through the chain in - reversed order. */ -extern ulfs_t *ulfs_chain_end; - -/* Number of registered underlying filesystems. */ -extern unsigned int ulfs_num; - -/* The lock protecting the ulfs data structures. */ -extern struct mutex ulfs_lock; - -/* Register a new underlying filesystem. */ -error_t ulfs_register (char *path, int flags, int priority); - -/* Unregister an underlying filesystem. */ -error_t ulfs_unregister (char *path); - -/* Get an ULFS element by it's index. */ -error_t ulfs_get_num (int num, ulfs_t **ulfs); - -/* Removes invalid ulfs entries. */ -void ulfs_check (void); - -#define ulfs_iterate \ - for (ulfs_t *ulfs = (mutex_lock (&ulfs_lock), \ - ulfs_chain_start); \ - ulfs || (mutex_unlock (&ulfs_lock), 0); \ - ulfs = ulfs->next) - -#define ulfs_iterate_unlocked \ - for (ulfs_t *ulfs = ulfs_chain_start; \ - ulfs; \ - ulfs = ulfs->next) - -#endif |