| /* |
| * Copyright (c) 2005 Silicon Graphics, Inc. |
| * All Rights Reserved. |
| * |
| * 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. |
| * |
| * This program is distributed in the hope that it would 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 the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| #ifndef __PATH_H__ |
| #define __PATH_H__ |
| |
| #include "platform_defs.h" |
| |
| /* |
| * XFS Filesystem Paths |
| * |
| * Utility routines for iterating and searching through the list |
| * of known mounted filesystems and project paths. |
| */ |
| |
| #define FS_MOUNT_POINT (1<<0) |
| #define FS_PROJECT_PATH (1<<1) |
| #define FS_FOREIGN (1<<2) |
| |
| typedef struct fs_path { |
| char *fs_name; /* Data device for filesystem */ |
| dev_t fs_datadev; |
| char *fs_log; /* External log device, if any */ |
| dev_t fs_logdev; |
| char *fs_rt; /* Realtime device, if any */ |
| dev_t fs_rtdev; |
| char *fs_dir; /* Directory / mount point */ |
| uint fs_flags; /* FS_{MOUNT_POINT,PROJECT_PATH}*/ |
| uint fs_prid; /* Project ID for tree root */ |
| } fs_path_t; |
| |
| extern int fs_count; /* number of entries in fs table */ |
| extern int xfs_fs_count; /* number of xfs entries in fs table */ |
| extern fs_path_t *fs_table; /* array of entries in fs table */ |
| extern fs_path_t *fs_path; /* current entry in the fs table */ |
| extern char *mtab_file; |
| |
| extern void fs_table_initialise(int, char *[], int, char *[]); |
| extern void fs_table_destroy(void); |
| |
| extern void fs_table_insert_project_path(char *__dir, uint __projid); |
| |
| |
| extern fs_path_t *fs_table_lookup(const char *__dir, uint __flags); |
| extern fs_path_t *fs_table_lookup_mount(const char *__dir); |
| extern fs_path_t *fs_table_lookup_blkdev(const char *bdev); |
| |
| typedef struct fs_cursor { |
| uint count; /* total count of mount entries */ |
| uint index; /* current position in table */ |
| uint flags; /* iterator flags: mounts/trees */ |
| fs_path_t *table; /* local/global table pointer */ |
| fs_path_t local; /* space for single-entry table */ |
| } fs_cursor_t; |
| |
| extern void fs_cursor_initialise(char *__dir, uint __flags, fs_cursor_t *__cp); |
| extern fs_path_t *fs_cursor_next_entry(fs_cursor_t *__cp); |
| |
| #endif /* __PATH_H__ */ |