| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * V9FS FID Management |
| 3 | * |
| 4 | * Copyright (C) 2005 by Eric Van Hensbergen <ericvh@gmail.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 |
| 8 | * as published by the Free Software Foundation. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to: |
| 17 | * Free Software Foundation |
| 18 | * 51 Franklin Street, Fifth Floor |
| 19 | * Boston, MA 02111-1301 USA |
| 20 | * |
| 21 | */ |
| 22 | #ifndef FS_9P_FID_H |
| 23 | #define FS_9P_FID_H |
| 24 | #include <linux/list.h> |
| 25 | |
| 26 | struct p9_fid *v9fs_fid_lookup(struct dentry *dentry); |
| 27 | static inline struct p9_fid *v9fs_parent_fid(struct dentry *dentry) |
| 28 | { |
| 29 | return v9fs_fid_lookup(dentry->d_parent); |
| 30 | } |
| 31 | void v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid); |
| 32 | struct p9_fid *v9fs_writeback_fid(struct dentry *dentry); |
| 33 | static inline struct p9_fid *clone_fid(struct p9_fid *fid) |
| 34 | { |
| 35 | return IS_ERR(fid) ? fid : p9_client_walk(fid, 0, NULL, 1); |
| 36 | } |
| 37 | static inline struct p9_fid *v9fs_fid_clone(struct dentry *dentry) |
| 38 | { |
| 39 | return clone_fid(v9fs_fid_lookup(dentry)); |
| 40 | } |
| 41 | #endif |