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 42