18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * V9FS FID Management 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Copyright (C) 2005 by Eric Van Hensbergen <ericvh@gmail.com> 68c2ecf20Sopenharmony_ci */ 78c2ecf20Sopenharmony_ci#ifndef FS_9P_FID_H 88c2ecf20Sopenharmony_ci#define FS_9P_FID_H 98c2ecf20Sopenharmony_ci#include <linux/list.h> 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_cistruct p9_fid *v9fs_fid_lookup(struct dentry *dentry); 128c2ecf20Sopenharmony_cistatic inline struct p9_fid *v9fs_parent_fid(struct dentry *dentry) 138c2ecf20Sopenharmony_ci{ 148c2ecf20Sopenharmony_ci return v9fs_fid_lookup(dentry->d_parent); 158c2ecf20Sopenharmony_ci} 168c2ecf20Sopenharmony_civoid v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid); 178c2ecf20Sopenharmony_cistruct p9_fid *v9fs_writeback_fid(struct dentry *dentry); 188c2ecf20Sopenharmony_cistatic inline struct p9_fid *clone_fid(struct p9_fid *fid) 198c2ecf20Sopenharmony_ci{ 208c2ecf20Sopenharmony_ci return IS_ERR(fid) ? fid : p9_client_walk(fid, 0, NULL, 1); 218c2ecf20Sopenharmony_ci} 228c2ecf20Sopenharmony_cistatic inline struct p9_fid *v9fs_fid_clone(struct dentry *dentry) 238c2ecf20Sopenharmony_ci{ 248c2ecf20Sopenharmony_ci return clone_fid(v9fs_fid_lookup(dentry)); 258c2ecf20Sopenharmony_ci} 268c2ecf20Sopenharmony_ci#endif 27