fs/9p/fid.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * V9FS FID Management
   4  *
   5  *  Copyright (C) 2005 by Eric Van Hensbergen <ericvh@gmail.com>
   6  */
   7 #ifndef FS_9P_FID_H
   8 #define FS_9P_FID_H
   9 #include <linux/list.h>
  10
  11 struct p9_fid *v9fs_fid_lookup(struct dentry *dentry);
  12 static inline struct p9_fid *v9fs_parent_fid(struct dentry *dentry)
  13 {
  14         return v9fs_fid_lookup(dentry->d_parent);
  15 }
  16 void v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid);
  17 struct p9_fid *v9fs_writeback_fid(struct dentry *dentry);
  18 static inline struct p9_fid *clone_fid(struct p9_fid *fid)
  19 {
  20         return IS_ERR(fid) ? fid :  p9_client_walk(fid, 0, NULL, 1);
  21 }
  22 static inline struct p9_fid *v9fs_fid_clone(struct dentry *dentry)
  23 {
  24         return clone_fid(v9fs_fid_lookup(dentry));
  25 }
  26 #endif