fid.h 744 B

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  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. struct p9_fid *v9fs_fid_lookup(struct dentry *dentry);
  11. static inline struct p9_fid *v9fs_parent_fid(struct dentry *dentry)
  12. {
  13. return v9fs_fid_lookup(dentry->d_parent);
  14. }
  15. void v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid);
  16. struct p9_fid *v9fs_writeback_fid(struct dentry *dentry);
  17. static inline struct p9_fid *clone_fid(struct p9_fid *fid)
  18. {
  19. return IS_ERR(fid) ? fid : p9_client_walk(fid, 0, NULL, 1);
  20. }
  21. static inline struct p9_fid *v9fs_fid_clone(struct dentry *dentry)
  22. {
  23. return clone_fid(v9fs_fid_lookup(dentry));
  24. }
  25. #endif