fs/nfs/fscache.h

   1 /* NFS filesystem cache interface definitions
   2  *
   3  * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
   4  * Written by David Howells (dhowells@redhat.com)
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public Licence
   8  * as published by the Free Software Foundation; either version
   9  * 2 of the Licence, or (at your option) any later version.
  10  */
  11
  12 #ifndef _NFS_FSCACHE_H
  13 #define _NFS_FSCACHE_H
  14
  15 #include <linux/nfs_fs.h>
  16 #include <linux/nfs_mount.h>
  17 #include <linux/nfs4_mount.h>
  18 #include <linux/fscache.h>
  19
  20 #ifdef CONFIG_NFS_FSCACHE
  21
  22 /*
  23  * fscache-index.c
  24  */
  25 extern struct fscache_netfs nfs_fscache_netfs;
  26 extern const struct fscache_cookie_def nfs_fscache_server_index_def;
  27
  28 extern int nfs_fscache_register(void);
  29 extern void nfs_fscache_unregister(void);
  30
  31 /*
  32  * fscache.c
  33  */
  34 extern void nfs_fscache_get_client_cookie(struct nfs_client *);
  35 extern void nfs_fscache_release_client_cookie(struct nfs_client *);
  36
  37 #else /* CONFIG_NFS_FSCACHE */
  38 static inline int nfs_fscache_register(void) { return 0; }
  39 static inline void nfs_fscache_unregister(void) {}
  40
  41 static inline void nfs_fscache_get_client_cookie(struct nfs_client *clp) {}
  42 static inline void nfs_fscache_release_client_cookie(struct nfs_client *clp) {}
  43
  44 #endif /* CONFIG_NFS_FSCACHE */
  45 #endif /* _NFS_FSCACHE_H */