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linux-vybrid_pu...
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cifs
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fscache.h

fscache.h 2.6 KB
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  1. /*
    2. 

  2.  *   fs/cifs/fscache.h - CIFS filesystem cache interface definitions
    3. 

  3.  *
    4. 

  4.  *   Copyright (c) 2010 Novell, Inc.
    5. 

  5.  *   Authors(s): Suresh Jayaraman (sjayaraman@suse.de>
    6. 

  6.  *
    7. 

  7.  *   This library is free software; you can redistribute it and/or modify
    8. 

  8.  *   it under the terms of the GNU Lesser General Public License as published
    9. 

  9.  *   by the Free Software Foundation; either version 2.1 of the License, or
    10. 

  10.  *   (at your option) any later version.
    11. 

  11.  *
    12. 

  12.  *   This library is distributed in the hope that it will be useful,
    13. 

  13.  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
    14. 

  14.  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
    15. 

  15.  *   the GNU Lesser General Public License for more details.
    16. 

  16.  *
    17. 

  17.  *   You should have received a copy of the GNU Lesser General Public License
    18. 

  18.  *   along with this library; if not, write to the Free Software
    19. 

  19.  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
    20. 

  20.  */
    21. 

  21. #ifndef _CIFS_FSCACHE_H
    22. 

  22. #define _CIFS_FSCACHE_H
    23. 

  23. 

  24. #include <linux/fscache.h>
    25. 

  25. 

  26. #include "cifsglob.h"
    27. 

  27. 

  28. #ifdef CONFIG_CIFS_FSCACHE
    29. 

  29. 

  30. extern struct fscache_netfs cifs_fscache_netfs;
    31. 

  31. extern const struct fscache_cookie_def cifs_fscache_server_index_def;
    32. 

  32. extern const struct fscache_cookie_def cifs_fscache_super_index_def;
    33. 

  33. extern const struct fscache_cookie_def cifs_fscache_inode_object_def;
    34. 

  34. 

  35. 

  36. extern int cifs_fscache_register(void);
    37. 

  37. extern void cifs_fscache_unregister(void);
    38. 

  38. 

  39. /*
    40. 

  40.  * fscache.c
    41. 

  41.  */
    42. 

  42. extern void cifs_fscache_get_client_cookie(struct TCP_Server_Info *);
    43. 

  43. extern void cifs_fscache_release_client_cookie(struct TCP_Server_Info *);
    44. 

  44. extern void cifs_fscache_get_super_cookie(struct cifsTconInfo *);
    45. 

  45. extern void cifs_fscache_release_super_cookie(struct cifsTconInfo *);
    46. 

  46. 

  47. extern void cifs_fscache_release_inode_cookie(struct inode *);
    48. 

  48. extern void cifs_fscache_set_inode_cookie(struct inode *, struct file *);
    49. 

  49. extern void cifs_fscache_reset_inode_cookie(struct inode *);
    50. 

  50. 

  51. #else /* CONFIG_CIFS_FSCACHE */
    52. 

  52. static inline int cifs_fscache_register(void) { return 0; }
    53. 

  53. static inline void cifs_fscache_unregister(void) {}
    54. 

  54. 

  55. static inline void
    56. 

  56. cifs_fscache_get_client_cookie(struct TCP_Server_Info *server) {}
    57. 

  57. static inline void
    58. 

  58. cifs_fscache_get_client_cookie(struct TCP_Server_Info *server); {}
    59. 

  59. static inline void cifs_fscache_get_super_cookie(struct cifsTconInfo *tcon) {}
    60. 

  60. static inline void
    61. 

  61. cifs_fscache_release_super_cookie(struct cifsTconInfo *tcon) {}
    62. 

  62. 

  63. static inline void cifs_fscache_release_inode_cookie(struct inode *inode) {}
    64. 

  64. static inline void cifs_fscache_set_inode_cookie(struct inode *inode,
    65. 

  65. 						 struct file *filp) {}
    66. 

  66. static inline void cifs_fscache_reset_inode_cookie(struct inode *inode) {}
    67. 

  67. 

  68. 

  69. #endif /* CONFIG_CIFS_FSCACHE */
    70. 

  70. 

  71. #endif /* _CIFS_FSCACHE_H */
    72.