fs/reiser4/plugin/plugin_set.h

   1 /* Copyright 2001, 2002, 2003 by Hans Reiser, licensing governed by
   2  * reiser4/README */
   3
   4 /* Reiser4 plugin set definition.
   5    See fs/reiser4/plugin/plugin_set.c for details */
   6
   7 #if !defined(__PLUGIN_SET_H__)
   8 #define __PLUGIN_SET_H__
   9
  10 #include "../type_safe_hash.h"
  11 #include "plugin.h"
  12
  13 #include <linux/rcupdate.h>
  14
  15 struct plugin_set;
  16 typedef struct plugin_set plugin_set;
  17
  18 TYPE_SAFE_HASH_DECLARE(ps, plugin_set);
  19
  20 struct plugin_set {
  21         unsigned long hashval;
  22         /* plugin of file */
  23         file_plugin *file;
  24         /* plugin of dir */
  25         dir_plugin *dir;
  26         /* perm plugin for this file */
  27         perm_plugin *perm;
  28         /* tail policy plugin. Only meaningful for regular files */
  29         formatting_plugin *formatting;
  30         /* hash plugin. Only meaningful for directories. */
  31         hash_plugin *hash;
  32         /* fibration plugin. Only meaningful for directories. */
  33         fibration_plugin *fibration;
  34         /* plugin of stat-data */
  35         item_plugin *sd;
  36         /* plugin of items a directory is built of */
  37         item_plugin *dir_item;
  38         /* cipher plugin */
  39         cipher_plugin *cipher;
  40         /* digest plugin */
  41         digest_plugin *digest;
  42         /* compression plugin */
  43         compression_plugin *compression;
  44         /* compression mode plugin */
  45         compression_mode_plugin *compression_mode;
  46         /* cluster plugin */
  47         cluster_plugin *cluster;
  48         /* this specifies file plugin of regular children.
  49            only meaningful for directories */
  50         file_plugin *create;
  51         ps_hash_link link;
  52 };
  53
  54 extern plugin_set *plugin_set_get_empty(void);
  55 extern void plugin_set_put(plugin_set * set);
  56
  57 extern int init_plugin_set(void);
  58 extern void done_plugin_set(void);
  59
  60 extern reiser4_plugin *aset_get(plugin_set * set, pset_member memb);
  61 extern int set_plugin(plugin_set ** set, pset_member memb,
  62                       reiser4_plugin * plugin);
  63 extern int aset_set_unsafe(plugin_set ** set, pset_member memb,
  64                            reiser4_plugin * plugin);
  65 extern reiser4_plugin_type aset_member_to_type_unsafe(pset_member memb);
  66
  67 /* __PLUGIN_SET_H__ */
  68 #endif
  69
  70 /* Make Linus happy.
  71    Local variables:
  72    c-indentation-style: "K&R"
  73    mode-name: "LC"
  74    c-basic-offset: 8
  75    tab-width: 8
  76    fill-column: 120
  77    End:
  78 */