fs/reiser4/plugin/plugin_set.h

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