1 /* General filesystem local caching manager
3 * Copyright (C) 2004-2007 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
12 #define FSCACHE_DEBUG_LEVEL CACHE
13 #include <linux/module.h>
14 #include <linux/init.h>
15 #include <linux/sched.h>
16 #include <linux/completion.h>
17 #include <linux/slab.h>
20 MODULE_DESCRIPTION("FS Cache Manager");
21 MODULE_AUTHOR("Red Hat, Inc.");
22 MODULE_LICENSE("GPL");
24 unsigned fscache_defer_lookup = 1;
25 module_param_named(defer_lookup, fscache_defer_lookup, uint,
27 MODULE_PARM_DESC(fscache_defer_lookup,
28 "Defer cookie lookup to background thread");
30 unsigned fscache_defer_create = 1;
31 module_param_named(defer_create, fscache_defer_create, uint,
33 MODULE_PARM_DESC(fscache_defer_create,
34 "Defer cookie creation to background thread");
36 unsigned fscache_debug;
37 module_param_named(debug, fscache_debug, uint,
39 MODULE_PARM_DESC(fscache_debug,
40 "FS-Cache debugging mask");
42 struct kobject *fscache_root;
45 * initialise the fs caching module
47 static int __init fscache_init(void)
51 ret = slow_work_register_user();
55 ret = fscache_proc_init();
59 fscache_root = kobject_create_and_add("fscache", kernel_kobj);
63 printk(KERN_NOTICE "FS-Cache: Loaded\n");
67 fscache_proc_cleanup();
69 slow_work_unregister_user();
74 fs_initcall(fscache_init);
77 * clean up on module removal
79 static void __exit fscache_exit(void)
83 kobject_put(fscache_root);
84 fscache_proc_cleanup();
85 slow_work_unregister_user();
86 printk(KERN_NOTICE "FS-Cache: Unloaded\n");
89 module_exit(fscache_exit);