2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
3 * Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
5 * This copyrighted material is made available to anyone wishing to use,
6 * modify, copy, or redistribute it subject to the terms and conditions
7 * of the GNU General Public License v.2.
10 #include <linux/sched.h>
11 #include <linux/slab.h>
12 #include <linux/spinlock.h>
13 #include <linux/completion.h>
14 #include <linux/buffer_head.h>
15 #include <linux/module.h>
16 #include <linux/init.h>
17 #include <linux/gfs2_ondisk.h>
20 #include "lm_interface.h"
22 #include "ops_fstype.h"
27 * init_gfs2_fs - Register GFS2 as a filesystem
29 * Returns: 0 on success, error code on failure
32 static int __init init_gfs2_fs(void)
38 error = gfs2_sys_init();
44 gfs2_glock_cachep = kmem_cache_create("gfs2_glock",
45 sizeof(struct gfs2_glock),
47 if (!gfs2_glock_cachep)
50 gfs2_inode_cachep = kmem_cache_create("gfs2_inode",
51 sizeof(struct gfs2_inode),
53 if (!gfs2_inode_cachep)
56 gfs2_bufdata_cachep = kmem_cache_create("gfs2_bufdata",
57 sizeof(struct gfs2_bufdata),
59 if (!gfs2_bufdata_cachep)
62 error = register_filesystem(&gfs2_fs_type);
66 error = register_filesystem(&gfs2meta_fs_type);
70 printk("GFS2 (built %s %s) installed\n", __DATE__, __TIME__);
75 unregister_filesystem(&gfs2_fs_type);
77 if (gfs2_bufdata_cachep)
78 kmem_cache_destroy(gfs2_bufdata_cachep);
80 if (gfs2_inode_cachep)
81 kmem_cache_destroy(gfs2_inode_cachep);
83 if (gfs2_glock_cachep)
84 kmem_cache_destroy(gfs2_glock_cachep);
91 * exit_gfs2_fs - Unregister the file system
95 static void __exit exit_gfs2_fs(void)
97 unregister_filesystem(&gfs2_fs_type);
98 unregister_filesystem(&gfs2meta_fs_type);
100 kmem_cache_destroy(gfs2_bufdata_cachep);
101 kmem_cache_destroy(gfs2_inode_cachep);
102 kmem_cache_destroy(gfs2_glock_cachep);
107 MODULE_DESCRIPTION("Global File System");
108 MODULE_AUTHOR("Red Hat, Inc.");
109 MODULE_LICENSE("GPL");
111 module_init(init_gfs2_fs);
112 module_exit(exit_gfs2_fs);