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>
18 #include <asm/semaphore.h>
21 #include "lm_interface.h"
23 #include "ops_fstype.h"
28 * init_gfs2_fs - Register GFS2 as a filesystem
30 * Returns: 0 on success, error code on failure
33 static int __init init_gfs2_fs(void)
39 error = gfs2_sys_init();
45 gfs2_glock_cachep = kmem_cache_create("gfs2_glock",
46 sizeof(struct gfs2_glock),
48 if (!gfs2_glock_cachep)
51 gfs2_inode_cachep = kmem_cache_create("gfs2_inode",
52 sizeof(struct gfs2_inode),
54 if (!gfs2_inode_cachep)
57 gfs2_bufdata_cachep = kmem_cache_create("gfs2_bufdata",
58 sizeof(struct gfs2_bufdata),
60 if (!gfs2_bufdata_cachep)
63 error = register_filesystem(&gfs2_fs_type);
67 error = register_filesystem(&gfs2meta_fs_type);
71 printk("GFS2 (built %s %s) installed\n", __DATE__, __TIME__);
76 unregister_filesystem(&gfs2_fs_type);
78 if (gfs2_bufdata_cachep)
79 kmem_cache_destroy(gfs2_bufdata_cachep);
81 if (gfs2_inode_cachep)
82 kmem_cache_destroy(gfs2_inode_cachep);
84 if (gfs2_glock_cachep)
85 kmem_cache_destroy(gfs2_glock_cachep);
92 * exit_gfs2_fs - Unregister the file system
96 static void __exit exit_gfs2_fs(void)
98 unregister_filesystem(&gfs2_fs_type);
99 unregister_filesystem(&gfs2meta_fs_type);
101 kmem_cache_destroy(gfs2_bufdata_cachep);
102 kmem_cache_destroy(gfs2_inode_cachep);
103 kmem_cache_destroy(gfs2_glock_cachep);
108 MODULE_DESCRIPTION("Global File System");
109 MODULE_AUTHOR("Red Hat, Inc.");
110 MODULE_LICENSE("GPL");
112 module_init(init_gfs2_fs);
113 module_exit(exit_gfs2_fs);