main.c (b7e56edba4b02f2079042c326a8cd72a44635817) main.c (009d851837ab26cab18adda6169a813f70b0b21b)
1/*
2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
3 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
4 *
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 version 2.
8 */

--- 38 unchanged lines hidden (view full) ---

47 INIT_HLIST_NODE(&gl->gl_list);
48 spin_lock_init(&gl->gl_spin);
49 INIT_LIST_HEAD(&gl->gl_holders);
50 INIT_LIST_HEAD(&gl->gl_lru);
51 INIT_LIST_HEAD(&gl->gl_ail_list);
52 atomic_set(&gl->gl_ail_count, 0);
53}
54
1/*
2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
3 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
4 *
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 version 2.
8 */

--- 38 unchanged lines hidden (view full) ---

47 INIT_HLIST_NODE(&gl->gl_list);
48 spin_lock_init(&gl->gl_spin);
49 INIT_LIST_HEAD(&gl->gl_holders);
50 INIT_LIST_HEAD(&gl->gl_lru);
51 INIT_LIST_HEAD(&gl->gl_ail_list);
52 atomic_set(&gl->gl_ail_count, 0);
53}
54
55static void gfs2_init_gl_aspace_once(void *foo)
56{
57 struct gfs2_glock *gl = foo;
58 struct address_space *mapping = (struct address_space *)(gl + 1);
59
60 gfs2_init_glock_once(gl);
61 memset(mapping, 0, sizeof(*mapping));
62 INIT_RADIX_TREE(&mapping->page_tree, GFP_ATOMIC);
63 spin_lock_init(&mapping->tree_lock);
64 spin_lock_init(&mapping->i_mmap_lock);
65 INIT_LIST_HEAD(&mapping->private_list);
66 spin_lock_init(&mapping->private_lock);
67 INIT_RAW_PRIO_TREE_ROOT(&mapping->i_mmap);
68 INIT_LIST_HEAD(&mapping->i_mmap_nonlinear);
69}
70
55/**
56 * init_gfs2_fs - Register GFS2 as a filesystem
57 *
58 * Returns: 0 on success, error code on failure
59 */
60
61static int __init init_gfs2_fs(void)
62{

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73 error = -ENOMEM;
74 gfs2_glock_cachep = kmem_cache_create("gfs2_glock",
75 sizeof(struct gfs2_glock),
76 0, 0,
77 gfs2_init_glock_once);
78 if (!gfs2_glock_cachep)
79 goto fail;
80
71/**
72 * init_gfs2_fs - Register GFS2 as a filesystem
73 *
74 * Returns: 0 on success, error code on failure
75 */
76
77static int __init init_gfs2_fs(void)
78{

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89 error = -ENOMEM;
90 gfs2_glock_cachep = kmem_cache_create("gfs2_glock",
91 sizeof(struct gfs2_glock),
92 0, 0,
93 gfs2_init_glock_once);
94 if (!gfs2_glock_cachep)
95 goto fail;
96
97 gfs2_glock_aspace_cachep = kmem_cache_create("gfs2_glock (aspace)",
98 sizeof(struct gfs2_glock) +
99 sizeof(struct address_space),
100 0, 0, gfs2_init_gl_aspace_once);
101
102 if (!gfs2_glock_aspace_cachep)
103 goto fail;
104
81 gfs2_inode_cachep = kmem_cache_create("gfs2_inode",
82 sizeof(struct gfs2_inode),
83 0, SLAB_RECLAIM_ACCOUNT|
84 SLAB_MEM_SPREAD,
85 gfs2_init_inode_once);
86 if (!gfs2_inode_cachep)
87 goto fail;
88

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139 kmem_cache_destroy(gfs2_rgrpd_cachep);
140
141 if (gfs2_bufdata_cachep)
142 kmem_cache_destroy(gfs2_bufdata_cachep);
143
144 if (gfs2_inode_cachep)
145 kmem_cache_destroy(gfs2_inode_cachep);
146
105 gfs2_inode_cachep = kmem_cache_create("gfs2_inode",
106 sizeof(struct gfs2_inode),
107 0, SLAB_RECLAIM_ACCOUNT|
108 SLAB_MEM_SPREAD,
109 gfs2_init_inode_once);
110 if (!gfs2_inode_cachep)
111 goto fail;
112

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163 kmem_cache_destroy(gfs2_rgrpd_cachep);
164
165 if (gfs2_bufdata_cachep)
166 kmem_cache_destroy(gfs2_bufdata_cachep);
167
168 if (gfs2_inode_cachep)
169 kmem_cache_destroy(gfs2_inode_cachep);
170
171 if (gfs2_glock_aspace_cachep)
172 kmem_cache_destroy(gfs2_glock_aspace_cachep);
173
147 if (gfs2_glock_cachep)
148 kmem_cache_destroy(gfs2_glock_cachep);
149
150 gfs2_sys_uninit();
151 return error;
152}
153
154/**

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164 unregister_filesystem(&gfs2_fs_type);
165 unregister_filesystem(&gfs2meta_fs_type);
166 slow_work_unregister_user(THIS_MODULE);
167
168 kmem_cache_destroy(gfs2_quotad_cachep);
169 kmem_cache_destroy(gfs2_rgrpd_cachep);
170 kmem_cache_destroy(gfs2_bufdata_cachep);
171 kmem_cache_destroy(gfs2_inode_cachep);
174 if (gfs2_glock_cachep)
175 kmem_cache_destroy(gfs2_glock_cachep);
176
177 gfs2_sys_uninit();
178 return error;
179}
180
181/**

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191 unregister_filesystem(&gfs2_fs_type);
192 unregister_filesystem(&gfs2meta_fs_type);
193 slow_work_unregister_user(THIS_MODULE);
194
195 kmem_cache_destroy(gfs2_quotad_cachep);
196 kmem_cache_destroy(gfs2_rgrpd_cachep);
197 kmem_cache_destroy(gfs2_bufdata_cachep);
198 kmem_cache_destroy(gfs2_inode_cachep);
199 kmem_cache_destroy(gfs2_glock_aspace_cachep);
172 kmem_cache_destroy(gfs2_glock_cachep);
173
174 gfs2_sys_uninit();
175}
176
177MODULE_DESCRIPTION("Global File System");
178MODULE_AUTHOR("Red Hat, Inc.");
179MODULE_LICENSE("GPL");
180
181module_init(init_gfs2_fs);
182module_exit(exit_gfs2_fs);
183
200 kmem_cache_destroy(gfs2_glock_cachep);
201
202 gfs2_sys_uninit();
203}
204
205MODULE_DESCRIPTION("Global File System");
206MODULE_AUTHOR("Red Hat, Inc.");
207MODULE_LICENSE("GPL");
208
209module_init(init_gfs2_fs);
210module_exit(exit_gfs2_fs);
211