[MTD] Fix printk format error in gen_probe.c
[linux-3.10.git] / fs / jffs2 / malloc.c
1 /*
2  * JFFS2 -- Journalling Flash File System, Version 2.
3  *
4  * Copyright (C) 2001-2003 Red Hat, Inc.
5  *
6  * Created by David Woodhouse <dwmw2@infradead.org>
7  *
8  * For licensing information, see the file 'LICENCE' in this directory.
9  *
10  * $Id: malloc.c,v 1.31 2005/11/07 11:14:40 gleixner Exp $
11  *
12  */
13
14 #include <linux/kernel.h>
15 #include <linux/slab.h>
16 #include <linux/init.h>
17 #include <linux/jffs2.h>
18 #include "nodelist.h"
19
20 /* These are initialised to NULL in the kernel startup code.
21    If you're porting to other operating systems, beware */
22 static kmem_cache_t *full_dnode_slab;
23 static kmem_cache_t *raw_dirent_slab;
24 static kmem_cache_t *raw_inode_slab;
25 static kmem_cache_t *tmp_dnode_info_slab;
26 static kmem_cache_t *raw_node_ref_slab;
27 static kmem_cache_t *node_frag_slab;
28 static kmem_cache_t *inode_cache_slab;
29
30 int __init jffs2_create_slab_caches(void)
31 {
32         full_dnode_slab = kmem_cache_create("jffs2_full_dnode",
33                                             sizeof(struct jffs2_full_dnode),
34                                             0, 0, NULL, NULL);
35         if (!full_dnode_slab)
36                 goto err;
37
38         raw_dirent_slab = kmem_cache_create("jffs2_raw_dirent",
39                                             sizeof(struct jffs2_raw_dirent),
40                                             0, 0, NULL, NULL);
41         if (!raw_dirent_slab)
42                 goto err;
43
44         raw_inode_slab = kmem_cache_create("jffs2_raw_inode",
45                                            sizeof(struct jffs2_raw_inode),
46                                            0, 0, NULL, NULL);
47         if (!raw_inode_slab)
48                 goto err;
49
50         tmp_dnode_info_slab = kmem_cache_create("jffs2_tmp_dnode",
51                                                 sizeof(struct jffs2_tmp_dnode_info),
52                                                 0, 0, NULL, NULL);
53         if (!tmp_dnode_info_slab)
54                 goto err;
55
56         raw_node_ref_slab = kmem_cache_create("jffs2_raw_node_ref",
57                                               sizeof(struct jffs2_raw_node_ref),
58                                               0, 0, NULL, NULL);
59         if (!raw_node_ref_slab)
60                 goto err;
61
62         node_frag_slab = kmem_cache_create("jffs2_node_frag",
63                                            sizeof(struct jffs2_node_frag),
64                                            0, 0, NULL, NULL);
65         if (!node_frag_slab)
66                 goto err;
67
68         inode_cache_slab = kmem_cache_create("jffs2_inode_cache",
69                                              sizeof(struct jffs2_inode_cache),
70                                              0, 0, NULL, NULL);
71         if (inode_cache_slab)
72                 return 0;
73  err:
74         jffs2_destroy_slab_caches();
75         return -ENOMEM;
76 }
77
78 void jffs2_destroy_slab_caches(void)
79 {
80         if(full_dnode_slab)
81                 kmem_cache_destroy(full_dnode_slab);
82         if(raw_dirent_slab)
83                 kmem_cache_destroy(raw_dirent_slab);
84         if(raw_inode_slab)
85                 kmem_cache_destroy(raw_inode_slab);
86         if(tmp_dnode_info_slab)
87                 kmem_cache_destroy(tmp_dnode_info_slab);
88         if(raw_node_ref_slab)
89                 kmem_cache_destroy(raw_node_ref_slab);
90         if(node_frag_slab)
91                 kmem_cache_destroy(node_frag_slab);
92         if(inode_cache_slab)
93                 kmem_cache_destroy(inode_cache_slab);
94 }
95
96 struct jffs2_full_dirent *jffs2_alloc_full_dirent(int namesize)
97 {
98         struct jffs2_full_dirent *ret;
99         ret = kmalloc(sizeof(struct jffs2_full_dirent) + namesize, GFP_KERNEL);
100         dbg_memalloc("%p\n", ret);
101         return ret;
102 }
103
104 void jffs2_free_full_dirent(struct jffs2_full_dirent *x)
105 {
106         dbg_memalloc("%p\n", x);
107         kfree(x);
108 }
109
110 struct jffs2_full_dnode *jffs2_alloc_full_dnode(void)
111 {
112         struct jffs2_full_dnode *ret;
113         ret = kmem_cache_alloc(full_dnode_slab, GFP_KERNEL);
114         dbg_memalloc("%p\n", ret);
115         return ret;
116 }
117
118 void jffs2_free_full_dnode(struct jffs2_full_dnode *x)
119 {
120         dbg_memalloc("%p\n", x);
121         kmem_cache_free(full_dnode_slab, x);
122 }
123
124 struct jffs2_raw_dirent *jffs2_alloc_raw_dirent(void)
125 {
126         struct jffs2_raw_dirent *ret;
127         ret = kmem_cache_alloc(raw_dirent_slab, GFP_KERNEL);
128         dbg_memalloc("%p\n", ret);
129         return ret;
130 }
131
132 void jffs2_free_raw_dirent(struct jffs2_raw_dirent *x)
133 {
134         dbg_memalloc("%p\n", x);
135         kmem_cache_free(raw_dirent_slab, x);
136 }
137
138 struct jffs2_raw_inode *jffs2_alloc_raw_inode(void)
139 {
140         struct jffs2_raw_inode *ret;
141         ret = kmem_cache_alloc(raw_inode_slab, GFP_KERNEL);
142         dbg_memalloc("%p\n", ret);
143         return ret;
144 }
145
146 void jffs2_free_raw_inode(struct jffs2_raw_inode *x)
147 {
148         dbg_memalloc("%p\n", x);
149         kmem_cache_free(raw_inode_slab, x);
150 }
151
152 struct jffs2_tmp_dnode_info *jffs2_alloc_tmp_dnode_info(void)
153 {
154         struct jffs2_tmp_dnode_info *ret;
155         ret = kmem_cache_alloc(tmp_dnode_info_slab, GFP_KERNEL);
156         dbg_memalloc("%p\n",
157                 ret);
158         return ret;
159 }
160
161 void jffs2_free_tmp_dnode_info(struct jffs2_tmp_dnode_info *x)
162 {
163         dbg_memalloc("%p\n", x);
164         kmem_cache_free(tmp_dnode_info_slab, x);
165 }
166
167 struct jffs2_raw_node_ref *jffs2_alloc_raw_node_ref(void)
168 {
169         struct jffs2_raw_node_ref *ret;
170         ret = kmem_cache_alloc(raw_node_ref_slab, GFP_KERNEL);
171         dbg_memalloc("%p\n", ret);
172         return ret;
173 }
174
175 void jffs2_free_raw_node_ref(struct jffs2_raw_node_ref *x)
176 {
177         dbg_memalloc("%p\n", x);
178         kmem_cache_free(raw_node_ref_slab, x);
179 }
180
181 struct jffs2_node_frag *jffs2_alloc_node_frag(void)
182 {
183         struct jffs2_node_frag *ret;
184         ret = kmem_cache_alloc(node_frag_slab, GFP_KERNEL);
185         dbg_memalloc("%p\n", ret);
186         return ret;
187 }
188
189 void jffs2_free_node_frag(struct jffs2_node_frag *x)
190 {
191         dbg_memalloc("%p\n", x);
192         kmem_cache_free(node_frag_slab, x);
193 }
194
195 struct jffs2_inode_cache *jffs2_alloc_inode_cache(void)
196 {
197         struct jffs2_inode_cache *ret;
198         ret = kmem_cache_alloc(inode_cache_slab, GFP_KERNEL);
199         dbg_memalloc("%p\n", ret);
200         return ret;
201 }
202
203 void jffs2_free_inode_cache(struct jffs2_inode_cache *x)
204 {
205         dbg_memalloc("%p\n", x);
206         kmem_cache_free(inode_cache_slab, x);
207 }