Root/fs/befs/debug.c

1/*
2 * linux/fs/befs/debug.c
3 *
4 * Copyright (C) 2001 Will Dyson (will_dyson at pobox.com)
5 *
6 * With help from the ntfs-tng driver by Anton Altparmakov
7 *
8 * Copyright (C) 1999 Makoto Kato (m_kato@ga2.so-net.ne.jp)
9 *
10 * debug functions
11 */
12
13#ifdef __KERNEL__
14
15#include <stdarg.h>
16#include <linux/string.h>
17#include <linux/spinlock.h>
18#include <linux/kernel.h>
19#include <linux/fs.h>
20#include <linux/slab.h>
21
22#endif /* __KERNEL__ */
23
24#include "befs.h"
25
26#define ERRBUFSIZE 1024
27
28void
29befs_error(const struct super_block *sb, const char *fmt, ...)
30{
31    va_list args;
32    char *err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL);
33    if (err_buf == NULL) {
34        printk(KERN_ERR "could not allocate %d bytes\n", ERRBUFSIZE);
35        return;
36    }
37
38    va_start(args, fmt);
39    vsnprintf(err_buf, ERRBUFSIZE, fmt, args);
40    va_end(args);
41
42    printk(KERN_ERR "BeFS(%s): %s\n", sb->s_id, err_buf);
43    kfree(err_buf);
44}
45
46void
47befs_warning(const struct super_block *sb, const char *fmt, ...)
48{
49    va_list args;
50    char *err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL);
51    if (err_buf == NULL) {
52        printk(KERN_ERR "could not allocate %d bytes\n", ERRBUFSIZE);
53        return;
54    }
55
56    va_start(args, fmt);
57    vsnprintf(err_buf, ERRBUFSIZE, fmt, args);
58    va_end(args);
59
60    printk(KERN_WARNING "BeFS(%s): %s\n", sb->s_id, err_buf);
61
62    kfree(err_buf);
63}
64
65void
66befs_debug(const struct super_block *sb, const char *fmt, ...)
67{
68#ifdef CONFIG_BEFS_DEBUG
69
70    va_list args;
71    char *err_buf = NULL;
72
73    if (BEFS_SB(sb)->mount_opts.debug) {
74        err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL);
75        if (err_buf == NULL) {
76            printk(KERN_ERR "could not allocate %d bytes\n",
77                ERRBUFSIZE);
78            return;
79        }
80
81        va_start(args, fmt);
82        vsnprintf(err_buf, ERRBUFSIZE, fmt, args);
83        va_end(args);
84
85        printk(KERN_DEBUG "BeFS(%s): %s\n", sb->s_id, err_buf);
86
87        kfree(err_buf);
88    }
89
90#endif //CONFIG_BEFS_DEBUG
91}
92
93void
94befs_dump_inode(const struct super_block *sb, befs_inode * inode)
95{
96#ifdef CONFIG_BEFS_DEBUG
97
98    befs_block_run tmp_run;
99
100    befs_debug(sb, "befs_inode information");
101
102    befs_debug(sb, " magic1 %08x", fs32_to_cpu(sb, inode->magic1));
103
104    tmp_run = fsrun_to_cpu(sb, inode->inode_num);
105    befs_debug(sb, " inode_num %u, %hu, %hu",
106           tmp_run.allocation_group, tmp_run.start, tmp_run.len);
107
108    befs_debug(sb, " uid %u", fs32_to_cpu(sb, inode->uid));
109    befs_debug(sb, " gid %u", fs32_to_cpu(sb, inode->gid));
110    befs_debug(sb, " mode %08x", fs32_to_cpu(sb, inode->mode));
111    befs_debug(sb, " flags %08x", fs32_to_cpu(sb, inode->flags));
112    befs_debug(sb, " create_time %Lu",
113           fs64_to_cpu(sb, inode->create_time));
114    befs_debug(sb, " last_modified_time %Lu",
115           fs64_to_cpu(sb, inode->last_modified_time));
116
117    tmp_run = fsrun_to_cpu(sb, inode->parent);
118    befs_debug(sb, " parent [%u, %hu, %hu]",
119           tmp_run.allocation_group, tmp_run.start, tmp_run.len);
120
121    tmp_run = fsrun_to_cpu(sb, inode->attributes);
122    befs_debug(sb, " attributes [%u, %hu, %hu]",
123           tmp_run.allocation_group, tmp_run.start, tmp_run.len);
124
125    befs_debug(sb, " type %08x", fs32_to_cpu(sb, inode->type));
126    befs_debug(sb, " inode_size %u", fs32_to_cpu(sb, inode->inode_size));
127
128    if (S_ISLNK(fs32_to_cpu(sb, inode->mode))) {
129        befs_debug(sb, " Symbolic link [%s]", inode->data.symlink);
130    } else {
131        int i;
132
133        for (i = 0; i < BEFS_NUM_DIRECT_BLOCKS; i++) {
134            tmp_run =
135                fsrun_to_cpu(sb, inode->data.datastream.direct[i]);
136            befs_debug(sb, " direct %d [%u, %hu, %hu]", i,
137                   tmp_run.allocation_group, tmp_run.start,
138                   tmp_run.len);
139        }
140        befs_debug(sb, " max_direct_range %Lu",
141               fs64_to_cpu(sb,
142                       inode->data.datastream.
143                       max_direct_range));
144
145        tmp_run = fsrun_to_cpu(sb, inode->data.datastream.indirect);
146        befs_debug(sb, " indirect [%u, %hu, %hu]",
147               tmp_run.allocation_group,
148               tmp_run.start, tmp_run.len);
149
150        befs_debug(sb, " max_indirect_range %Lu",
151               fs64_to_cpu(sb,
152                       inode->data.datastream.
153                       max_indirect_range));
154
155        tmp_run =
156            fsrun_to_cpu(sb, inode->data.datastream.double_indirect);
157        befs_debug(sb, " double indirect [%u, %hu, %hu]",
158               tmp_run.allocation_group, tmp_run.start,
159               tmp_run.len);
160
161        befs_debug(sb, " max_double_indirect_range %Lu",
162               fs64_to_cpu(sb,
163                       inode->data.datastream.
164                       max_double_indirect_range));
165
166        befs_debug(sb, " size %Lu",
167               fs64_to_cpu(sb, inode->data.datastream.size));
168    }
169
170#endif //CONFIG_BEFS_DEBUG
171}
172
173/*
174 * Display super block structure for debug.
175 */
176
177void
178befs_dump_super_block(const struct super_block *sb, befs_super_block * sup)
179{
180#ifdef CONFIG_BEFS_DEBUG
181
182    befs_block_run tmp_run;
183
184    befs_debug(sb, "befs_super_block information");
185
186    befs_debug(sb, " name %s", sup->name);
187    befs_debug(sb, " magic1 %08x", fs32_to_cpu(sb, sup->magic1));
188    befs_debug(sb, " fs_byte_order %08x",
189           fs32_to_cpu(sb, sup->fs_byte_order));
190
191    befs_debug(sb, " block_size %u", fs32_to_cpu(sb, sup->block_size));
192    befs_debug(sb, " block_shift %u", fs32_to_cpu(sb, sup->block_shift));
193
194    befs_debug(sb, " num_blocks %Lu", fs64_to_cpu(sb, sup->num_blocks));
195    befs_debug(sb, " used_blocks %Lu", fs64_to_cpu(sb, sup->used_blocks));
196
197    befs_debug(sb, " magic2 %08x", fs32_to_cpu(sb, sup->magic2));
198    befs_debug(sb, " blocks_per_ag %u",
199           fs32_to_cpu(sb, sup->blocks_per_ag));
200    befs_debug(sb, " ag_shift %u", fs32_to_cpu(sb, sup->ag_shift));
201    befs_debug(sb, " num_ags %u", fs32_to_cpu(sb, sup->num_ags));
202
203    befs_debug(sb, " flags %08x", fs32_to_cpu(sb, sup->flags));
204
205    tmp_run = fsrun_to_cpu(sb, sup->log_blocks);
206    befs_debug(sb, " log_blocks %u, %hu, %hu",
207           tmp_run.allocation_group, tmp_run.start, tmp_run.len);
208
209    befs_debug(sb, " log_start %Ld", fs64_to_cpu(sb, sup->log_start));
210    befs_debug(sb, " log_end %Ld", fs64_to_cpu(sb, sup->log_end));
211
212    befs_debug(sb, " magic3 %08x", fs32_to_cpu(sb, sup->magic3));
213
214    tmp_run = fsrun_to_cpu(sb, sup->root_dir);
215    befs_debug(sb, " root_dir %u, %hu, %hu",
216           tmp_run.allocation_group, tmp_run.start, tmp_run.len);
217
218    tmp_run = fsrun_to_cpu(sb, sup->indices);
219    befs_debug(sb, " indices %u, %hu, %hu",
220           tmp_run.allocation_group, tmp_run.start, tmp_run.len);
221
222#endif //CONFIG_BEFS_DEBUG
223}
224
225#if 0
226/* unused */
227void
228befs_dump_small_data(const struct super_block *sb, befs_small_data * sd)
229{
230}
231
232/* unused */
233void
234befs_dump_run(const struct super_block *sb, befs_disk_block_run run)
235{
236#ifdef CONFIG_BEFS_DEBUG
237
238    befs_block_run n = fsrun_to_cpu(sb, run);
239
240    befs_debug(sb, "[%u, %hu, %hu]", n.allocation_group, n.start, n.len);
241
242#endif //CONFIG_BEFS_DEBUG
243}
244#endif /* 0 */
245
246void
247befs_dump_index_entry(const struct super_block *sb, befs_disk_btree_super * super)
248{
249#ifdef CONFIG_BEFS_DEBUG
250
251    befs_debug(sb, "Btree super structure");
252    befs_debug(sb, " magic %08x", fs32_to_cpu(sb, super->magic));
253    befs_debug(sb, " node_size %u", fs32_to_cpu(sb, super->node_size));
254    befs_debug(sb, " max_depth %08x", fs32_to_cpu(sb, super->max_depth));
255
256    befs_debug(sb, " data_type %08x", fs32_to_cpu(sb, super->data_type));
257    befs_debug(sb, " root_node_pointer %016LX",
258           fs64_to_cpu(sb, super->root_node_ptr));
259    befs_debug(sb, " free_node_pointer %016LX",
260           fs64_to_cpu(sb, super->free_node_ptr));
261    befs_debug(sb, " maximum size %016LX",
262           fs64_to_cpu(sb, super->max_size));
263
264#endif //CONFIG_BEFS_DEBUG
265}
266
267void
268befs_dump_index_node(const struct super_block *sb, befs_btree_nodehead * node)
269{
270#ifdef CONFIG_BEFS_DEBUG
271
272    befs_debug(sb, "Btree node structure");
273    befs_debug(sb, " left %016LX", fs64_to_cpu(sb, node->left));
274    befs_debug(sb, " right %016LX", fs64_to_cpu(sb, node->right));
275    befs_debug(sb, " overflow %016LX", fs64_to_cpu(sb, node->overflow));
276    befs_debug(sb, " all_key_count %hu",
277           fs16_to_cpu(sb, node->all_key_count));
278    befs_debug(sb, " all_key_length %hu",
279           fs16_to_cpu(sb, node->all_key_length));
280
281#endif //CONFIG_BEFS_DEBUG
282}
283

Archive Download this file



interactive