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