[net-next-2.6.git] / fs / befs / debug.c

/*
 *  linux/fs/befs/debug.c
 * 
 * Copyright (C) 2001 Will Dyson (will_dyson at pobox.com)
 *
 * With help from the ntfs-tng driver by Anton Altparmakov
 *
 * Copyright (C) 1999  Makoto Kato (m_kato@ga2.so-net.ne.jp)
 *
 * debug functions
 */

#ifdef __KERNEL__

#include <stdarg.h>
#include <linux/string.h>
#include <linux/spinlock.h>
#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/slab.h>

#endif				/* __KERNEL__ */

#include "befs.h"

#define ERRBUFSIZE 1024

void
befs_error(const struct super_block *sb, const char *fmt, ...)
{
	va_list args;
	char *err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL);
	if (err_buf == NULL) {
		printk(KERN_ERR "could not allocate %d bytes\n", ERRBUFSIZE);
		return;
	}

	va_start(args, fmt);
	vsnprintf(err_buf, ERRBUFSIZE, fmt, args);
	va_end(args);

	printk(KERN_ERR "BeFS(%s): %s\n", sb->s_id, err_buf);
	kfree(err_buf);
}

void
befs_warning(const struct super_block *sb, const char *fmt, ...)
{
	va_list args;
	char *err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL);
	if (err_buf == NULL) {
		printk(KERN_ERR "could not allocate %d bytes\n", ERRBUFSIZE);
		return;
	}

	va_start(args, fmt);
	vsnprintf(err_buf, ERRBUFSIZE, fmt, args);
	va_end(args);

	printk(KERN_WARNING "BeFS(%s): %s\n", sb->s_id, err_buf);

	kfree(err_buf);
}

void
befs_debug(const struct super_block *sb, const char *fmt, ...)
{
#ifdef CONFIG_BEFS_DEBUG

	va_list args;
	char *err_buf = NULL;

	if (BEFS_SB(sb)->mount_opts.debug) {
		err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL);
		if (err_buf == NULL) {
			printk(KERN_ERR "could not allocate %d bytes\n",
				ERRBUFSIZE);
			return;
		}

		va_start(args, fmt);
		vsnprintf(err_buf, ERRBUFSIZE, fmt, args);
		va_end(args);

		printk(KERN_DEBUG "BeFS(%s): %s\n", sb->s_id, err_buf);

		kfree(err_buf);
	}

#endif				//CONFIG_BEFS_DEBUG
}

void
befs_dump_inode(const struct super_block *sb, befs_inode * inode)
{
#ifdef CONFIG_BEFS_DEBUG

	befs_block_run tmp_run;

	befs_debug(sb, "befs_inode information");

	befs_debug(sb, "  magic1 %08x", fs32_to_cpu(sb, inode->magic1));

	tmp_run = fsrun_to_cpu(sb, inode->inode_num);
	befs_debug(sb, "  inode_num %u, %hu, %hu",
		   tmp_run.allocation_group, tmp_run.start, tmp_run.len);

	befs_debug(sb, "  uid %u", fs32_to_cpu(sb, inode->uid));
	befs_debug(sb, "  gid %u", fs32_to_cpu(sb, inode->gid));
	befs_debug(sb, "  mode %08x", fs32_to_cpu(sb, inode->mode));
	befs_debug(sb, "  flags %08x", fs32_to_cpu(sb, inode->flags));
	befs_debug(sb, "  create_time %Lu",
		   fs64_to_cpu(sb, inode->create_time));
	befs_debug(sb, "  last_modified_time %Lu",
		   fs64_to_cpu(sb, inode->last_modified_time));

	tmp_run = fsrun_to_cpu(sb, inode->parent);
	befs_debug(sb, "  parent [%u, %hu, %hu]",
		   tmp_run.allocation_group, tmp_run.start, tmp_run.len);

	tmp_run = fsrun_to_cpu(sb, inode->attributes);
	befs_debug(sb, "  attributes [%u, %hu, %hu]",
		   tmp_run.allocation_group, tmp_run.start, tmp_run.len);

	befs_debug(sb, "  type %08x", fs32_to_cpu(sb, inode->type));
	befs_debug(sb, "  inode_size %u", fs32_to_cpu(sb, inode->inode_size));

	if (S_ISLNK(fs32_to_cpu(sb, inode->mode))) {
		befs_debug(sb, "  Symbolic link [%s]", inode->data.symlink);
	} else {
		int i;

		for (i = 0; i < BEFS_NUM_DIRECT_BLOCKS; i++) {
			tmp_run =
			    fsrun_to_cpu(sb, inode->data.datastream.direct[i]);
			befs_debug(sb, "  direct %d [%u, %hu, %hu]", i,
				   tmp_run.allocation_group, tmp_run.start,
				   tmp_run.len);
		}
		befs_debug(sb, "  max_direct_range %Lu",
			   fs64_to_cpu(sb,
				       inode->data.datastream.
				       max_direct_range));

		tmp_run = fsrun_to_cpu(sb, inode->data.datastream.indirect);
		befs_debug(sb, "  indirect [%u, %hu, %hu]",
			   tmp_run.allocation_group,
			   tmp_run.start, tmp_run.len);

		befs_debug(sb, "  max_indirect_range %Lu",
			   fs64_to_cpu(sb,
				       inode->data.datastream.
				       max_indirect_range));

		tmp_run =
		    fsrun_to_cpu(sb, inode->data.datastream.double_indirect);
		befs_debug(sb, "  double indirect [%u, %hu, %hu]",
			   tmp_run.allocation_group, tmp_run.start,
			   tmp_run.len);

		befs_debug(sb, "  max_double_indirect_range %Lu",
			   fs64_to_cpu(sb,
				       inode->data.datastream.
				       max_double_indirect_range));

		befs_debug(sb, "  size %Lu",
			   fs64_to_cpu(sb, inode->data.datastream.size));
	}

#endif				//CONFIG_BEFS_DEBUG
}

/*
 * Display super block structure for debug.
 */

void
befs_dump_super_block(const struct super_block *sb, befs_super_block * sup)
{
#ifdef CONFIG_BEFS_DEBUG

	befs_block_run tmp_run;

	befs_debug(sb, "befs_super_block information");

	befs_debug(sb, "  name %s", sup->name);
	befs_debug(sb, "  magic1 %08x", fs32_to_cpu(sb, sup->magic1));
	befs_debug(sb, "  fs_byte_order %08x",
		   fs32_to_cpu(sb, sup->fs_byte_order));

	befs_debug(sb, "  block_size %u", fs32_to_cpu(sb, sup->block_size));
	befs_debug(sb, "  block_shift %u", fs32_to_cpu(sb, sup->block_shift));

	befs_debug(sb, "  num_blocks %Lu", fs64_to_cpu(sb, sup->num_blocks));
	befs_debug(sb, "  used_blocks %Lu", fs64_to_cpu(sb, sup->used_blocks));

	befs_debug(sb, "  magic2 %08x", fs32_to_cpu(sb, sup->magic2));
	befs_debug(sb, "  blocks_per_ag %u",
		   fs32_to_cpu(sb, sup->blocks_per_ag));
	befs_debug(sb, "  ag_shift %u", fs32_to_cpu(sb, sup->ag_shift));
	befs_debug(sb, "  num_ags %u", fs32_to_cpu(sb, sup->num_ags));

	befs_debug(sb, "  flags %08x", fs32_to_cpu(sb, sup->flags));

	tmp_run = fsrun_to_cpu(sb, sup->log_blocks);
	befs_debug(sb, "  log_blocks %u, %hu, %hu",
		   tmp_run.allocation_group, tmp_run.start, tmp_run.len);

	befs_debug(sb, "  log_start %Ld", fs64_to_cpu(sb, sup->log_start));
	befs_debug(sb, "  log_end %Ld", fs64_to_cpu(sb, sup->log_end));

	befs_debug(sb, "  magic3 %08x", fs32_to_cpu(sb, sup->magic3));

	tmp_run = fsrun_to_cpu(sb, sup->root_dir);
	befs_debug(sb, "  root_dir %u, %hu, %hu",
		   tmp_run.allocation_group, tmp_run.start, tmp_run.len);

	tmp_run = fsrun_to_cpu(sb, sup->indices);
	befs_debug(sb, "  indices %u, %hu, %hu",
		   tmp_run.allocation_group, tmp_run.start, tmp_run.len);

#endif				//CONFIG_BEFS_DEBUG
}

#if 0
/* unused */
void
befs_dump_small_data(const struct super_block *sb, befs_small_data * sd)
{
}

/* unused */
void
befs_dump_run(const struct super_block *sb, befs_disk_block_run run)
{
#ifdef CONFIG_BEFS_DEBUG

	befs_block_run n = fsrun_to_cpu(sb, run);

	befs_debug(sb, "[%u, %hu, %hu]", n.allocation_group, n.start, n.len);

#endif				//CONFIG_BEFS_DEBUG
}
#endif  /*  0  */

void
befs_dump_index_entry(const struct super_block *sb, befs_disk_btree_super * super)
{
#ifdef CONFIG_BEFS_DEBUG

	befs_debug(sb, "Btree super structure");
	befs_debug(sb, "  magic %08x", fs32_to_cpu(sb, super->magic));
	befs_debug(sb, "  node_size %u", fs32_to_cpu(sb, super->node_size));
	befs_debug(sb, "  max_depth %08x", fs32_to_cpu(sb, super->max_depth));

	befs_debug(sb, "  data_type %08x", fs32_to_cpu(sb, super->data_type));
	befs_debug(sb, "  root_node_pointer %016LX",
		   fs64_to_cpu(sb, super->root_node_ptr));
	befs_debug(sb, "  free_node_pointer %016LX",
		   fs64_to_cpu(sb, super->free_node_ptr));
	befs_debug(sb, "  maximum size %016LX",
		   fs64_to_cpu(sb, super->max_size));

#endif				//CONFIG_BEFS_DEBUG
}

void
befs_dump_index_node(const struct super_block *sb, befs_btree_nodehead * node)
{
#ifdef CONFIG_BEFS_DEBUG

	befs_debug(sb, "Btree node structure");
	befs_debug(sb, "  left %016LX", fs64_to_cpu(sb, node->left));
	befs_debug(sb, "  right %016LX", fs64_to_cpu(sb, node->right));
	befs_debug(sb, "  overflow %016LX", fs64_to_cpu(sb, node->overflow));
	befs_debug(sb, "  all_key_count %hu",
		   fs16_to_cpu(sb, node->all_key_count));
	befs_debug(sb, "  all_key_length %hu",
		   fs16_to_cpu(sb, node->all_key_length));

#endif				//CONFIG_BEFS_DEBUG
}
Commit	Line	Data
1da177e4 LT	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>
c325962b	20	#include <linux/slab.h>
1da177e4 LT	21
	22	#endif /* __KERNEL__ */
	23
	24	#include "befs.h"
1da177e4 LT	25
	26	#define ERRBUFSIZE 1024
	27
	28	void
	29	befs_error(const struct super_block sb, const char fmt, ...)
	30	{
	31	va_list args;
5cbded58	32	char *err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL);
1da177e4 LT	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
	46	void
	47	befs_warning(const struct super_block sb, const char fmt, ...)
	48	{
	49	va_list args;
5cbded58	50	char *err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL);
1da177e4 LT	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
	65	void
	66	befs_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) {
5cbded58	74	err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL);
1da177e4 LT	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
	93	void
	94	befs_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
e5201c58	128	if (S_ISLNK(fs32_to_cpu(sb, inode->mode))) {
1da177e4 LT	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
	177	void
	178	befs_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 */
227	void
228	befs_dump_small_data(const struct super_block sb, befs_small_data sd)
229	{
230	}
231
232	/* unused */
233	void
a9721f31	234	befs_dump_run(const struct super_block *sb, befs_disk_block_run run)
1da177e4 LT	235	{
	236	#ifdef CONFIG_BEFS_DEBUG
	237
a9721f31	238	befs_block_run n = fsrun_to_cpu(sb, run);
1da177e4	239
a9721f31	240	befs_debug(sb, "[%u, %hu, %hu]", n.allocation_group, n.start, n.len);
1da177e4 LT	241
	242	#endif //CONFIG_BEFS_DEBUG
	243	}
	244	#endif /* 0 */
	245
	246	void
a9721f31	247	befs_dump_index_entry(const struct super_block sb, befs_disk_btree_super super)
1da177e4 LT	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
	267	void
	268	befs_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	}