/* *  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> #endif				/* __KERNEL__ */ #include "befs.h" #define ERRBUFSIZE 1024 voidbefs_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);} voidbefs_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);} voidbefs_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} voidbefs_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. */ voidbefs_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 */voidbefs_dump_small_data(const struct super_block *sb, befs_small_data * sd){} /* unused */voidbefs_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  */ voidbefs_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} voidbefs_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}