debug.c
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:7k
- /*
- * 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_fs.h"
- #include "endian.h"
- #define ERRBUFSIZE 1024
- void
- befs_error(const struct super_block *sb, const char *fmt, ...)
- {
- va_list args;
- char err_buf[ERRBUFSIZE];
- va_start(args, fmt);
- vsnprintf(err_buf, ERRBUFSIZE, fmt, args);
- va_end(args);
- printk(KERN_ERR "BeFS(%s): %sn", bdevname(sb->s_dev), err_buf);
- befs_debug(sb, err_buf);
- }
- void
- befs_warning(const struct super_block *sb, const char *fmt, ...)
- {
- va_list args;
- char err_buf[ERRBUFSIZE];
- va_start(args, fmt);
- vsnprintf(err_buf, ERRBUFSIZE, fmt, args);
- va_end(args);
- printk(KERN_WARNING "BeFS(%s): %sn", bdevname(sb->s_dev), err_buf);
- befs_debug(sb, err_buf);
- }
- void
- befs_debug(const struct super_block *sb, const char *fmt, ...)
- {
- #ifdef CONFIG_BEFS_DEBUG
- va_list args;
- char err_buf[ERRBUFSIZE];
- if (BEFS_SB(sb)->mount_opts.debug) {
- va_start(args, fmt);
- vsnprintf(err_buf, ERRBUFSIZE, fmt, args);
- va_end(args);
- printk(KERN_DEBUG "BeFS(%s): %sn",
- bdevname(sb->s_dev), 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 infomation");
- 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(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
- }
- void
- befs_dump_small_data(const struct super_block *sb, befs_small_data * sd)
- {
- }
- void
- befs_dump_run(const struct super_block *sb, befs_block_run run)
- {
- #ifdef CONFIG_BEFS_DEBUG
- run = fsrun_to_cpu(sb, run);
- befs_debug(sb, "[%u, %hu, %hu]",
- run.allocation_group, run.start, run.len);
- #endif //CONFIG_BEFS_DEBUG
- }
- void
- befs_dump_index_entry(const struct super_block *sb, befs_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
- }