/* return 1 if this is not super block */
static int print_super_block(struct buffer_head *bh)
{
struct reiserfs_super_block *rs =
(struct reiserfs_super_block *)(bh->b_data);
int skipped, data_blocks;
char *version;
char b[BDEVNAME_SIZE];
if (is_reiserfs_3_5(rs)) {
version = "3.5";
} else if (is_reiserfs_3_6(rs)) {
version = "3.6";
} else if (is_reiserfs_jr(rs)) {
version = ((sb_version(rs) == REISERFS_VERSION_2) ?
"3.6" : "3.5");
} else {
return 1;
}
printk("%s\'s super block is in block %llu\n", bdevname(bh->b_bdev, b),
(unsigned long long)bh->b_blocknr);
printk("Reiserfs version %s\n", version);
printk("Block count %u\n", sb_block_count(rs));
printk("Blocksize %d\n", sb_blocksize(rs));
printk("Free blocks %u\n", sb_free_blocks(rs));
// FIXME: this would be confusing if
// someone stores reiserfs super block in some data block ;)
// skipped = (bh->b_blocknr * bh->b_size) / sb_blocksize(rs);
skipped = bh->b_blocknr;
data_blocks = sb_block_count(rs) - skipped - 1 - sb_bmap_nr(rs) -
(!is_reiserfs_jr(rs) ? sb_jp_journal_size(rs) +
1 : sb_reserved_for_journal(rs)) - sb_free_blocks(rs);
printk
("Busy blocks (skipped %d, bitmaps - %d, journal (or reserved) blocks - %d\n"
"1 super block, %d data blocks\n", skipped, sb_bmap_nr(rs),
(!is_reiserfs_jr(rs) ? (sb_jp_journal_size(rs) + 1) :
sb_reserved_for_journal(rs)), data_blocks);
printk("Root block %u\n", sb_root_block(rs));
printk("Journal block (first) %d\n", sb_jp_journal_1st_block(rs));
printk("Journal dev %d\n", sb_jp_journal_dev(rs));
printk("Journal orig size %d\n", sb_jp_journal_size(rs));
printk("FS state %d\n", sb_fs_state(rs));
printk("Hash function \"%s\"\n",
reiserfs_hashname(sb_hash_function_code(rs)));
printk("Tree height %d\n", sb_tree_height(rs));
return 0;
}
/* return 1 if this is not super block */
static int print_super_block (struct buffer_head * bh)
{
struct reiserfs_super_block * rs = (struct reiserfs_super_block *)(bh->b_data);
int skipped, data_blocks;
char *version;
if (strncmp (rs->s_magic, REISERFS_SUPER_MAGIC_STRING,
strlen ( REISERFS_SUPER_MAGIC_STRING)) == 0) {
version = "3.5";
} else if( strncmp (rs->s_magic, REISER2FS_SUPER_MAGIC_STRING,
strlen ( REISER2FS_SUPER_MAGIC_STRING)) == 0) {
version = "3.6";
} else {
return 1;
}
printk ("%s\'s super block in block %ld\n======================\n",
kdevname (bh->b_dev), bh->b_blocknr);
printk ("Reiserfs version %s\n", version );
printk ("Block count %u\n", sb_block_count(rs));
printk ("Blocksize %d\n", sb_blocksize(rs));
printk ("Free blocks %u\n", sb_free_blocks(rs));
// FIXME: this would be confusing if
// someone stores reiserfs super block in some data block ;)
// skipped = (bh->b_blocknr * bh->b_size) / sb_blocksize(rs);
skipped = bh->b_blocknr;
data_blocks = sb_block_count(rs) - skipped - 1 -
sb_bmap_nr(rs) - (sb_orig_journal_size(rs) + 1) -
sb_free_blocks(rs);
printk ("Busy blocks (skipped %d, bitmaps - %d, journal blocks - %d\n"
"1 super blocks, %d data blocks\n",
skipped, sb_bmap_nr(rs),
(sb_orig_journal_size(rs) + 1), data_blocks);
printk ("Root block %u\n", sb_root_block(rs));
printk ("Journal block (first) %d\n", sb_journal_block(rs));
printk ("Journal dev %d\n", sb_journal_dev(rs));
printk ("Journal orig size %d\n", sb_orig_journal_size(rs));
printk ("Filesystem state %s\n",
(sb_state(rs) == REISERFS_VALID_FS) ? "VALID" : "ERROR");
printk ("Hash function \"%s\"\n",
sb_hash_function_code(rs) == TEA_HASH ? "tea" :
( sb_hash_function_code(rs) == YURA_HASH ? "rupasov" : (sb_hash_function_code(rs) == R5_HASH ? "r5" : "unknown")));
printk ("Tree height %d\n", sb_tree_height(rs));
return 0;
}
