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-rw-r--r--fs/ext3/balloc.c73
1 files changed, 0 insertions, 73 deletions
diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
index 7992d21e0e09..ae1148c24c53 100644
--- a/fs/ext3/balloc.c
+++ b/fs/ext3/balloc.c
@@ -1517,76 +1517,3 @@ unsigned long ext3_bg_num_gdb(struct super_block *sb, int group)
1517 return EXT3_SB(sb)->s_gdb_count; 1517 return EXT3_SB(sb)->s_gdb_count;
1518} 1518}
1519 1519
1520#ifdef CONFIG_EXT3_CHECK
1521/* Called at mount-time, super-block is locked */
1522void ext3_check_blocks_bitmap (struct super_block * sb)
1523{
1524 struct ext3_super_block *es;
1525 unsigned long desc_count, bitmap_count, x, j;
1526 unsigned long desc_blocks;
1527 struct buffer_head *bitmap_bh = NULL;
1528 struct ext3_group_desc *gdp;
1529 int i;
1530
1531 es = EXT3_SB(sb)->s_es;
1532 desc_count = 0;
1533 bitmap_count = 0;
1534 gdp = NULL;
1535 for (i = 0; i < EXT3_SB(sb)->s_groups_count; i++) {
1536 gdp = ext3_get_group_desc (sb, i, NULL);
1537 if (!gdp)
1538 continue;
1539 desc_count += le16_to_cpu(gdp->bg_free_blocks_count);
1540 brelse(bitmap_bh);
1541 bitmap_bh = read_block_bitmap(sb, i);
1542 if (bitmap_bh == NULL)
1543 continue;
1544
1545 if (ext3_bg_has_super(sb, i) &&
1546 !ext3_test_bit(0, bitmap_bh->b_data))
1547 ext3_error(sb, __FUNCTION__,
1548 "Superblock in group %d is marked free", i);
1549
1550 desc_blocks = ext3_bg_num_gdb(sb, i);
1551 for (j = 0; j < desc_blocks; j++)
1552 if (!ext3_test_bit(j + 1, bitmap_bh->b_data))
1553 ext3_error(sb, __FUNCTION__,
1554 "Descriptor block #%ld in group "
1555 "%d is marked free", j, i);
1556
1557 if (!block_in_use (le32_to_cpu(gdp->bg_block_bitmap),
1558 sb, bitmap_bh->b_data))
1559 ext3_error (sb, "ext3_check_blocks_bitmap",
1560 "Block bitmap for group %d is marked free",
1561 i);
1562
1563 if (!block_in_use (le32_to_cpu(gdp->bg_inode_bitmap),
1564 sb, bitmap_bh->b_data))
1565 ext3_error (sb, "ext3_check_blocks_bitmap",
1566 "Inode bitmap for group %d is marked free",
1567 i);
1568
1569 for (j = 0; j < EXT3_SB(sb)->s_itb_per_group; j++)
1570 if (!block_in_use (le32_to_cpu(gdp->bg_inode_table) + j,
1571 sb, bitmap_bh->b_data))
1572 ext3_error (sb, "ext3_check_blocks_bitmap",
1573 "Block #%d of the inode table in "
1574 "group %d is marked free", j, i);
1575
1576 x = ext3_count_free(bitmap_bh, sb->s_blocksize);
1577 if (le16_to_cpu(gdp->bg_free_blocks_count) != x)
1578 ext3_error (sb, "ext3_check_blocks_bitmap",
1579 "Wrong free blocks count for group %d, "
1580 "stored = %d, counted = %lu", i,
1581 le16_to_cpu(gdp->bg_free_blocks_count), x);
1582 bitmap_count += x;
1583 }
1584 brelse(bitmap_bh);
1585 if (le32_to_cpu(es->s_free_blocks_count) != bitmap_count)
1586 ext3_error (sb, "ext3_check_blocks_bitmap",
1587 "Wrong free blocks count in super block, "
1588 "stored = %lu, counted = %lu",
1589 (unsigned long)le32_to_cpu(es->s_free_blocks_count),
1590 bitmap_count);
1591}
1592#endif