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-rw-r--r--fs/ext4/super.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 055a0cd0168e..c89bb8797765 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1458,7 +1458,7 @@ int ext4_group_desc_csum_verify(struct ext4_sb_info *sbi, __u32 block_group,
1458} 1458}
1459 1459
1460/* Called at mount-time, super-block is locked */ 1460/* Called at mount-time, super-block is locked */
1461static int ext4_check_descriptors (struct super_block * sb) 1461static int ext4_check_descriptors(struct super_block *sb)
1462{ 1462{
1463 struct ext4_sb_info *sbi = EXT4_SB(sb); 1463 struct ext4_sb_info *sbi = EXT4_SB(sb);
1464 ext4_fsblk_t first_block = le32_to_cpu(sbi->s_es->s_first_data_block); 1464 ext4_fsblk_t first_block = le32_to_cpu(sbi->s_es->s_first_data_block);
@@ -1466,8 +1466,6 @@ static int ext4_check_descriptors (struct super_block * sb)
1466 ext4_fsblk_t block_bitmap; 1466 ext4_fsblk_t block_bitmap;
1467 ext4_fsblk_t inode_bitmap; 1467 ext4_fsblk_t inode_bitmap;
1468 ext4_fsblk_t inode_table; 1468 ext4_fsblk_t inode_table;
1469 struct ext4_group_desc * gdp = NULL;
1470 int desc_block = 0;
1471 int flexbg_flag = 0; 1469 int flexbg_flag = 0;
1472 ext4_group_t i; 1470 ext4_group_t i;
1473 1471
@@ -1476,17 +1474,15 @@ static int ext4_check_descriptors (struct super_block * sb)
1476 1474
1477 ext4_debug ("Checking group descriptors"); 1475 ext4_debug ("Checking group descriptors");
1478 1476
1479 for (i = 0; i < sbi->s_groups_count; i++) 1477 for (i = 0; i < sbi->s_groups_count; i++) {
1480 { 1478 struct ext4_group_desc *gdp = ext4_get_group_desc(sb, i, NULL);
1479
1481 if (i == sbi->s_groups_count - 1 || flexbg_flag) 1480 if (i == sbi->s_groups_count - 1 || flexbg_flag)
1482 last_block = ext4_blocks_count(sbi->s_es) - 1; 1481 last_block = ext4_blocks_count(sbi->s_es) - 1;
1483 else 1482 else
1484 last_block = first_block + 1483 last_block = first_block +
1485 (EXT4_BLOCKS_PER_GROUP(sb) - 1); 1484 (EXT4_BLOCKS_PER_GROUP(sb) - 1);
1486 1485
1487 if ((i % EXT4_DESC_PER_BLOCK(sb)) == 0)
1488 gdp = (struct ext4_group_desc *)
1489 sbi->s_group_desc[desc_block++]->b_data;
1490 block_bitmap = ext4_block_bitmap(sb, gdp); 1486 block_bitmap = ext4_block_bitmap(sb, gdp);
1491 if (block_bitmap < first_block || block_bitmap > last_block) 1487 if (block_bitmap < first_block || block_bitmap > last_block)
1492 { 1488 {
@@ -1524,8 +1520,6 @@ static int ext4_check_descriptors (struct super_block * sb)
1524 } 1520 }
1525 if (!flexbg_flag) 1521 if (!flexbg_flag)
1526 first_block += EXT4_BLOCKS_PER_GROUP(sb); 1522 first_block += EXT4_BLOCKS_PER_GROUP(sb);
1527 gdp = (struct ext4_group_desc *)
1528 ((__u8 *)gdp + EXT4_DESC_SIZE(sb));
1529 } 1523 }
1530 1524
1531 ext4_free_blocks_count_set(sbi->s_es, ext4_count_free_blocks(sb)); 1525 ext4_free_blocks_count_set(sbi->s_es, ext4_count_free_blocks(sb));