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-rw-r--r--fs/ext2/super.c12
-rw-r--r--fs/ext3/super.c13
-rw-r--r--fs/ext4/super.c14
3 files changed, 12 insertions, 27 deletions
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 75af3fbe8384..1ba18b72d43a 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -617,27 +617,24 @@ static int ext2_setup_super (struct super_block * sb,
617 return res; 617 return res;
618} 618}
619 619
620static int ext2_check_descriptors (struct super_block * sb) 620static int ext2_check_descriptors(struct super_block *sb)
621{ 621{
622 int i; 622 int i;
623 int desc_block = 0;
624 struct ext2_sb_info *sbi = EXT2_SB(sb); 623 struct ext2_sb_info *sbi = EXT2_SB(sb);
625 unsigned long first_block = le32_to_cpu(sbi->s_es->s_first_data_block); 624 unsigned long first_block = le32_to_cpu(sbi->s_es->s_first_data_block);
626 unsigned long last_block; 625 unsigned long last_block;
627 struct ext2_group_desc * gdp = NULL;
628 626
629 ext2_debug ("Checking group descriptors"); 627 ext2_debug ("Checking group descriptors");
630 628
631 for (i = 0; i < sbi->s_groups_count; i++) 629 for (i = 0; i < sbi->s_groups_count; i++) {
632 { 630 struct ext2_group_desc *gdp = ext2_get_group_desc(sb, i, NULL);
631
633 if (i == sbi->s_groups_count - 1) 632 if (i == sbi->s_groups_count - 1)
634 last_block = le32_to_cpu(sbi->s_es->s_blocks_count) - 1; 633 last_block = le32_to_cpu(sbi->s_es->s_blocks_count) - 1;
635 else 634 else
636 last_block = first_block + 635 last_block = first_block +
637 (EXT2_BLOCKS_PER_GROUP(sb) - 1); 636 (EXT2_BLOCKS_PER_GROUP(sb) - 1);
638 637
639 if ((i % EXT2_DESC_PER_BLOCK(sb)) == 0)
640 gdp = (struct ext2_group_desc *) sbi->s_group_desc[desc_block++]->b_data;
641 if (le32_to_cpu(gdp->bg_block_bitmap) < first_block || 638 if (le32_to_cpu(gdp->bg_block_bitmap) < first_block ||
642 le32_to_cpu(gdp->bg_block_bitmap) > last_block) 639 le32_to_cpu(gdp->bg_block_bitmap) > last_block)
643 { 640 {
@@ -667,7 +664,6 @@ static int ext2_check_descriptors (struct super_block * sb)
667 return 0; 664 return 0;
668 } 665 }
669 first_block += EXT2_BLOCKS_PER_GROUP(sb); 666 first_block += EXT2_BLOCKS_PER_GROUP(sb);
670 gdp++;
671 } 667 }
672 return 1; 668 return 1;
673} 669}
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 15e75139b7e8..343677e8c350 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -1252,28 +1252,24 @@ static int ext3_setup_super(struct super_block *sb, struct ext3_super_block *es,
1252} 1252}
1253 1253
1254/* Called at mount-time, super-block is locked */ 1254/* Called at mount-time, super-block is locked */
1255static int ext3_check_descriptors (struct super_block * sb) 1255static int ext3_check_descriptors(struct super_block *sb)
1256{ 1256{
1257 struct ext3_sb_info *sbi = EXT3_SB(sb); 1257 struct ext3_sb_info *sbi = EXT3_SB(sb);
1258 ext3_fsblk_t first_block = le32_to_cpu(sbi->s_es->s_first_data_block); 1258 ext3_fsblk_t first_block = le32_to_cpu(sbi->s_es->s_first_data_block);
1259 ext3_fsblk_t last_block; 1259 ext3_fsblk_t last_block;
1260 struct ext3_group_desc * gdp = NULL;
1261 int desc_block = 0;
1262 int i; 1260 int i;
1263 1261
1264 ext3_debug ("Checking group descriptors"); 1262 ext3_debug ("Checking group descriptors");
1265 1263
1266 for (i = 0; i < sbi->s_groups_count; i++) 1264 for (i = 0; i < sbi->s_groups_count; i++) {
1267 { 1265 struct ext3_group_desc *gdp = ext3_get_group_desc(sb, i, NULL);
1266
1268 if (i == sbi->s_groups_count - 1) 1267 if (i == sbi->s_groups_count - 1)
1269 last_block = le32_to_cpu(sbi->s_es->s_blocks_count) - 1; 1268 last_block = le32_to_cpu(sbi->s_es->s_blocks_count) - 1;
1270 else 1269 else
1271 last_block = first_block + 1270 last_block = first_block +
1272 (EXT3_BLOCKS_PER_GROUP(sb) - 1); 1271 (EXT3_BLOCKS_PER_GROUP(sb) - 1);
1273 1272
1274 if ((i % EXT3_DESC_PER_BLOCK(sb)) == 0)
1275 gdp = (struct ext3_group_desc *)
1276 sbi->s_group_desc[desc_block++]->b_data;
1277 if (le32_to_cpu(gdp->bg_block_bitmap) < first_block || 1273 if (le32_to_cpu(gdp->bg_block_bitmap) < first_block ||
1278 le32_to_cpu(gdp->bg_block_bitmap) > last_block) 1274 le32_to_cpu(gdp->bg_block_bitmap) > last_block)
1279 { 1275 {
@@ -1306,7 +1302,6 @@ static int ext3_check_descriptors (struct super_block * sb)
1306 return 0; 1302 return 0;
1307 } 1303 }
1308 first_block += EXT3_BLOCKS_PER_GROUP(sb); 1304 first_block += EXT3_BLOCKS_PER_GROUP(sb);
1309 gdp++;
1310 } 1305 }
1311 1306
1312 sbi->s_es->s_free_blocks_count=cpu_to_le32(ext3_count_free_blocks(sb)); 1307 sbi->s_es->s_free_blocks_count=cpu_to_le32(ext3_count_free_blocks(sb));
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));