aboutsummaryrefslogtreecommitdiffstats
path: root/fs/ext2
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ext2')
-rw-r--r--fs/ext2/balloc.c73
-rw-r--r--fs/ext2/ialloc.c40
-rw-r--r--fs/ext2/super.c16
3 files changed, 1 insertions, 128 deletions
diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index 6591abef64d0..bb6908066494 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -624,76 +624,3 @@ unsigned long ext2_bg_num_gdb(struct super_block *sb, int group)
624 return EXT2_SB(sb)->s_gdb_count; 624 return EXT2_SB(sb)->s_gdb_count;
625} 625}
626 626
627#ifdef CONFIG_EXT2_CHECK
628/* Called at mount-time, super-block is locked */
629void ext2_check_blocks_bitmap (struct super_block * sb)
630{
631 struct buffer_head *bitmap_bh = NULL;
632 struct ext2_super_block * es;
633 unsigned long desc_count, bitmap_count, x, j;
634 unsigned long desc_blocks;
635 struct ext2_group_desc * desc;
636 int i;
637
638 es = EXT2_SB(sb)->s_es;
639 desc_count = 0;
640 bitmap_count = 0;
641 desc = NULL;
642 for (i = 0; i < EXT2_SB(sb)->s_groups_count; i++) {
643 desc = ext2_get_group_desc (sb, i, NULL);
644 if (!desc)
645 continue;
646 desc_count += le16_to_cpu(desc->bg_free_blocks_count);
647 brelse(bitmap_bh);
648 bitmap_bh = read_block_bitmap(sb, i);
649 if (!bitmap_bh)
650 continue;
651
652 if (ext2_bg_has_super(sb, i) &&
653 !ext2_test_bit(0, bitmap_bh->b_data))
654 ext2_error(sb, __FUNCTION__,
655 "Superblock in group %d is marked free", i);
656
657 desc_blocks = ext2_bg_num_gdb(sb, i);
658 for (j = 0; j < desc_blocks; j++)
659 if (!ext2_test_bit(j + 1, bitmap_bh->b_data))
660 ext2_error(sb, __FUNCTION__,
661 "Descriptor block #%ld in group "
662 "%d is marked free", j, i);
663
664 if (!block_in_use(le32_to_cpu(desc->bg_block_bitmap),
665 sb, bitmap_bh->b_data))
666 ext2_error(sb, "ext2_check_blocks_bitmap",
667 "Block bitmap for group %d is marked free",
668 i);
669
670 if (!block_in_use(le32_to_cpu(desc->bg_inode_bitmap),
671 sb, bitmap_bh->b_data))
672 ext2_error(sb, "ext2_check_blocks_bitmap",
673 "Inode bitmap for group %d is marked free",
674 i);
675
676 for (j = 0; j < EXT2_SB(sb)->s_itb_per_group; j++)
677 if (!block_in_use(le32_to_cpu(desc->bg_inode_table) + j,
678 sb, bitmap_bh->b_data))
679 ext2_error (sb, "ext2_check_blocks_bitmap",
680 "Block #%ld of the inode table in "
681 "group %d is marked free", j, i);
682
683 x = ext2_count_free(bitmap_bh, sb->s_blocksize);
684 if (le16_to_cpu(desc->bg_free_blocks_count) != x)
685 ext2_error (sb, "ext2_check_blocks_bitmap",
686 "Wrong free blocks count for group %d, "
687 "stored = %d, counted = %lu", i,
688 le16_to_cpu(desc->bg_free_blocks_count), x);
689 bitmap_count += x;
690 }
691 if (le32_to_cpu(es->s_free_blocks_count) != bitmap_count)
692 ext2_error (sb, "ext2_check_blocks_bitmap",
693 "Wrong free blocks count in super block, "
694 "stored = %lu, counted = %lu",
695 (unsigned long)le32_to_cpu(es->s_free_blocks_count),
696 bitmap_count);
697 brelse(bitmap_bh);
698}
699#endif
diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index e2d6208633a7..74714af4ae69 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -700,43 +700,3 @@ unsigned long ext2_count_dirs (struct super_block * sb)
700 return count; 700 return count;
701} 701}
702 702
703#ifdef CONFIG_EXT2_CHECK
704/* Called at mount-time, super-block is locked */
705void ext2_check_inodes_bitmap (struct super_block * sb)
706{
707 struct ext2_super_block * es = EXT2_SB(sb)->s_es;
708 unsigned long desc_count = 0, bitmap_count = 0;
709 struct buffer_head *bitmap_bh = NULL;
710 int i;
711
712 for (i = 0; i < EXT2_SB(sb)->s_groups_count; i++) {
713 struct ext2_group_desc *desc;
714 unsigned x;
715
716 desc = ext2_get_group_desc(sb, i, NULL);
717 if (!desc)
718 continue;
719 desc_count += le16_to_cpu(desc->bg_free_inodes_count);
720 brelse(bitmap_bh);
721 bitmap_bh = read_inode_bitmap(sb, i);
722 if (!bitmap_bh)
723 continue;
724
725 x = ext2_count_free(bitmap_bh, EXT2_INODES_PER_GROUP(sb) / 8);
726 if (le16_to_cpu(desc->bg_free_inodes_count) != x)
727 ext2_error (sb, "ext2_check_inodes_bitmap",
728 "Wrong free inodes count in group %d, "
729 "stored = %d, counted = %lu", i,
730 le16_to_cpu(desc->bg_free_inodes_count), x);
731 bitmap_count += x;
732 }
733 brelse(bitmap_bh);
734 if (percpu_counter_read(&EXT2_SB(sb)->s_freeinodes_counter) !=
735 bitmap_count)
736 ext2_error(sb, "ext2_check_inodes_bitmap",
737 "Wrong free inodes count in super block, "
738 "stored = %lu, counted = %lu",
739 (unsigned long)le32_to_cpu(es->s_free_inodes_count),
740 bitmap_count);
741}
742#endif
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 3c0c7c6a5b44..e4ed4b31a433 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -281,7 +281,7 @@ static unsigned long get_sb_block(void **data)
281enum { 281enum {
282 Opt_bsd_df, Opt_minix_df, Opt_grpid, Opt_nogrpid, 282 Opt_bsd_df, Opt_minix_df, Opt_grpid, Opt_nogrpid,
283 Opt_resgid, Opt_resuid, Opt_sb, Opt_err_cont, Opt_err_panic, 283 Opt_resgid, Opt_resuid, Opt_sb, Opt_err_cont, Opt_err_panic,
284 Opt_err_ro, Opt_nouid32, Opt_check, Opt_nocheck, Opt_debug, 284 Opt_err_ro, Opt_nouid32, Opt_nocheck, Opt_debug,
285 Opt_oldalloc, Opt_orlov, Opt_nobh, Opt_user_xattr, Opt_nouser_xattr, 285 Opt_oldalloc, Opt_orlov, Opt_nobh, Opt_user_xattr, Opt_nouser_xattr,
286 Opt_acl, Opt_noacl, Opt_xip, Opt_ignore, Opt_err, Opt_quota, 286 Opt_acl, Opt_noacl, Opt_xip, Opt_ignore, Opt_err, Opt_quota,
287 Opt_usrquota, Opt_grpquota 287 Opt_usrquota, Opt_grpquota
@@ -303,7 +303,6 @@ static match_table_t tokens = {
303 {Opt_nouid32, "nouid32"}, 303 {Opt_nouid32, "nouid32"},
304 {Opt_nocheck, "check=none"}, 304 {Opt_nocheck, "check=none"},
305 {Opt_nocheck, "nocheck"}, 305 {Opt_nocheck, "nocheck"},
306 {Opt_check, "check"},
307 {Opt_debug, "debug"}, 306 {Opt_debug, "debug"},
308 {Opt_oldalloc, "oldalloc"}, 307 {Opt_oldalloc, "oldalloc"},
309 {Opt_orlov, "orlov"}, 308 {Opt_orlov, "orlov"},
@@ -376,13 +375,6 @@ static int parse_options (char * options,
376 case Opt_nouid32: 375 case Opt_nouid32:
377 set_opt (sbi->s_mount_opt, NO_UID32); 376 set_opt (sbi->s_mount_opt, NO_UID32);
378 break; 377 break;
379 case Opt_check:
380#ifdef CONFIG_EXT2_CHECK
381 set_opt (sbi->s_mount_opt, CHECK);
382#else
383 printk("EXT2 Check option not supported\n");
384#endif
385 break;
386 case Opt_nocheck: 378 case Opt_nocheck:
387 clear_opt (sbi->s_mount_opt, CHECK); 379 clear_opt (sbi->s_mount_opt, CHECK);
388 break; 380 break;
@@ -503,12 +495,6 @@ static int ext2_setup_super (struct super_block * sb,
503 EXT2_BLOCKS_PER_GROUP(sb), 495 EXT2_BLOCKS_PER_GROUP(sb),
504 EXT2_INODES_PER_GROUP(sb), 496 EXT2_INODES_PER_GROUP(sb),
505 sbi->s_mount_opt); 497 sbi->s_mount_opt);
506#ifdef CONFIG_EXT2_CHECK
507 if (test_opt (sb, CHECK)) {
508 ext2_check_blocks_bitmap (sb);
509 ext2_check_inodes_bitmap (sb);
510 }
511#endif
512 return res; 498 return res;
513} 499}
514 500