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Diffstat (limited to 'fs/ext3/ialloc.c')
-rw-r--r--fs/ext3/ialloc.c58
1 files changed, 35 insertions, 23 deletions
diff --git a/fs/ext3/ialloc.c b/fs/ext3/ialloc.c
index 1bc8cd89c51d..58ae2f943f12 100644
--- a/fs/ext3/ialloc.c
+++ b/fs/ext3/ialloc.c
@@ -642,14 +642,15 @@ struct inode *ext3_orphan_get(struct super_block *sb, unsigned long ino)
642 unsigned long max_ino = le32_to_cpu(EXT3_SB(sb)->s_es->s_inodes_count); 642 unsigned long max_ino = le32_to_cpu(EXT3_SB(sb)->s_es->s_inodes_count);
643 unsigned long block_group; 643 unsigned long block_group;
644 int bit; 644 int bit;
645 struct buffer_head *bitmap_bh = NULL; 645 struct buffer_head *bitmap_bh;
646 struct inode *inode = NULL; 646 struct inode *inode = NULL;
647 long err = -EIO;
647 648
648 /* Error cases - e2fsck has already cleaned up for us */ 649 /* Error cases - e2fsck has already cleaned up for us */
649 if (ino > max_ino) { 650 if (ino > max_ino) {
650 ext3_warning(sb, __FUNCTION__, 651 ext3_warning(sb, __FUNCTION__,
651 "bad orphan ino %lu! e2fsck was run?", ino); 652 "bad orphan ino %lu! e2fsck was run?", ino);
652 goto out; 653 goto error;
653 } 654 }
654 655
655 block_group = (ino - 1) / EXT3_INODES_PER_GROUP(sb); 656 block_group = (ino - 1) / EXT3_INODES_PER_GROUP(sb);
@@ -658,38 +659,49 @@ struct inode *ext3_orphan_get(struct super_block *sb, unsigned long ino)
658 if (!bitmap_bh) { 659 if (!bitmap_bh) {
659 ext3_warning(sb, __FUNCTION__, 660 ext3_warning(sb, __FUNCTION__,
660 "inode bitmap error for orphan %lu", ino); 661 "inode bitmap error for orphan %lu", ino);
661 goto out; 662 goto error;
662 } 663 }
663 664
664 /* Having the inode bit set should be a 100% indicator that this 665 /* Having the inode bit set should be a 100% indicator that this
665 * is a valid orphan (no e2fsck run on fs). Orphans also include 666 * is a valid orphan (no e2fsck run on fs). Orphans also include
666 * inodes that were being truncated, so we can't check i_nlink==0. 667 * inodes that were being truncated, so we can't check i_nlink==0.
667 */ 668 */
668 if (!ext3_test_bit(bit, bitmap_bh->b_data) || 669 if (!ext3_test_bit(bit, bitmap_bh->b_data))
669 !(inode = iget(sb, ino)) || is_bad_inode(inode) || 670 goto bad_orphan;
670 NEXT_ORPHAN(inode) > max_ino) { 671
671 ext3_warning(sb, __FUNCTION__, 672 inode = ext3_iget(sb, ino);
672 "bad orphan inode %lu! e2fsck was run?", ino); 673 if (IS_ERR(inode))
673 printk(KERN_NOTICE "ext3_test_bit(bit=%d, block=%llu) = %d\n", 674 goto iget_failed;
674 bit, (unsigned long long)bitmap_bh->b_blocknr, 675
675 ext3_test_bit(bit, bitmap_bh->b_data)); 676 if (NEXT_ORPHAN(inode) > max_ino)
676 printk(KERN_NOTICE "inode=%p\n", inode); 677 goto bad_orphan;
677 if (inode) { 678 brelse(bitmap_bh);
678 printk(KERN_NOTICE "is_bad_inode(inode)=%d\n", 679 return inode;
679 is_bad_inode(inode)); 680
680 printk(KERN_NOTICE "NEXT_ORPHAN(inode)=%u\n", 681iget_failed:
681 NEXT_ORPHAN(inode)); 682 err = PTR_ERR(inode);
682 printk(KERN_NOTICE "max_ino=%lu\n", max_ino); 683 inode = NULL;
683 } 684bad_orphan:
685 ext3_warning(sb, __FUNCTION__,
686 "bad orphan inode %lu! e2fsck was run?", ino);
687 printk(KERN_NOTICE "ext3_test_bit(bit=%d, block=%llu) = %d\n",
688 bit, (unsigned long long)bitmap_bh->b_blocknr,
689 ext3_test_bit(bit, bitmap_bh->b_data));
690 printk(KERN_NOTICE "inode=%p\n", inode);
691 if (inode) {
692 printk(KERN_NOTICE "is_bad_inode(inode)=%d\n",
693 is_bad_inode(inode));
694 printk(KERN_NOTICE "NEXT_ORPHAN(inode)=%u\n",
695 NEXT_ORPHAN(inode));
696 printk(KERN_NOTICE "max_ino=%lu\n", max_ino);
684 /* Avoid freeing blocks if we got a bad deleted inode */ 697 /* Avoid freeing blocks if we got a bad deleted inode */
685 if (inode && inode->i_nlink == 0) 698 if (inode->i_nlink == 0)
686 inode->i_blocks = 0; 699 inode->i_blocks = 0;
687 iput(inode); 700 iput(inode);
688 inode = NULL;
689 } 701 }
690out:
691 brelse(bitmap_bh); 702 brelse(bitmap_bh);
692 return inode; 703error:
704 return ERR_PTR(err);
693} 705}
694 706
695unsigned long ext3_count_free_inodes (struct super_block * sb) 707unsigned long ext3_count_free_inodes (struct super_block * sb)