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btrfs: tree-checker: Enhance output for check_csum_item 

Output the bad value and expected good value (or its alignment).

Signed-off-by: Qu Wenruo <quwenruo.btrfs@gmx.com>
[ unindent long strings ]
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2017-10-09 01:51:05 +00:00 committed by David Sterba
parent 478d01b3fc
commit d508c5f07c
1 changed files with 9 additions and 3 deletions
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12
fs/btrfs/tree-checker.c
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@ -161,15 +161,21 @@ static int check_csum_item(struct btrfs_root *root, struct extent_buffer *leaf,
u32 csumsize = btrfs_super_csum_size(root->fs_info->super_copy);
if (key->objectid != BTRFS_EXTENT_CSUM_OBJECTID) {
CORRUPT("invalid objectid for csum item", leaf, root, slot);
generic_err(root, leaf, slot,
"invalid key objectid for csum item, have %llu expect %llu",
key->objectid, BTRFS_EXTENT_CSUM_OBJECTID);
return -EUCLEAN;
}
if (!IS_ALIGNED(key->offset, sectorsize)) {
CORRUPT("unaligned key offset for csum item", leaf, root, slot);
generic_err(root, leaf, slot,
"unaligned key offset for csum item, have %llu should be aligned to %u",
key->offset, sectorsize);
return -EUCLEAN;
}
if (!IS_ALIGNED(btrfs_item_size_nr(leaf, slot), csumsize)) {
CORRUPT("unaligned csum item size", leaf, root, slot);
generic_err(root, leaf, slot,
"unaligned item size for csum item, have %u should be aligned to %u",
btrfs_item_size_nr(leaf, slot), csumsize);
return -EUCLEAN;
}
return 0;