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| author | Qu Wenruo <quwenruo.btrfs@gmx.com> | 2017-10-09 04:51:04 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-10-30 14:27:59 +0300 |
| commit | 478d01b3fcf04f35aa33226637fe0becf6a35183 (patch) | |
| tree | f719c3dfc3a2a75c00f7a7fb5d3d1d6d3a9cb967 /fs/btrfs/tree-checker.c | |
| parent | bba4f29896c986c4cec17bc0f19f2ce644fceae1 (diff) | |
| download | linux-478d01b3fcf04f35aa33226637fe0becf6a35183.tar.xz | |
btrfs: tree-checker: Enhance output for btrfs_check_leaf
Enhance the output to print:
1) the eason
2) the ad value, if reason is not sufficient
3) good value (range)
Signed-off-by: Qu Wenruo <quwenruo.btrfs@gmx.com>
[ wording, unidented long strings ]
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/tree-checker.c')
| -rw-r--r-- | fs/btrfs/tree-checker.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c index 5acdf3355a3f..b507c320eff5 100644 --- a/fs/btrfs/tree-checker.c +++ b/fs/btrfs/tree-checker.c @@ -230,8 +230,9 @@ int btrfs_check_leaf(struct btrfs_root *root, struct extent_buffer *leaf) eb = btrfs_root_node(check_root); /* if leaf is the root, then it's fine */ if (leaf != eb) { - CORRUPT("non-root leaf's nritems is 0", - leaf, check_root, 0); + generic_err(check_root, leaf, 0, + "invalid nritems, have %u should not be 0 for non-root leaf", + nritems); free_extent_buffer(eb); return -EUCLEAN; } @@ -262,7 +263,11 @@ int btrfs_check_leaf(struct btrfs_root *root, struct extent_buffer *leaf) /* Make sure the keys are in the right order */ if (btrfs_comp_cpu_keys(&prev_key, &key) >= 0) { - CORRUPT("bad key order", leaf, root, slot); + generic_err(root, leaf, slot, + "bad key order, prev (%llu %u %llu) current (%llu %u %llu)", + prev_key.objectid, prev_key.type, + prev_key.offset, key.objectid, key.type, + key.offset); return -EUCLEAN; } @@ -277,7 +282,10 @@ int btrfs_check_leaf(struct btrfs_root *root, struct extent_buffer *leaf) item_end_expected = btrfs_item_offset_nr(leaf, slot - 1); if (btrfs_item_end_nr(leaf, slot) != item_end_expected) { - CORRUPT("slot offset bad", leaf, root, slot); + generic_err(root, leaf, slot, + "unexpected item end, have %u expect %u", + btrfs_item_end_nr(leaf, slot), + item_end_expected); return -EUCLEAN; } @@ -288,14 +296,21 @@ int btrfs_check_leaf(struct btrfs_root *root, struct extent_buffer *leaf) */ if (btrfs_item_end_nr(leaf, slot) > BTRFS_LEAF_DATA_SIZE(fs_info)) { - CORRUPT("slot end outside of leaf", leaf, root, slot); + generic_err(root, leaf, slot, + "slot end outside of leaf, have %u expect range [0, %u]", + btrfs_item_end_nr(leaf, slot), + BTRFS_LEAF_DATA_SIZE(fs_info)); return -EUCLEAN; } /* Also check if the item pointer overlaps with btrfs item. */ if (btrfs_item_nr_offset(slot) + sizeof(struct btrfs_item) > btrfs_item_ptr_offset(leaf, slot)) { - CORRUPT("slot overlap with its data", leaf, root, slot); + generic_err(root, leaf, slot, + "slot overlaps with its data, item end %lu data start %lu", + btrfs_item_nr_offset(slot) + + sizeof(struct btrfs_item), + btrfs_item_ptr_offset(leaf, slot)); return -EUCLEAN; } |