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btrfs: use btrfs_tree_block_status for leaf item errors

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We have a variety of item specific errors that can occur.  For now
simply put these under the umbrella of BTRFS_TREE_BLOCK_INVALID_ITEM,
this can be fleshed out as we need in the future.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2023-04-29 16:07:14 -04:00 committed by David Sterba
parent a7b4e6c7aa
commit c8d5421563
1 changed files with 12 additions and 7 deletions
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17
fs/btrfs/tree-checker.c
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@ -1620,8 +1620,9 @@ static int check_inode_ref(struct extent_buffer *leaf,
/*
* Common point to switch the item-specific validation.
*/
static int check_leaf_item(struct extent_buffer *leaf,
struct btrfs_key *key, int slot,
static enum btrfs_tree_block_status check_leaf_item(struct extent_buffer *leaf,
struct btrfs_key *key,
int slot,
struct btrfs_key *prev_key)
{
int ret = 0;
@ -1671,7 +1672,10 @@ static int check_leaf_item(struct extent_buffer *leaf,
ret = check_extent_data_ref(leaf, key, slot);
break;
}
return ret;
if (ret)
return BTRFS_TREE_BLOCK_INVALID_ITEM;
return BTRFS_TREE_BLOCK_CLEAN;
}
int btrfs_check_leaf(struct extent_buffer *leaf)
@ -1751,7 +1755,6 @@ int btrfs_check_leaf(struct extent_buffer *leaf)
for (slot = 0; slot < nritems; slot++) {
u32 item_end_expected;
u64 item_data_end;
int ret;
btrfs_item_key_to_cpu(leaf, &key, slot);
@ -1812,13 +1815,15 @@ int btrfs_check_leaf(struct extent_buffer *leaf)
* may be in some intermediate state and won't appear valid.
*/
if (btrfs_header_flag(leaf, BTRFS_HEADER_FLAG_WRITTEN)) {
enum btrfs_tree_block_status ret;
/*
* Check if the item size and content meet other
* criteria
*/
ret = check_leaf_item(leaf, &key, slot, &prev_key);
if (unlikely(ret < 0))
return ret;
if (unlikely(ret != BTRFS_TREE_BLOCK_CLEAN))
return -EUCLEAN;
}
prev_key.objectid = key.objectid;