btrfs: replace BUG() with error handling in __btrfs_balance()

We search with offset (u64)-1 which should never match exactly.
Previously this was handled with BUG(). Now logs an error
and return -EUCLEAN.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Adarsh Das <adarshdas950@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Adarsh Das 2026-02-03 22:53:57 +05:30 committed by David Sterba
parent 1c88823a19
commit be6324a809

View file

@ -4367,8 +4367,14 @@ again:
* this shouldn't happen, it means the last relocate
* failed
*/
if (ret == 0)
BUG(); /* FIXME break ? */
if (unlikely(ret == 0)) {
btrfs_err(fs_info,
"unexpected exact match of CHUNK_ITEM in chunk tree, offset 0x%llx",
key.offset);
mutex_unlock(&fs_info->reclaim_bgs_lock);
ret = -EUCLEAN;
goto error;
}
ret = btrfs_previous_item(chunk_root, path, 0,
BTRFS_CHUNK_ITEM_KEY);