> if (xfs_sb_version_hasmetauuid(sb)) > - size = offsetof(xfs_sb_t, sb_meta_uuid) > + size = offsetof(struct xfs_dsb, sb_meta_uuid) > + sizeof(sb->sb_meta_uuid); It would be nice to fix the formatting here, or maybe even add a a field_end() or simіlar helper here.. Otherwise looks good: Reviewed-by: Christoph Hellwig <hch@xxxxxx>