On Wed, Feb 28, 2024 at 11:55:32AM -0800, Darrick J. Wong wrote: > static inline bool > xmi_can_merge_all( > const struct xfs_bmbt_irec *l, > const struct xfs_bmbt_irec *m, > const struct xfs_bmbt_irec *r) > { > xfs_filblks_t new_len; > > new_len = l->br_blockcount + m->br_blockcount + r->br_blockcount; > return new_len <= XFS_MAX_BMBT_EXTLEN; > } Dumb question: can the addition overflow?