On Thu, Jun 23, 2022 at 08:58:12AM -0700, Darrick J. Wong wrote: > Hmm. Does the XFS port of XFS_IOC_DIOINFO to STATX_DIOALIGN look like > this? > > struct xfs_buftarg *target = xfs_inode_buftarg(ip); > > kstat.dio_mem_align = target->bt_logical_sectorsize; > kstat.dio_offset_align = target->bt_logical_sectorsize; > kstat.result_mask |= STATX_DIOALIGN; Yes, I think so. And it would be very good to include the XFS conversion with this series as the only file systems that already supports reporting alignment constraints. I also suspect that lifting XFS_IOC_DIOINFO to common code by calling ->getattr would be useful because now all existing software using that will also do the right thing on ext4 and f2fs now.