On Tue, Jun 25, 2024 at 09:38:51AM +0000, Chunjie Zhu wrote: > This reverts commit bf8d08532bc19a14cfb54ae61099dccadefca446 as it > causes applications unable to probe a consistent value for direct > io buffer alignment, see an example, The required alignment is available in the stx_dio_mem_align field of struct statx (and for XFS also through the older XFS_IOC_DIOINFO ioctl). No need to probe anything. And if you don't want to use that just use a conservativ block size alignment, no need to probe anything.