On Tue, Nov 01, 2022 at 08:32:30PM -0700, Eric Biggers wrote:
> On Tue, Nov 01, 2022 at 03:00:31PM -0400, Stefan Hajnoczi wrote:
> > /* Let's try to use the logical blocksize for the alignment. */
> > -if (probe_logical_blocksize(fd, &bs->bl.request_alignment) < 0) {
> > -bs->bl.re
On Tue, Nov 01, 2022 at 03:00:31PM -0400, Stefan Hajnoczi wrote:
> /* Let's try to use the logical blocksize for the alignment. */
> -if (probe_logical_blocksize(fd, &bs->bl.request_alignment) < 0) {
> -bs->bl.request_alignment = 0;
> +if (!bs->bl.request_alignment) {
> +
Linux commit 825cf206ed51 ("statx: add direct I/O alignment
information") added an interface to fetch O_DIRECT alignment values for
block devices and file systems.
Prefer STATX_DIOALIGN to older interfaces and probing, but keep them as
fallbacks in case STATX_DIOALIGN cannot provide the informatio
