On Mon, Sep 23, 2024 at 10:06 AM Wu Bo <wubo.oduw@xxxxxxxxx> wrote: > > According to the statx manual, if stx_dio_offset_align is 0, it > indicates that Direct I/O (DIO) is not supported on this file. There's already a patch for this: https://lore.kernel.org/fstests/20240911035333.364961-1-chao@xxxxxxxxxx/ (but not merged yet) Thanks. > > Signed-off-by: Wu Bo <wubo.oduw@xxxxxxxxx> > --- > src/min_dio_alignment.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/src/min_dio_alignment.c b/src/min_dio_alignment.c > index 131f6023..c50ae8c3 100644 > --- a/src/min_dio_alignment.c > +++ b/src/min_dio_alignment.c > @@ -28,7 +28,7 @@ static int min_dio_alignment(const char *mntpnt, const char *devname) > fd = open(mntpnt, O_TMPFILE | O_RDWR | O_EXCL, 0600); > if (fd >= 0 && > xfstests_statx(fd, "", AT_EMPTY_PATH, STATX_DIOALIGN, &stx) == 0 && > - (stx.stx_mask & STATX_DIOALIGN)) > + (stx.stx_mask & STATX_DIOALIGN) && stx.stx_dio_offset_align) > return stx.stx_dio_offset_align; > > /* > -- > 2.34.1 > >
