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. 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
