From 2686fc2279c0e1272a48657dc62c16059a672da9 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Wed, 15 Sep 2021 06:51:01 -0600 Subject: [PATCH] t/io_uring: add switch -O for O_DIRECT vs buffered Signed-off-by: Jens Axboe --- t/io_uring.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/t/io_uring.c b/t/io_uring.c index aed6fdbd..0acbf0b4 100644 --- a/t/io_uring.c +++ b/t/io_uring.c @@ -554,9 +554,10 @@ static void usage(char *argv, int status) " -B : Fixed buffers, default %d\n" " -F : Register files, default %d\n" " -n : Number of threads, default %d\n" + " -O : Use O_DIRECT, default %d\n" " -N : Perform just no-op requests, default %d\n", argv, DEPTH, BATCH_SUBMIT, BATCH_COMPLETE, BS, polled, - fixedbufs, register_files, nthreads, do_nop); + fixedbufs, register_files, nthreads, !buffered, do_nop); exit(status); } @@ -572,7 +573,7 @@ int main(int argc, char *argv[]) if (!do_nop && argc < 2) usage(argv[0], 1); - while ((opt = getopt(argc, argv, "d:s:c:b:p:B:F:n:N:h?")) != -1) { + while ((opt = getopt(argc, argv, "d:s:c:b:p:B:F:n:N:O:h?")) != -1) { switch (opt) { case 'd': depth = atoi(optarg); @@ -605,6 +606,9 @@ int main(int argc, char *argv[]) case 'N': do_nop = !!atoi(optarg); break; + case 'O': + buffered = !atoi(optarg); + break; case 'h': case '?': default: -- 2.25.1