From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7ED7C4321E for ; Fri, 22 Apr 2022 11:48:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1447168AbiDVLvn (ORCPT ); Fri, 22 Apr 2022 07:51:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52056 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1447174AbiDVLvm (ORCPT ); Fri, 22 Apr 2022 07:51:42 -0400 Received: from mx0b-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9051056415 for ; Fri, 22 Apr 2022 04:48:48 -0700 (PDT) Received: from pps.filterd (m0109331.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 23M5bgQD001453 for ; Fri, 22 Apr 2022 04:48:47 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=facebook; bh=dr6HdvLkyT5dS5Rp2QO3odA/+QpRCYukA/TYP0nZYV8=; b=X3EmS6mRrxuNGFHOujozYAJh+dBAqjJkXH1Kt5I7aygeB1oUE4kkrUjtSlrZ45wxSeO+ 7AtGcsRr7zEdUKK/CfpBqC0r29u/cEpG/ZmRLHQE6lgGt2NNGrtlmgLGr//d9TQ0CLY9 yEmmOhpOaBwpoS9Jp7LjAUFBWzqNMkqqjt8= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3fkpcmhprf-3 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Fri, 22 Apr 2022 04:48:47 -0700 Received: from twshared6486.05.ash9.facebook.com (2620:10d:c085:208::11) by mail.thefacebook.com (2620:10d:c085:21d::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Fri, 22 Apr 2022 04:48:45 -0700 Received: by devbig039.lla1.facebook.com (Postfix, from userid 572232) id AE6F37DC56BB; Fri, 22 Apr 2022 04:48:31 -0700 (PDT) From: Dylan Yudaken To: CC: , , , Dylan Yudaken Subject: [PATCH liburing 7/7] test: use remove_buffers instead of nop to generate error codes Date: Fri, 22 Apr 2022 04:48:15 -0700 Message-ID: <20220422114815.1124921-8-dylany@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220422114815.1124921-1-dylany@fb.com> References: <20220422114815.1124921-1-dylany@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-ORIG-GUID: 6AVJKLrvPpG1L-xAmql6WYgiyP_OdNyJ X-Proofpoint-GUID: 6AVJKLrvPpG1L-xAmql6WYgiyP_OdNyJ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-04-22_03,2022-04-22_01,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org This is in prep for allwoing NOP to be used in IOPOLL mode. remove_buffer= s will consistently return ENOENT if asked to remove buffers from a nonexistent group, and so this is a suitable replacement. Other opcodes return -EINVAL in IOPOLL from the prep stage, which has slightly differen= t behaviour. Signed-off-by: Dylan Yudaken --- test/defer.c | 28 ++++++++++++++++++++-------- test/link.c | 6 +++--- 2 files changed, 23 insertions(+), 11 deletions(-) diff --git a/test/defer.c b/test/defer.c index 825b69f..68ee4b4 100644 --- a/test/defer.c +++ b/test/defer.c @@ -12,6 +12,10 @@ #include "liburing.h" =20 #define RING_SIZE 128 +enum { + OP_NOP, + OP_REMOVE_BUFFERS +}; =20 struct test_context { struct io_uring *ring; @@ -27,7 +31,8 @@ static void free_context(struct test_context *ctx) memset(ctx, 0, sizeof(*ctx)); } =20 -static int init_context(struct test_context *ctx, struct io_uring *ring,= int nr) +static int init_context(struct test_context *ctx, struct io_uring *ring,= int nr, + int op) { struct io_uring_sqe *sqe; int i; @@ -45,7 +50,14 @@ static int init_context(struct test_context *ctx, stru= ct io_uring *ring, int nr) sqe =3D io_uring_get_sqe(ring); if (!sqe) goto err; - io_uring_prep_nop(sqe); + switch (op) { + case OP_NOP: + io_uring_prep_nop(sqe); + break; + case OP_REMOVE_BUFFERS: + io_uring_prep_remove_buffers(sqe, 10, 1); + break; + }; sqe->user_data =3D i; ctx->sqes[i] =3D sqe; } @@ -81,7 +93,7 @@ static int test_cancelled_userdata(struct io_uring *rin= g) struct test_context ctx; int ret, i, nr =3D 100; =20 - if (init_context(&ctx, ring, nr)) + if (init_context(&ctx, ring, nr, OP_NOP)) return 1; =20 for (i =3D 0; i < nr; i++) @@ -115,7 +127,7 @@ static int test_thread_link_cancel(struct io_uring *r= ing) struct test_context ctx; int ret, i, nr =3D 100; =20 - if (init_context(&ctx, ring, nr)) + if (init_context(&ctx, ring, nr, OP_REMOVE_BUFFERS)) return 1; =20 for (i =3D 0; i < nr; i++) @@ -134,12 +146,12 @@ static int test_thread_link_cancel(struct io_uring = *ring) bool fail =3D false; =20 if (i =3D=3D 0) - fail =3D (ctx.cqes[i].res !=3D -EINVAL); + fail =3D (ctx.cqes[i].res !=3D -ENOENT); else fail =3D (ctx.cqes[i].res !=3D -ECANCELED); =20 if (fail) { - printf("invalid status\n"); + printf("invalid status %d\n", ctx.cqes[i].res); goto err; } } @@ -158,7 +170,7 @@ static int test_drain_with_linked_timeout(struct io_u= ring *ring) struct test_context ctx; int ret, i; =20 - if (init_context(&ctx, ring, nr * 2)) + if (init_context(&ctx, ring, nr * 2, OP_NOP)) return 1; =20 for (i =3D 0; i < nr; i++) { @@ -188,7 +200,7 @@ static int run_drained(struct io_uring *ring, int nr) struct test_context ctx; int ret, i; =20 - if (init_context(&ctx, ring, nr)) + if (init_context(&ctx, ring, nr, OP_NOP)) return 1; =20 for (i =3D 0; i < nr; i++) diff --git a/test/link.c b/test/link.c index c89d6b2..41d3899 100644 --- a/test/link.c +++ b/test/link.c @@ -178,7 +178,7 @@ static int test_single_link_fail(struct io_uring *rin= g) goto err; } =20 - io_uring_prep_nop(sqe); + io_uring_prep_remove_buffers(sqe, 10, 1); sqe->flags |=3D IOSQE_IO_LINK; =20 sqe =3D io_uring_get_sqe(ring); @@ -205,8 +205,8 @@ static int test_single_link_fail(struct io_uring *rin= g) printf("failed to get cqe\n"); goto err; } - if (i =3D=3D 0 && cqe->res !=3D -EINVAL) { - printf("sqe0 failed with %d, wanted -EINVAL\n", cqe->res); + if (i =3D=3D 0 && cqe->res !=3D -ENOENT) { + printf("sqe0 failed with %d, wanted -ENOENT\n", cqe->res); goto err; } if (i =3D=3D 1 && cqe->res !=3D -ECANCELED) { --=20 2.30.2