From patchwork Tue Jul 12 18:06:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hanna Czenczek X-Patchwork-Id: 12915398 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A1419C43334 for ; Tue, 12 Jul 2022 18:26:14 +0000 (UTC) Received: from localhost ([::1]:52182 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oBKaL-0006dD-LJ for qemu-devel@archiver.kernel.org; Tue, 12 Jul 2022 14:26:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52036) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oBKI3-0003nY-FY for qemu-devel@nongnu.org; Tue, 12 Jul 2022 14:07:20 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:55908) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oBKI0-0006jA-3S for qemu-devel@nongnu.org; Tue, 12 Jul 2022 14:07:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1657649232; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=OMKhSIywT3yX07BzBb+QZ71bZv+P8XTHDwoB00fSABc=; b=EBh0TSDRTDSsp+8YerSy7UtpAiZv+IXggWuon4mmOuTulLeDgAqfJBHks6lMqyzVYUzUC/ uwQLP2LoPa/lmzvHB73PBIl8xAtuArpd9xYQzjgRoeRhanCr86zPSaTPkM90tUnjSTHy23 MThwiqUhEPVK8IffNmnZzna1VYLHheE= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-2-XgCJLpT0Pi-HXfwdny61KQ-1; Tue, 12 Jul 2022 14:07:01 -0400 X-MC-Unique: XgCJLpT0Pi-HXfwdny61KQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 6DE12811E81; Tue, 12 Jul 2022 18:06:59 +0000 (UTC) Received: from localhost (unknown [10.39.193.29]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2A26B2026D64; Tue, 12 Jul 2022 18:06:59 +0000 (UTC) From: Hanna Reitz To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, Hanna Reitz Subject: [PULL 23/35] block: Add blk_co_pwrite_compressed() Date: Tue, 12 Jul 2022 20:06:05 +0200 Message-Id: <20220712180617.1362407-24-hreitz@redhat.com> In-Reply-To: <20220712180617.1362407-1-hreitz@redhat.com> References: <20220712180617.1362407-1-hreitz@redhat.com> MIME-Version: 1.0 Content-type: text/plain X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 Received-SPF: pass client-ip=170.10.133.124; envelope-from=hreitz@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Alberto Faria Also convert blk_pwrite_compressed() into a generated_co_wrapper. Signed-off-by: Alberto Faria Reviewed-by: Paolo Bonzini Reviewed-by: Hanna Reitz Message-Id: <20220705161527.1054072-12-afaria@redhat.com> Signed-off-by: Hanna Reitz --- include/sysemu/block-backend-io.h | 7 +++++-- block/block-backend.c | 8 ++++---- tests/unit/test-block-iothread.c | 18 ++++++++++++++++++ 3 files changed, 27 insertions(+), 6 deletions(-) diff --git a/include/sysemu/block-backend-io.h b/include/sysemu/block-backend-io.h index 695b793a72..8500a63102 100644 --- a/include/sysemu/block-backend-io.h +++ b/include/sysemu/block-backend-io.h @@ -167,8 +167,11 @@ int blk_flush(BlockBackend *blk); int blk_ioctl(BlockBackend *blk, unsigned long int req, void *buf); -int blk_pwrite_compressed(BlockBackend *blk, int64_t offset, int64_t bytes, - const void *buf); +int generated_co_wrapper blk_pwrite_compressed(BlockBackend *blk, + int64_t offset, int64_t bytes, + const void *buf); +int coroutine_fn blk_co_pwrite_compressed(BlockBackend *blk, int64_t offset, + int64_t bytes, const void *buf); int blk_pdiscard(BlockBackend *blk, int64_t offset, int64_t bytes); int blk_pwrite_zeroes(BlockBackend *blk, int64_t offset, int64_t bytes, BdrvRequestFlags flags); diff --git a/block/block-backend.c b/block/block-backend.c index 60fb7eb3f2..f07a76aa5a 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -2314,13 +2314,13 @@ int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset, flags | BDRV_REQ_ZERO_WRITE); } -int blk_pwrite_compressed(BlockBackend *blk, int64_t offset, int64_t bytes, - const void *buf) +int coroutine_fn blk_co_pwrite_compressed(BlockBackend *blk, int64_t offset, + int64_t bytes, const void *buf) { QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes); IO_OR_GS_CODE(); - return blk_pwritev_part(blk, offset, bytes, &qiov, 0, - BDRV_REQ_WRITE_COMPRESSED); + return blk_co_pwritev_part(blk, offset, bytes, &qiov, 0, + BDRV_REQ_WRITE_COMPRESSED); } int blk_truncate(BlockBackend *blk, int64_t offset, bool exact, diff --git a/tests/unit/test-block-iothread.c b/tests/unit/test-block-iothread.c index 274e9e3653..3a46886784 100644 --- a/tests/unit/test-block-iothread.c +++ b/tests/unit/test-block-iothread.c @@ -198,6 +198,20 @@ static void test_sync_op_blk_pwritev_part(BlockBackend *blk) g_assert_cmpint(ret, ==, -EIO); } +static void test_sync_op_blk_pwrite_compressed(BlockBackend *blk) +{ + uint8_t buf[512] = { 0 }; + int ret; + + /* Late error: Not supported */ + ret = blk_pwrite_compressed(blk, 0, sizeof(buf), buf); + g_assert_cmpint(ret, ==, -ENOTSUP); + + /* Early error: Negative offset */ + ret = blk_pwrite_compressed(blk, -2, sizeof(buf), buf); + g_assert_cmpint(ret, ==, -EIO); +} + static void test_sync_op_load_vmstate(BdrvChild *c) { uint8_t buf[512]; @@ -377,6 +391,10 @@ const SyncOpTest sync_op_tests[] = { .name = "/sync-op/pwritev_part", .fn = NULL, .blkfn = test_sync_op_blk_pwritev_part, + }, { + .name = "/sync-op/pwrite_compressed", + .fn = NULL, + .blkfn = test_sync_op_blk_pwrite_compressed, }, { .name = "/sync-op/load_vmstate", .fn = test_sync_op_load_vmstate,