From patchwork Thu Mar 21 13:33:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fiona Ebner X-Patchwork-Id: 13598752 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 4C16BC54E68 for ; Thu, 21 Mar 2024 13:35:07 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rnIYo-0003j8-1C; Thu, 21 Mar 2024 09:34:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rnIYF-0003QO-UW; Thu, 21 Mar 2024 09:33:49 -0400 Received: from proxmox-new.maurer-it.com ([94.136.29.106]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rnIY7-0007yE-HO; Thu, 21 Mar 2024 09:33:46 -0400 Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id C380740E8F; Thu, 21 Mar 2024 14:33:26 +0100 (CET) From: Fiona Ebner To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, qemu-stable@nongnu.org, hreitz@redhat.com, kwolf@redhat.com, fam@euphon.net, stefanha@redhat.com, t.lamprecht@proxmox.com, w.bumiller@proxmox.com Subject: [PATCH v2 0/3] fix two edge cases related to stream block jobs Date: Thu, 21 Mar 2024 14:33:20 +0100 Message-Id: <20240321133323.831133-1-f.ebner@proxmox.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Received-SPF: pass client-ip=94.136.29.106; envelope-from=f.ebner@proxmox.com; helo=proxmox-new.maurer-it.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org Changes in v2: * Ran into another issue while writing the IO test Stefan wanted to have (good call :)), so include a fix for that and add the test. I didn't notice during manual testing, because I hadn't used a scripted QMP 'quit', so there was no race. Fiona Ebner (2): block-backend: fix edge case in bdrv_next() where BDS associated to BB changes iotests: add test for stream job with an unaligned prefetch read Stefan Reiter (1): block/io: accept NULL qiov in bdrv_pad_request block/block-backend.c | 7 +- block/io.c | 31 ++++--- .../tests/stream-unaligned-prefetch | 86 +++++++++++++++++++ .../tests/stream-unaligned-prefetch.out | 5 ++ 4 files changed, 113 insertions(+), 16 deletions(-) create mode 100755 tests/qemu-iotests/tests/stream-unaligned-prefetch create mode 100644 tests/qemu-iotests/tests/stream-unaligned-prefetch.out