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 6A303EB64DC for ; Mon, 10 Jul 2023 05:53:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229736AbjGJFxM (ORCPT ); Mon, 10 Jul 2023 01:53:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229553AbjGJFxM (ORCPT ); Mon, 10 Jul 2023 01:53:12 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 57D3DFB for ; Sun, 9 Jul 2023 22:52:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1688968345; 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: in-reply-to:in-reply-to:references:references; bh=2K52jyfMXQ896NNNb2VdJ1cCkY7IZeKXb4JhCxLXus4=; b=SNxSiZnnUfquI0gvJPH3WE9Bv8henUDhK+INhI+6JyRuH9I+ylGxn0l23PVsJ1CSKGdE8R wUyGs/T/ECTWFoeBjoJxTVJW9E4aDMf7ZLfV6ot8FT7OFikdlS75S/qbmFiCrPvnh8tN/p vYY1XBdtGPbaFhsIvK0PLlGdTjoXpbk= Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-168-Q_lcSqv9NhKBkjg5obHSMw-1; Mon, 10 Jul 2023 01:52:24 -0400 X-MC-Unique: Q_lcSqv9NhKBkjg5obHSMw-1 Received: by mail-wm1-f72.google.com with SMTP id 5b1f17b1804b1-3fa979d0c32so24124765e9.2 for ; Sun, 09 Jul 2023 22:52:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688968343; x=1691560343; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=2K52jyfMXQ896NNNb2VdJ1cCkY7IZeKXb4JhCxLXus4=; b=K8HUtMPTcXE5y5NoTWUxI/MQNWDE3+4A9N8rCD4bv8++pbrGhPYp50uAA/7SCJ0S2x 2dRNuAAnA5pbv6n28SYn6fDb7k9tU51tH77YzgImhGluj5+vAV0WQpdziqmeEULI5vtH 1yd8vvCe5eenagN0msbf2iGOjfJEUUZzRcXvGH+6Ey/jvZaoOnEZDY/HhTAy9MeLwCDj 0m7r+XYyzEZcRwGO6IFG5B/omvpeGe8DsJsLaMEnH4Dkmsu55czsrgpyHXWpbHoWPlfS aLIiQ0kDwqYPLJjcgw8ZmklA7OUh5D7peM/QYwL3kk2E7+6B7lgh/LnsD7feT4AZmIQv 7mkA== X-Gm-Message-State: ABy/qLYNfJ5P/8UNwlp3GgssJ6nCoJCBAWvCDT3UjIR1IXghChsU5gg0 yzACsxUrKTMz85fuuk+epCYytiU+tPiPr9czQ0JWN3LW1NKI73U+igxTpNB8wlNWisr2EoddCGs yGUC44/qOpLTfm27n8RVwHEAFXiVQtQ== X-Received: by 2002:a05:600c:2313:b0:3fc:521:8492 with SMTP id 19-20020a05600c231300b003fc05218492mr5262416wmo.5.1688968342928; Sun, 09 Jul 2023 22:52:22 -0700 (PDT) X-Google-Smtp-Source: APBJJlEX0MBIPIVZb0Ml0+vup7VUgMycj1blZD7PFdfB9Im1EaU1Fa8yaiSZY7CKGQPrbwAQn1eEsQ== X-Received: by 2002:a05:600c:2313:b0:3fc:521:8492 with SMTP id 19-20020a05600c231300b003fc05218492mr5262405wmo.5.1688968342576; Sun, 09 Jul 2023 22:52:22 -0700 (PDT) Received: from redhat.com ([2.52.3.112]) by smtp.gmail.com with ESMTPSA id i8-20020a5d5588000000b0030fa3567541sm10646951wrv.48.2023.07.09.22.52.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 Jul 2023 22:52:22 -0700 (PDT) Date: Mon, 10 Jul 2023 01:52:19 -0400 From: "Michael S. Tsirkin" To: Mike Christie Cc: target-devel@vger.kernel.org, linux-scsi@vger.kernel.org, stefanha@redhat.com, pbonzini@redhat.com, jasowang@redhat.com, sgarzare@redhat.com, virtualization@lists.linux-foundation.org Subject: Re: [PATCH v2 0/2] vhost-scsi: Fix IO hangs when using windows Message-ID: <20230710015042-mutt-send-email-mst@kernel.org> References: <20230709202859.138387-1-michael.christie@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230709202859.138387-1-michael.christie@oracle.com> Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On Sun, Jul 09, 2023 at 03:28:57PM -0500, Mike Christie wrote: > The following patches were made over Linus's tree and fix an issue > where windows guests will send iovecs with offset/lengths that result > in IOs that are not aligned to 512. The LIO layer will then send them > to Linux's FS/block layer but it requires 512 byte alignment, so > depending on the FS/block driver being used we will get IO errors or > hung IO. > > The following patches have vhost-scsi detect when windows sends these > IOs and copy them to a bounce buffer. It then does some cleanup in > the related code. Thanks, tagged! Mike, you are the main developer on vhost/scsi recently. Do you want to be listed in MAINTAINERS too? This implies you will be expected to review patches/bug reports though. Thanks, -- MST