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 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 84153EB104A for ; Tue, 10 Mar 2026 11:13:50 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vzv1d-0004B9-7m; Tue, 10 Mar 2026 07:13:21 -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 1vzv1a-0004A7-Kj for qemu-devel@nongnu.org; Tue, 10 Mar 2026 07:13:18 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vzv1X-0007kE-Os for qemu-devel@nongnu.org; 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Tue, 10 Mar 2026 11:13:10 +0000 (UTC) Received: from redhat.com (unknown [10.45.224.112]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 564E419560A6; Tue, 10 Mar 2026 11:13:09 +0000 (UTC) Date: Tue, 10 Mar 2026 12:13:06 +0100 From: Kevin Wolf To: Hanna Czenczek Cc: qemu-block@nongnu.org, qemu-devel@nongnu.org, Brian Song Subject: Re: [PATCH v5 00/25] export/fuse: Use coroutines and multi-threading Message-ID: References: <20260309150856.26800-1-hreitz@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260309150856.26800-1-hreitz@redhat.com> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Received-SPF: pass client-ip=170.10.129.124; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -3 X-Spam_score: -0.4 X-Spam_bar: / X-Spam_report: (-0.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.819, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.903, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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 Am 09.03.2026 um 16:08 hat Hanna Czenczek geschrieben: > Hi, > > This series: > - Fixes some bugs/minor inconveniences, > - Removes libfuse from the request processing path, > - Make the FUSE export use coroutines for request handling, > > More detail on the v1 cover letter: > https://lists.nongnu.org/archive/html/qemu-block/2025-03/msg00359.html > > v2 cover letter: > https://lists.nongnu.org/archive/html/qemu-block/2025-06/msg00040.html > > v3 cover letter: > https://lists.nongnu.org/archive/html/qemu-block/2025-07/msg00005.html > > v4 cover letter: > https://lists.nongnu.org/archive/html/qemu-block/2026-02/msg00324.html > > > v4 fixes the problems Kevin has pointed out on list: > - Fix fuse-allow-other test by making the export writable, > - Drop outdated comment, > - Add comment explaining why bufptr should be explicitly set to NULL in > the empty-read branch of fuse_read(). > > And the TSA warnings indicated off-list, by making all FUSE handling > functions (which run in a coroutine) GRAPH_RDLOCK, having > fuse_co_process_request() take the lock. For this, we need to drop the > permission manipulation functions in the I/O path, but that is easy (new > patch 16). Thanks, applied to the block branch. Kevin