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 2EC15EEA845 for ; Thu, 12 Feb 2026 18:54:53 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vqbot-0003xv-Cj; Thu, 12 Feb 2026 13:53:43 -0500 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 1vqboq-0003wU-0Y for qemu-devel@nongnu.org; Thu, 12 Feb 2026 13:53:40 -0500 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 1vqbon-0004A5-HN for qemu-devel@nongnu.org; Thu, 12 Feb 2026 13:53:39 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1770922416; 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=bAw4aZ+gjR2jUwxxxnqb+AbK06zKP891V04ZINb5pEI=; b=ScbWU3qJaBTGcxHZ225BWtmLMEEXrORnilgA4hki1RYM8CtmjsReaVpXRdJxOTZoosNupe fuVBHG+WDgPTH+5Bn1pQ7uRLhAxyEwwl+jg4YLkwv6rVhsROPwkZSul14YCPADDEGqqDtq oxYWgeODzdJVLxj7fidZEDt74HIpIrU= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-379-dZbSVNAaOOyzi3ZJyCcYfQ-1; Thu, 12 Feb 2026 13:53:33 -0500 X-MC-Unique: dZbSVNAaOOyzi3ZJyCcYfQ-1 X-Mimecast-MFC-AGG-ID: dZbSVNAaOOyzi3ZJyCcYfQ_1770922412 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 1386518003F5; Thu, 12 Feb 2026 18:53:32 +0000 (UTC) Received: from localhost (unknown [10.2.17.121]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 9875330001B9; Thu, 12 Feb 2026 18:53:31 +0000 (UTC) Date: Wed, 11 Feb 2026 16:08:21 -0500 From: Stefan Hajnoczi To: Brian Song Cc: qemu-block@nongnu.org, qemu-devel@nongnu.org, hreitz@redhat.com, kwolf@redhat.com, eblake@redhat.com, armbru@redhat.com, fam@euphon.net, bernd@bsbernd.com Subject: Re: [Patch v4 3/7] fuse: uring support for write ops Message-ID: <20260211210821.GC234157@fedora> References: <20260207120901.17222-1-hibriansong@gmail.com> <20260207120901.17222-4-hibriansong@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="xGDj1//P3GnKN9wn" Content-Disposition: inline In-Reply-To: <20260207120901.17222-4-hibriansong@gmail.com> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass client-ip=170.10.129.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DATE_IN_PAST_12_24=1.049, 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=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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 --xGDj1//P3GnKN9wn Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Feb 07, 2026 at 08:08:57PM +0800, Brian Song wrote: > The payload of each uring entry serves as the buffer holding file data > for read/write operations. In this patch, fuse_co_write is refactored > to support using different buffer sources for write operations in > legacy and io_uring modes. >=20 > Suggested-by: Kevin Wolf > Suggested-by: Stefan Hajnoczi > Signed-off-by: Brian Song > --- > block/export/fuse.c | 55 ++++++++++++++++++++++++++++++--------------- > 1 file changed, 37 insertions(+), 18 deletions(-) Reviewed-by: Stefan Hajnoczi --xGDj1//P3GnKN9wn Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAmmM78UACgkQnKSrs4Gr c8hdZggAlwwBSRDQZ42W8hrkqb82O8DgCE8P3cuJS0vgzALzDREg9Z4pCaT/BG+j SJE07uqZv06PLlfhPWQIXl/qEhwXVd0Q5vsTCHdVKYaP5pFOXyt6jPPVqgSb+Dzn 9xwXj2M5wKSDoENwd9L6z+cWeijk2d/+z3necKv1ilSax2Aho5Su2cqSQw4kQPeG 8tmi1KWEfCOV2rtF9EP7HHoniPpm8zjrrW6KU8+7dZlxtwYgL4jXEa872eMEPwLo iq/DTBzt7y4igZD1doesfoNFvKYmnU5b0yhZeQCFo+IxHt1ois7QhULuap1umFiS tKMKjyWbAf45UOoz+eB3BpwwyN6CPQ== =XSjR -----END PGP SIGNATURE----- --xGDj1//P3GnKN9wn--