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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 E0D3FC19776 for ; Fri, 28 Feb 2025 08:17:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=eRccp4VYUJ7iVLOPuYyafBpr1ah62bhkdlT4K+RL4I0=; b=Ag0ZjBmDoBOpZXfmqIcMj7oZUH 7LrTrkx/8FwwVGzn1MlXRa7Cg+lF4Jva5gZy1F3l3BNsyCJ6AqJhgKLaEcFVT4xXGVdNTS9joqRRA D8NzbaUt6gz2GYp383s/ItX55oS83CNbfD30o9hpsoJO+8D2Y4SxeQ7puC9ClC369j7J1rpK+GYAS N9RljPjhtCufrg2Hn3Ebt2+uBC7WTk6UD2GUiPGwiRXTlbTEpL5UDMNxFX56aC+bI2YeSmVIRtxJ5 6bLNFjitVpXArr+wCGsPqeZxdvL+8Clb+CDkabApUOP4wZQG35qLD51ZifCiOqOpqde0yF+4lS+yy wM3blWDw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tnvYm-0000000A8nW-1zaK; Fri, 28 Feb 2025 08:17:28 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tnvWc-0000000A86Y-2amX for linux-nvme@lists.infradead.org; Fri, 28 Feb 2025 08:15:15 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1740730513; 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=eRccp4VYUJ7iVLOPuYyafBpr1ah62bhkdlT4K+RL4I0=; b=aANMA/6N9+ADwy2OIwGJIeR9PLNRLSrp3kjkslju/epL5+WAy2U3EBnSpBBO/KPlStuxk8 Qoh6nPOSg5VCUqL+7z/mGPWjMiX/C+P6RS2Wwdv062O0lmc8YBPx+JENP4L6nlb9/FwJHL 1PV0OXEdDesy88tQ3QvPlLX/YwEIFUU= Received: from mx-prod-mc-06.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-557-3m0H-eIGPiCjoB2yxgVL2w-1; Fri, 28 Feb 2025 03:15:11 -0500 X-MC-Unique: 3m0H-eIGPiCjoB2yxgVL2w-1 X-Mimecast-MFC-AGG-ID: 3m0H-eIGPiCjoB2yxgVL2w_1740730510 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (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-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 7A23D180087B; Fri, 28 Feb 2025 08:15:09 +0000 (UTC) Received: from fedora (unknown [10.72.120.18]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 012F9180098C; Fri, 28 Feb 2025 08:15:03 +0000 (UTC) Date: Fri, 28 Feb 2025 16:14:57 +0800 From: Ming Lei To: Keith Busch Cc: axboe@kernel.dk, asml.silence@gmail.com, linux-block@vger.kernel.org, io-uring@vger.kernel.org, linux-nvme@lists.infradead.org, csander@purestorage.com, Keith Busch Subject: Re: [PATCHv8 5/6] ublk: zc register/unregister bvec Message-ID: References: <20250227223916.143006-1-kbusch@meta.com> <20250227223916.143006-6-kbusch@meta.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250227223916.143006-6-kbusch@meta.com> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250228_001514_725997_8C4A2BC7 X-CRM114-Status: GOOD ( 10.70 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Thu, Feb 27, 2025 at 02:39:15PM -0800, Keith Busch wrote: > From: Keith Busch > > Provide new operations for the user to request mapping an active request > to an io uring instance's buf_table. The user has to provide the index > it wants to install the buffer. > > A reference count is taken on the request to ensure it can't be > completed while it is active in a ring's buf_table. > > Signed-off-by: Keith Busch Reviewed-by: Ming Lei Thanks, Ming