From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 756681FE44B for ; Fri, 28 Feb 2025 08:15:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740730517; cv=none; b=UN0UTiITcVp/3OQfqwFWccgN1H2KFFaQ7nkB0onq5yjMzUp6Y7/3qA94V/QuVFxl5qKfmFeIk48FU8JtgXuU4HprgxPznX3UjEEbHh0MoISC7X6/f1yJwsQ3tUWbIqXZm/2gRUgkHNTZjpMTrylCrqj5Fo5h7KyaNP9gUpIfUVw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740730517; c=relaxed/simple; bh=dLVxveumxeenUcUSHn3NT0dRVr6/tZoHTjuD3Vnu6fc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dim01cmR3Lx0HBP2fUyi6ZSM7540k36ygKc1GTIDUzCh9i5EflKvFVdEb0QFBx2yvmX543HIxNZ/7AixOgkJlvFlfrsrpdGGvuXhoBwK879v4e0eezaN8dbO8isiV0uEMw/VBGQBzJ9aIBB7XpXL+QKKxaXoiDJ0j8db5+mu0Xc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=Jro7XiJ3; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Jro7XiJ3" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1740730515; 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=Jro7XiJ3bGrXFRj765v99SjJn/tDh4tTdaOH/xkj3fgtVp8gz8ZDJbC+Psu3VpJbccn1T/ 8bp52/CmKddagUSJedw5RhXckzwWg5Fbpykjd8vIOAEceys59kspPRf5peN/fozwHONp+u wXrL+o4WozB+9krVoO8q3bYy26lHiZo= 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> Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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