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 B4AD128D850 for ; Thu, 29 May 2025 09:48:49 +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=1748512131; cv=none; b=ao4tJX7pKH5wW/qHhihwVP5tJJb6LDAmw1FFvi/tU7u1P8ZY7X0s4mx/MwUPvdk1w/TrrlfSl6Ogr2tm+fhL/8ODqYsYALvVxBUOArvQk1aGUIpWPp0beYtAag3wHdKhM39HUXK9+PP4J0sd97pkzJV6Ds5GPfUqJWGKtjk3Wes= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748512131; c=relaxed/simple; bh=tJ37GiEQgPK+kXaLSCs5FYz85UyulupB0lEDDibes8Q=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gY2PePi0CpCbkK13DW1jiImcF/cZD0W3Wek6wpYJ1wChrRNjMPwGFHvEqQ7VfJeKQoCBjvPdPOUIQPuxVm/ymdPIjxI0ToFoxyZkbzd/Uzu/EHjnE8EzVW25A2ctnU4jtTnyH8D9zHe5UifmrTIoejeA+suSXtlxK3HvBOGY2x4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine 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=WlC/Rd9C; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine 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="WlC/Rd9C" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1748512128; 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=Ii9nK1D9ztG0XhbaHqDzvUWqyA0bRZma24ZQouI2Yqw=; b=WlC/Rd9Cwx07sxrJGM0NLsyrjQCO+tPdHa79aH2vjDivK/SML3VZFOv2d/McUhA4NRjFe9 pHZVoxvJ0ZrcPUMg5AhuPEAVENqj8vsPHZ0J5DJwcE4sEDrrhu2cRNbfwdjerlvwCkRjNB tSI2Ddc3OZbzm5iVPX6UnaSvb4N9udM= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-413-rPDIT-n7Nf64G3Yl0Bg7FQ-1; Thu, 29 May 2025 05:48:45 -0400 X-MC-Unique: rPDIT-n7Nf64G3Yl0Bg7FQ-1 X-Mimecast-MFC-AGG-ID: rPDIT-n7Nf64G3Yl0Bg7FQ_1748512123 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (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-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 5B7F619560B0; Thu, 29 May 2025 09:48:43 +0000 (UTC) Received: from fedora (unknown [10.72.116.35]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 9F2EC19560AF; Thu, 29 May 2025 09:48:37 +0000 (UTC) Date: Thu, 29 May 2025 17:48:32 +0800 From: Ming Lei To: Uday Shankar Cc: Jens Axboe , Caleb Sander Mateos , Andrew Morton , Shuah Khan , Jonathan Corbet , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-doc@vger.kernel.org Subject: Re: [PATCH v7 8/8] Documentation: ublk: document UBLK_F_PER_IO_DAEMON Message-ID: References: <20250527-ublk_task_per_io-v7-0-cbdbaf283baa@purestorage.com> <20250527-ublk_task_per_io-v7-8-cbdbaf283baa@purestorage.com> Precedence: bulk X-Mailing-List: linux-doc@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: <20250527-ublk_task_per_io-v7-8-cbdbaf283baa@purestorage.com> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 On Tue, May 27, 2025 at 05:01:31PM -0600, Uday Shankar wrote: > Explain the restrictions imposed on ublk servers in two cases: > 1. When UBLK_F_PER_IO_DAEMON is set (current ublk_drv) > 2. When UBLK_F_PER_IO_DAEMON is not set (legacy) > > Remove most references to per-queue daemons, as the new > UBLK_F_PER_IO_DAEMON feature renders that concept obsolete. > > Signed-off-by: Uday Shankar Reviewed-by: Ming Lei Thanks, Ming