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 X-Spam-Level: X-Spam-Status: No, score=-2.9 required=3.0 tests=FROM_EXCESS_BASE64, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED, USER_AGENT_NEOMUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90AC5C46470 for ; Wed, 8 Aug 2018 15:25:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 503E421A13 for ; Wed, 8 Aug 2018 15:25:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 503E421A13 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=citrix.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727531AbeHHRpM (ORCPT ); Wed, 8 Aug 2018 13:45:12 -0400 Received: from smtp.eu.citrix.com ([185.25.65.24]:4471 "EHLO SMTP.EU.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727069AbeHHRpM (ORCPT ); Wed, 8 Aug 2018 13:45:12 -0400 X-IronPort-AV: E=Sophos;i="5.53,458,1531785600"; d="scan'208";a="77357557" Date: Wed, 8 Aug 2018 17:23:13 +0200 From: Roger Pau =?utf-8?B?TW9ubsOp?= To: Juergen Gross CC: , , , , , Subject: Re: [PATCH v2 2/5] xen/blkfront: cleanup stale persistent grants Message-ID: <20180808152313.j4k6jbnw73xm2iht@mac> References: <20180808142528.31029-1-jgross@suse.com> <20180808142528.31029-3-jgross@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20180808142528.31029-3-jgross@suse.com> User-Agent: NeoMutt/20180716 X-ClientProxiedBy: AMSPEX02CAS02.citrite.net (10.69.22.113) To AMSPEX02CL02.citrite.net (10.69.22.126) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 08, 2018 at 04:25:25PM +0200, Juergen Gross wrote: > Add a periodic cleanup function to remove old persistent grants which > are no longer in use on the backend side. This avoids starvation in > case there are lots of persistent grants for a device which no longer > is involved in I/O business. > > Signed-off-by: Juergen Gross Reviewed-by: Roger Pau Monné Thanks, Roger.