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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 62FA1C00144 for ; Fri, 29 Jul 2022 14:26:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237054AbiG2O0M (ORCPT ); Fri, 29 Jul 2022 10:26:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35222 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237064AbiG2O0K (ORCPT ); Fri, 29 Jul 2022 10:26:10 -0400 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B61E22183A for ; Fri, 29 Jul 2022 07:26:08 -0700 (PDT) Received: by verein.lst.de (Postfix, from userid 2407) id 8205068AA6; Fri, 29 Jul 2022 16:26:05 +0200 (CEST) Date: Fri, 29 Jul 2022 16:26:05 +0200 From: Christoph Hellwig To: Chao Leng Cc: linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, hch@lst.de, sagi@grimberg.me, kbusch@kernel.org, axboe@kernel.dk Subject: Re: [PATCH 0/3] improve nvme quiesce time for large amount of namespaces Message-ID: <20220729142605.GA395@lst.de> References: <20220729073948.32696-1-lengchao@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220729073948.32696-1-lengchao@huawei.com> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Why can't we have a per-tagset quiesce flag and just wait for the one? That also really nicely supports the problem with changes in the namespace list during that time.