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 A3E07CDB479 for ; Wed, 24 Jun 2026 01:36:48 +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:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Nk+RbEX3vABDg6Ras4W0WVMsG3qs52+keVK6eAM+VuU=; b=URECwtRm3cT7K6ptOU7iVntGBa xSA2eFJCitdF9FMgIK+MXe6xQaXjEXCP8P/wuR/8xIjjNw+47zxb0mtO0HxzGQPw3RuzRtYNfOzRT bzTZE/jNlvH0Gh7E81Zm01xSQD9izZhH6uoGW+beigrXyms2+twGDjr8wcdn4O9xHYMEfDqw/JEMC lSy5BrZ5Dpann0i6v64Wc5RuNgw0hlp/7n00ZOyAKkS4Qti6/HgdeEcxUnur7tU76ph/ondWBQlYI lEa6kptO+D+A78xt8L6prolCGHNHKKcdsU0Y06Abr8mfb9mFE86Dmsb5sm1ci86Rdy73j1TaJQKoz iMbzKqpg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wcCXl-0000000725I-1ZXe; Wed, 24 Jun 2026 01:36:45 +0000 Received: from out30-132.freemail.mail.aliyun.com ([115.124.30.132]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wcCXh-0000000724k-3zCE for linux-nvme@lists.infradead.org; Wed, 24 Jun 2026 01:36:44 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1782264996; h=Message-ID:Date:MIME-Version:Subject:To:From:Content-Type; bh=Nk+RbEX3vABDg6Ras4W0WVMsG3qs52+keVK6eAM+VuU=; b=mtwzl1fOM4IdlCAhEGXaD5/izoPYfZJp4T0cS+RFBziPHQKjJokCqrUYz53wXC1wh3Xrn36BCvlUGKvCs/OOGZ7v6wn5DdhtuLtuxL4JPuKDX81YWu+QgwdRH6h4xMvDdweoUqf+tiuFNe9qb7daRrEyBqW+vtuODmb2HQWh2nU= X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R691e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=maildocker-contentspam033045133197;MF=kanie@linux.alibaba.com;NM=1;PH=DS;RN=7;SR=0;TI=SMTPD_---0X5Vla-j_1782264992; Received: from 30.178.83.21(mailfrom:kanie@linux.alibaba.com fp:SMTPD_---0X5Vla-j_1782264992 cluster:ay36) by smtp.aliyun-inc.com; Wed, 24 Jun 2026 09:36:33 +0800 Message-ID: <5f8ea7b9-e57b-4b7f-a98b-08ec7f06cbcd@linux.alibaba.com> Date: Wed, 24 Jun 2026 09:36:32 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] nvme-multipath: expose path_state via sysfs To: Keith Busch Cc: Jens Axboe , Christoph Hellwig , Sagi Grimberg , Nilay Shroff , Daniel Wagner , linux-nvme@lists.infradead.org References: <20260622130318.2346995-1-kanie@linux.alibaba.com> From: Guixin Liu In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260623_183642_705922_8684F81E X-CRM114-Status: UNSURE ( 7.63 ) X-CRM114-Notice: Please train this message. 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 在 2026/6/23 20:35, Keith Busch 写道: > On Mon, Jun 22, 2026 at 09:03:18PM +0800, Guixin Liu wrote: >> The attribute reflects the result of nvme_path_is_disabled() checks: >> - "enabled" : path is available for I/O >> - "disabled (ctrl_down)" : controller is not live/deleting >> - "disabled (ana_pending)" : ANA state change pending >> - "disabled (ns_not_ready)" : namespace is not ready > I'm a bit late to looking at this, but just a knee jerk thought, > wouldn't you want to distinguish "enabled optimized" vs "enabled > unoptimized"? Sure, good idea, I will change this in v3, thanks. Best Regards, Guixin Liu