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=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 15903C433FE for ; Sat, 5 Dec 2020 15:30:06 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5A12222B37 for ; Sat, 5 Dec 2020 15:30:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5A12222B37 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Owner; bh=ZfCxCStQEiIS6vczlDopWtH7eJB1FfRCaYwr+7HXx24=; b=Kb2/lKxPOEnOB5FpqnuoolA96g wrN2KmTF/2uDDcXmADgtshbuUBaRag91VMyii76W0C2ncMx+fdRCBDdkjhCyLdFf1sUESBlHfsKng apEnMpYZX28O3tLsbUhvAfpdBO5TQUaGGr45cIAg/urRY9Z75gukCnMlxk0QFkaSpinR/bxkWEKaW x7alzMP1WaJ3vEkUs7r7IgBY56nbULpr8i1c2nFsRx6C3ux3ZY+RA5XNpnQAK85KeLDtgNdkjeti/ savmya5GmPscIwr57pEQGi/FspxrdBYnQazxnVvQ177YXFH5USTE3bNa5alB3ErZVoFSkpn1KuhSe ckbJP2PQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1klZVO-0005JV-AP; Sat, 05 Dec 2020 15:29:50 +0000 Received: from mx2.suse.de ([195.135.220.15]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1klZUh-0004nZ-LG for linux-nvme@lists.infradead.org; Sat, 05 Dec 2020 15:29:09 +0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id EDF44AD07; Sat, 5 Dec 2020 15:29:02 +0000 (UTC) From: Hannes Reinecke To: Christoph Hellwig Subject: [PATCH] nvme: retrigger ANA log update if group descriptor isn't found Date: Sat, 5 Dec 2020 16:29:01 +0100 Message-Id: <20201205152901.56665-1-hare@suse.de> X-Mailer: git-send-email 2.16.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201205_102907_856598_74F9E44C X-CRM114-Status: GOOD ( 13.49 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-nvme@lists.infradead.org, Sagi Grimberg , Keith Busch , Hannes Reinecke MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org If ANA is enabled but no ANA group descriptor is found when creating a new namespace the ANA log is most likely out of date, so trigger a re-read. The namespace will be tagged with the NS_ANA_PENDING flag to exclude it from path selection until the ANA log has been re-read. Reported-by: Martin George Signed-off-by: Hannes Reinecke --- drivers/nvme/host/multipath.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 74896be40c17..ee4a42dc99a0 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -667,6 +667,10 @@ void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id) if (desc.state) { /* found the group desc: update */ nvme_update_ns_ana_state(&desc, ns); + } else { + /* group desc not found: trigger a re-read */ + set_bit(NVME_NS_ANA_PENDING, &ns->flags); + queue_work(nvme_wq, &ns->ctrl->ana_work); } } else { ns->ana_state = NVME_ANA_OPTIMIZED; -- 2.26.2 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme