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=-7.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no 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 0AEE6C433F2 for ; Mon, 27 Jul 2020 16:08:22 +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 D04E32073E for ; Mon, 27 Jul 2020 16:08:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="QUJSmvZH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D04E32073E 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=00N2qc9DvLfWtc6RZniDem3EaSUcnic6gyf8gf2GZwM=; b=QUJSmvZHC1o3iDFSS29CtLYlti 7ghtyYzO1hwLDRUOi/GaccXvxf1y1FoUff9+JQJwqJlZI670aPB7nihHrf8a19eJ/443C6A4+OE/D 2dkQ2NBjY+FfLkGPQbAQ6xuI9d7zDm9g6IguTTYO4K2QXZZyQfexuJdnT4pLoI7bmpAWEN+L1fM/i kH6lFFA6AkH4FTi9yZjzjWIc0qEabhITl53KjUvpo06qHdgyumZadwIiUCoi8Fwo92wn7Atuxpn8x R9kfLEpSZvsypxBpnTDtzpHAF7HdWzCQUd5uAiBZlIJezdoC0OCK+YYtrouplxaSsTVaoYaHZXo13 /vVj5l5Q==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k05fk-0004dF-EF; Mon, 27 Jul 2020 16:08:16 +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 1k05fh-0004c3-F3 for linux-nvme@lists.infradead.org; Mon, 27 Jul 2020 16:08:14 +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 880FEADF5; Mon, 27 Jul 2020 16:08:21 +0000 (UTC) From: Hannes Reinecke To: Christoph Hellwig Subject: [PATCH 0/2] nvme-multipath: fixes for non-optimized paths Date: Mon, 27 Jul 2020 18:08:01 +0200 Message-Id: <20200727160803.55683-1-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-20200727_120813_607505_A931E9F1 X-CRM114-Status: GOOD ( 12.57 ) 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: Hannes Reinecke , linux-nvme@lists.infradead.org, Sagi Grimberg , Keith Busch , Martin Wilck 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 Hi all, one of our partners informed us that the round-robin path selector didn't do the right thing when only one optimized path (or, indeed, none at all) are present. These patches will fixup nvme_round_robin() to handle the case when less than two optimized (but several non-optimized) paths are present. These pathes are a rework of the earlier patches send by Martin Wilck. As usual, comments and reviews are welcome. Hannes Reinecke (1): nvme-multipath: do not fall back to __nvme_find_path() for non-optimized paths Martin Wilck (1): nvme-multipath: fix logic for non-optimized paths drivers/nvme/host/multipath.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) -- 2.16.4 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme