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=-5.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 C0079C433DB for ; Fri, 5 Mar 2021 20:31:56 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 2CD6A64F60 for ; Fri, 5 Mar 2021 20:31:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2CD6A64F60 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=grimberg.me 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=desiato.20200630; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:Cc:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=oKZyw9BOUcoRwOjUjL4dz8Ci5vDj8V2FhgjXEjbaR4o=; b=IyF65hhjieJp7MNAIidNhPDmo r4NkaE1j5jc8xsW6Is1D57FmCuEAt6V/goblY6PWHx3wd4KPz7rLtq9jigP8OzHlgthDcE+rlIc0O 2XYW2ghf/bH1d9KDpfPYgzpJQBwDPfA2r6b3UhJZhu8pYJiH/ebqfVtmiyfk3bBPVFfqtmHsisEqJ lwk162vYKOx//q4fC0nMquDqEeAKemSHShyR+/ZEuz8MH1M9RbVVW4jd4FMeF6eI6d09Gn+16kTvc ubNSPo3KcX0e8c1raP3HTPQI6QpFrr/iG1aUrW7X3al8/Kh2TT1w1eh6yK8+tAzv2BMZQAOPizxvo wF9KXWBgA==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lIH6q-00GNzH-Ro; Fri, 05 Mar 2021 20:31:40 +0000 Received: from mail-oi1-f171.google.com ([209.85.167.171]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lIH6k-00GNyA-SS for linux-nvme@lists.infradead.org; Fri, 05 Mar 2021 20:31:37 +0000 Received: by mail-oi1-f171.google.com with SMTP id l64so3878384oig.9 for ; Fri, 05 Mar 2021 12:31:34 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=M1dSFSjXUVIaf6NrvS3lSdveQSa6ZdxbfbSDlipzedA=; b=JeASt1h8Fj8zzsVNRnQlmsZTHpm9Qtljh3zpwTzMdoBfsHhjPTyvFv9228DdK6m6Vz Eckbmk0NxeC+B2/09Nbp1N2Fv1IsI979HakbHPFh1nVdI5aA2RKzGQ0KnZ3AX+Q0cxpr I0zXMwAKo/GUkg4AIhXf71xjOCryLoF/v/iz6vuS9fweIXPcdTUItf0sHCSc/ZKTtLYu BbVxhwTlLSJnp5MeKVGNYhQEYQfUF8TyF+XLHiFA0F0SVZ1GHKEJiQ43+k1brxJw1tGH 3UB4fUVyPjQr9RU8daRkDJbVi1dxzAxpgqHTqU+gLILNkBBS/gZudwGtQ+A0u4LqYcOc d32g== X-Gm-Message-State: AOAM533nIfCFuqioFEWonS6mZI+EvWAEo3seehco2GvUspV4l04HmACG eU+/rjeQnl7yuQ6CrC5Oxkdz0LJqOYg= X-Google-Smtp-Source: ABdhPJzQ+tzWC1LZIMc/xsE+FxypaYKK79Cx9WsxOYh4MI0evpZDYriMYjJ0I5BZRbLPXVSLAOoffQ== X-Received: by 2002:aca:5cd6:: with SMTP id q205mr8412549oib.94.1614976293792; Fri, 05 Mar 2021 12:31:33 -0800 (PST) Received: from ?IPv6:2600:1700:65a0:78e0:e55e:67c6:e7ec:9? ([2600:1700:65a0:78e0:e55e:67c6:e7ec:9]) by smtp.gmail.com with ESMTPSA id a23sm823739otf.20.2021.03.05.12.31.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 05 Mar 2021 12:31:33 -0800 (PST) Subject: Re: [PATCH 2/2] nvme: add 'queue_if_no_path' semantics To: Hannes Reinecke , Christoph Hellwig Cc: linux-nvme@lists.infradead.org, Keith Busch References: <20201005124500.6015-1-hare@suse.de> <20201005124500.6015-3-hare@suse.de> <20201005125201.GB1125@lst.de> <8d7d4803-5808-0839-ee4f-e36a12756497@suse.de> <20201006075153.GA10041@lst.de> <20201006082727.GC10243@lst.de> <20201006083926.GA13568@lst.de> <00e75643-d422-ca12-1648-02ca89044182@suse.de> From: Sagi Grimberg Message-ID: <28830f4b-181d-2a4d-0bdd-2f63fcdbcf72@grimberg.me> Date: Fri, 5 Mar 2021 12:31:31 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210305_203135_913970_6B0BB363 X-CRM114-Status: GOOD ( 19.17 ) 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: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Cj4gQ29tcGFyZSB0aGF0IHRvIHRoZSAnc3RhbmRhcmQnLCBub24tQ01JQyBudm1lLCB3aGVyZSB3 aXRoIHRoZSBzYW1lIHNldHVwIAo+IE1EIHdvdWxkIGRldGFjaCB0aGUgbnZtZSBvbiBpdHMgb3du Ogo+IAo+ICMgY2F0IC9wcm9jL21kc3RhdAo+IFBlcnNvbmFsaXRpZXMgOiBbcmFpZDEwXQo+IG1k MTI3IDogYWN0aXZlIChhdXRvLXJlYWQtb25seSkgcmFpZDEwIG52bWUybjFbMV0KPiAgwqDCoMKg wqDCoCA0MTg5MTg0IGJsb2NrcyBzdXBlciAxLjIgMiBuZWFyLWNvcGllcyBbMi8xXSBbX1VdCj4g IMKgwqDCoMKgwqAgYml0bWFwOiAwLzEgcGFnZXMgWzBLQl0sIDY1NTM2S0IgY2h1bmsKPiAKPiB1 bnVzZWQgZGV2aWNlczogPG5vbmU+Cj4gIyBudm1lIGxpc3QKPiBOb2RlwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgIFNOwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIE1vZGVsIMKg wqDCoMKgwqAgTmFtZXNwYWNlIAo+IFVzYWdlwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgIEZvcm1hdMKgwqDCoMKgwqDCoMKgwqDCoMKgIEZXIFJldgo+IC0tLS0tLS0t LS0tLS0tLS0gLS0tLS0tLS0tLS0tLS0tLS0tLS0gCj4gLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLSAtLS0tLS0tLS0gCj4gLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0g LS0tLS0tLS0tLS0tLS0tLSAtLS0tLS0tLQo+IC9kZXYvbnZtZTBuMcKgwqDCoMKgIFNMRVNOVk1F McKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgUUVNVSBOVk1lIEN0cmwgwqDCoMKgwqDCoCAxICAgICAg ICAgIAo+IDE3LjE4wqAgR0IgL8KgIDE3LjE4wqAgR0LCoMKgwqAgNTEywqDCoCBCICvCoCAwIELC oMKgIDEuMAo+IC9kZXYvbnZtZTJuMcKgwqDCoMKgIFNMRVNOVk1FM8KgwqDCoMKgwqDCoMKgwqDC oMKgwqAgUUVNVSBOVk1lIEN0cmwgwqDCoMKgwqDCoCAxICAgICAgICAgICAKPiA0LjI5wqAgR0Ig L8KgwqAgNC4yOcKgIEdCwqDCoMKgIDUxMsKgwqAgQiArwqAgMCBCwqDCoCAxLjAKPiAKPiBBbmQg eWVzLCB0aGlzIGlzIGV4YWN0bHkgdGhlIHNhbWUgc2V0dXAsIHRoZSBvbmx5IGRpZmZlcmVuY2Ug YmVpbmcgdGhlIAo+IENNSUMgc2V0dGluZyBmb3IgdGhlIE5WTWUgZGV2aWNlLgoKSSBhZ3JlZSB3 aXRoIENocmlzdG9waCB0aGF0IHdlIHNob3VsZCBkbyBleGFjdGx5IHRoZSBzYW1lIGZvciBhbGwu CgpIYW5uZXMsIE15IHVuZGVyc3RhbmRpbmcgaGVyZSBpcyB0aGF0IHlvdSB3YW50IHRoZSBkZXZp Y2UgdG8gZ28gYXdheQphZnRlciB0aGUgbGFzdCBwYXRoIGRpc2FwcGVhcmVkIGJlY2F1c2UgaXQg YnJlYWtzIG1kLCB3aHkgZG9uJ3QgeW91CndhbnQgdG8gaGF2ZSB0aGlzIGFsc28gZm9yIGZhYnJp Y3M/CgpZb3UgbWVudGlvbiB0aGF0IGluIGZhYnJpY3Mgb25lIGNhbiBtYW51YWxseSBkaXNjb25u ZWN0LCBidXQgd2h5IHNob3VsZAp0aGUgdXNlciByZXNvcnQgdG8gYSBtYW51YWwgZGlzY29ubmVj dD8KCklzIHNvbWV0aGluZyBlbHNlIGJyb2tlbiB3aXRoIHRoaXMgYmVoYXZpb3I/IE1heWJlIEkg YW0gbWlzc2luZwpzb21ldGhpbmcgaGVyZT8KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCkxpbnV4LW52bWUgbWFpbGluZyBsaXN0CkxpbnV4LW52bWVAbGlz dHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2xpbnV4LW52bWUK