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=-5.5 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 217B6C433DB for ; Mon, 8 Mar 2021 13:17:24 +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 A979E651CD for ; Mon, 8 Mar 2021 13:17:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A979E651CD 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=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:Subject: From:References:Cc:To:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=/ra3Dccq+XTox1hfv4TsiCfbLlDWT52ItiOOyKamy4I=; b=LdQh5iGOmsTKU5j3LxkG2rirM q61LQhR6Y9qOoaQajWCieYWsocEavw2h58J1QL6QI01Gyz3JdDoXU1mWqmaaYrrnvMFznymgeLfeG pWYHQAIy8AHBoIwGiitNb3OXTaMjF5PnOM3fD17EO9wDxyhHKotujehWccmgjTOIAAjK7uiypJQ+z eCVseFkPSkCjPl/hP6YbkdCWTXWXpleHx7oKJ4JvbqTlP53l/b/fmNnyiYXsNyNdDn9fxKD1JuXLc R/41EqHX0s0yvFh8vSm8v+wq79o41yO24/p7k43M4UXf8ZlJZ0iCXcLnG2gHAtN1SDbUXU2fDMSoJ SmugrKssQ==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lJFl2-00HOJO-Ac; Mon, 08 Mar 2021 13:17:12 +0000 Received: from mx2.suse.de ([195.135.220.15]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lJFkx-00HOHm-UN for linux-nvme@lists.infradead.org; Mon, 08 Mar 2021 13:17:10 +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 B8721AD74; Mon, 8 Mar 2021 13:17:06 +0000 (UTC) To: Sagi Grimberg , 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> <28830f4b-181d-2a4d-0bdd-2f63fcdbcf72@grimberg.me> From: Hannes Reinecke Subject: Re: [PATCH 2/2] nvme: add 'queue_if_no_path' semantics Message-ID: <44affc5e-d655-aa1c-55fe-65805d66065a@suse.de> Date: Mon, 8 Mar 2021 14:17:06 +0100 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: <28830f4b-181d-2a4d-0bdd-2f63fcdbcf72@grimberg.me> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210308_131708_471004_BAC88A62 X-CRM114-Status: GOOD ( 21.21 ) 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-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org T24gMy81LzIxIDk6MzEgUE0sIFNhZ2kgR3JpbWJlcmcgd3JvdGU6Cj4gCj4+IENvbXBhcmUgdGhh dCB0byB0aGUgJ3N0YW5kYXJkJywgbm9uLUNNSUMgbnZtZSwgd2hlcmUgd2l0aCB0aGUgc2FtZQo+ PiBzZXR1cCBNRCB3b3VsZCBkZXRhY2ggdGhlIG52bWUgb24gaXRzIG93bjoKPj4KPj4gIyBjYXQg L3Byb2MvbWRzdGF0Cj4+IFBlcnNvbmFsaXRpZXMgOiBbcmFpZDEwXQo+PiBtZDEyNyA6IGFjdGl2 ZSAoYXV0by1yZWFkLW9ubHkpIHJhaWQxMCBudm1lMm4xWzFdCj4+IMKgwqDCoMKgwqDCoCA0MTg5 MTg0IGJsb2NrcyBzdXBlciAxLjIgMiBuZWFyLWNvcGllcyBbMi8xXSBbX1VdCj4+IMKgwqDCoMKg wqDCoCBiaXRtYXA6IDAvMSBwYWdlcyBbMEtCXSwgNjU1MzZLQiBjaHVuawo+Pgo+PiB1bnVzZWQg ZGV2aWNlczogPG5vbmU+Cj4+ICMgbnZtZSBsaXN0Cj4+IE5vZGXCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqAgU07CoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgTW9kZWwgwqDCoMKg wqDCoCBOYW1lc3BhY2UKPj4gVXNhZ2XCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqAgRm9ybWF0wqDCoMKgwqDCoMKgwqDCoMKgwqAgRlcgUmV2Cj4+IC0tLS0tLS0tLS0t LS0tLS0gLS0tLS0tLS0tLS0tLS0tLS0tLS0KPj4gLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLSAtLS0tLS0tLS0KPj4gLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0gLS0t LS0tLS0tLS0tLS0tLSAtLS0tLS0tLQo+PiAvZGV2L252bWUwbjHCoMKgwqDCoCBTTEVTTlZNRTHC oMKgwqDCoMKgwqDCoMKgwqDCoMKgIFFFTVUgTlZNZSBDdHJsIMKgwqDCoMKgwqAgMcKgwqDCoMKg wqDCoMKgwqDCoAo+PiAxNy4xOMKgIEdCIC/CoCAxNy4xOMKgIEdCwqDCoMKgIDUxMsKgwqAgQiAr wqAgMCBCwqDCoCAxLjAKPj4gL2Rldi9udm1lMm4xwqDCoMKgwqAgU0xFU05WTUUzwqDCoMKgwqDC oMKgwqDCoMKgwqDCoCBRRU1VIE5WTWUgQ3RybCDCoMKgwqDCoMKgIDHCoMKgwqDCoMKgwqDCoMKg wqDCoAo+PiA0LjI5wqAgR0IgL8KgwqAgNC4yOcKgIEdCwqDCoMKgIDUxMsKgwqAgQiArwqAgMCBC wqDCoCAxLjAKPj4KPj4gQW5kIHllcywgdGhpcyBpcyBleGFjdGx5IHRoZSBzYW1lIHNldHVwLCB0 aGUgb25seSBkaWZmZXJlbmNlIGJlaW5nIHRoZQo+PiBDTUlDIHNldHRpbmcgZm9yIHRoZSBOVk1l IGRldmljZS4KPiAKPiBJIGFncmVlIHdpdGggQ2hyaXN0b3BoIHRoYXQgd2Ugc2hvdWxkIGRvIGV4 YWN0bHkgdGhlIHNhbWUgZm9yIGFsbC4KPiAKPiBIYW5uZXMsIE15IHVuZGVyc3RhbmRpbmcgaGVy ZSBpcyB0aGF0IHlvdSB3YW50IHRoZSBkZXZpY2UgdG8gZ28gYXdheQo+IGFmdGVyIHRoZSBsYXN0 IHBhdGggZGlzYXBwZWFyZWQgYmVjYXVzZSBpdCBicmVha3MgbWQsIHdoeSBkb24ndCB5b3UKPiB3 YW50IHRvIGhhdmUgdGhpcyBhbHNvIGZvciBmYWJyaWNzPwo+IApPaCwgSSB3b3VsZCBfbG92ZV8g dG8gaGF2ZSBpdCBmb3IgZmFicmljcyBwZXIgZGVmYXVsdC4KSWYgeW91IGFncmVlIHdpdGggaXQg SSBjYW4gcmVzZW5kIEtlaXRocyBvcmlnaW5hbCBwYXRjaCwgd2hpY2ggc29sdmVzCnRoZSBpc3N1 ZSB3aXRob3V0IHRoZSBuZWVkIGZvciBhbnkgYWRkaXRpb25hbCBzZXR0aW5ncy4KCj4gWW91IG1l bnRpb24gdGhhdCBpbiBmYWJyaWNzIG9uZSBjYW4gbWFudWFsbHkgZGlzY29ubmVjdCwgYnV0IHdo eSBzaG91bGQKPiB0aGUgdXNlciByZXNvcnQgdG8gYSBtYW51YWwgZGlzY29ubmVjdD8KPiAKPiBJ cyBzb21ldGhpbmcgZWxzZSBicm9rZW4gd2l0aCB0aGlzIGJlaGF2aW9yPyBNYXliZSBJIGFtIG1p c3NpbmcKPiBzb21ldGhpbmcgaGVyZT8KCkknbSBqdXN0IHRyeWluZyB0byB1bmRlcnN0YW5kIHdo eSB0aGUgY3VycmVudCBsb2dpYyB3YXMgYnVpbGQgaW50bwpmYWJyaWNzIGluIHRoZSBmaXJzdCBw bGFjZS4KQnV0IGlmIG5vLW9uZSByZW1lbWJlcnMgKG9yIHRoZXJlIHdhcyBub25lKSBJJ2QgaGFw cGlseSBjb252ZXJ0IHRvIHRoZQpQQ0kgbG9naWMuCgpDaGVlcnMsCgpIYW5uZXMKLS0gCkRyLiBI YW5uZXMgUmVpbmVja2UJCSAgICAgICAgICAgS2VybmVsIFN0b3JhZ2UgQXJjaGl0ZWN0CmhhcmVA c3VzZS5kZQkJCSAgICAgICAgICAgICAgICAgICs0OSA5MTEgNzQwNTMgNjg4ClNVU0UgU29mdHdh cmUgU29sdXRpb25zIEdlcm1hbnkgR21iSCwgTWF4ZmVsZHN0ci4gNSwgOTA0MDkgTsO8cm5iZXJn CkhSQiAzNjgwOSAoQUcgTsO8cm5iZXJnKSwgR0Y6IEZlbGl4IEltZW5kw7ZyZmZlcgoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTGludXgtbnZtZSBtYWls aW5nIGxpc3QKTGludXgtbnZtZUBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZy YWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtbnZtZQo=