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Tue, 20 Apr 2021 17:02:37 +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 2451CAE5C; Tue, 20 Apr 2021 17:02:34 +0000 (UTC) Subject: Re: [PATCHv2] nvme-mpath: delete disk after last connection To: Christoph Hellwig , Keith Busch Cc: Sagi Grimberg , Keith Busch , linux-nvme@lists.infradead.org, Daniel Wagner References: <20210416062411.47958-1-hare@suse.de> <20210420080527.GA21651@lst.de> <20210420141436.GA14300@redsun51.ssa.fujisawa.hgst.com> <20210420143906.GA19417@lst.de> From: Hannes Reinecke Message-ID: <73f1a5df-7d40-41ce-e6c5-42fd9fd3a2f1@suse.de> Date: Tue, 20 Apr 2021 19:02:32 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: <20210420143906.GA19417@lst.de> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210420_100235_840131_E3C5A1C8 X-CRM114-Status: GOOD ( 28.27 ) 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 T24gNC8yMC8yMSA0OjM5IFBNLCBDaHJpc3RvcGggSGVsbHdpZyB3cm90ZToKPiBPbiBUdWUsIEFw ciAyMCwgMjAyMSBhdCAxMToxNDozNlBNICswOTAwLCBLZWl0aCBCdXNjaCB3cm90ZToKPj4gT24g VHVlLCBBcHIgMjAsIDIwMjEgYXQgMDM6MTk6MTBQTSArMDIwMCwgSGFubmVzIFJlaW5lY2tlIHdy b3RlOgo+Pj4gT24gNC8yMC8yMSAxMDowNSBBTSwgQ2hyaXN0b3BoIEhlbGx3aWcgd3JvdGU6Cj4+ Pj4gT24gRnJpLCBBcHIgMTYsIDIwMjEgYXQgMDg6MjQ6MTFBTSArMDIwMCwgSGFubmVzIFJlaW5l Y2tlIHdyb3RlOgo+Pj4+PiBXaXRoIHRoZSBwcm9wb3NlZCBwYXRjaCwgdGhlIGZvbGxvd2luZyBt ZXNzYWdlcyBhcHBlYXI6Cj4+Pj4+Cj4+Pj4+ICAgIFsgIDIyNy41MTY4MDddIG1kL3JhaWQxOm1k MDogRGlzayBmYWlsdXJlIG9uIG52bWUzbjEsIGRpc2FibGluZyBkZXZpY2UuCj4+Pj4+ICAgIFsg IDIyNy41MTY4MDddIG1kL3JhaWQxOm1kMDogT3BlcmF0aW9uIGNvbnRpbnVpbmcgb24gMSBkZXZp Y2VzLgo+Pj4+Cj4+Pj4gU28gaG93IGlzIHRoaXMgZ29pbmcgdG8gd29yayBmb3IgZS5nLiBhIGNh c2Ugd2hlcmUgdGhlIGRldmljZQo+Pj4+IGRpc2FwcGVhciBkdWUgdG8gcmVzZXRzIG9yIGZhYnJp Y3MgY29ubmVjdGlvbiBwcm9ibGVtcz8gIFRoaXMgbm93Cj4+Pj4gZGlyZWN0bHkgdGVhcmRzIGRv d24gdGhlIGRldmljZS4KPj4+Pgo+Pj4gWWVzLCB0aGF0IGlzIGNvcnJlY3Q7IHRoZSBuc2hlYWQg d2lsbCBiZSByZW1vdmVkIG9uY2UgdGhlIGxhc3QgcGF0aCBpcwo+Pj4gX3JlbW92ZWRfLgo+Pgo+ PiBUaGUgZW5kIHJlc3VsdCBpcyBhbHNvIGhvdyBub24tbXVsdGlwYXRoIG52bWUgYmVoYXZlcywg c28gSSB0aGluayB0aGF0J3MKPj4gd2hhdCB1c2VycyBoYXZlIGNvbWUgdG8gZXhwZWN0Lgo+IAo+ IEknbSBub3Qgc3VyZSB0aGF0IGlzIHdoYXQgdXNlcnMgZXhwZWN0LiAgQXQgbGVhc3QgdGhlIFND U0kgbXVsdGlwYXRoCj4gc2V0dXBzIEkndmUgd29ya2VkIGRvIG5vdCBleHBlY3QgaXQgYW5kIGVu c3VyZSB0aGUgcXVldWVfaWZfbm9fcGF0aAo+IG9wdGlvbiBpcyBzZXQuCj4gClllcywgc3VyZS4g QW5kIGFzIEkgc2FpZCwgSSdtIGhhcHB5IHRvIGltcGxlbWVudCB0aGlzIG9wdGlvbiBmb3IgTlZN ZSwgdG9vLgpCdXQgdGhhdCBpcyBfbm90XyB3aGF0IHRoaXMgcGF0Y2ggaXMgYWJvdXQuCgpOVk1l IHNpbmNlIGRheSBvbmUgaGFzIF9yZW1vdmVkXyB0aGUgbmFtZXNwYWNlIGlmIHRoZSBjb250cm9s bGVyIGdvZXMgCmF3YXkgKGllIGlmIHlvdSBkbyBhIFBDSSBob3RwbHVnKS4gU28gY3VzdG9tZXIg cmlnaHRseSBleHBlY3RzIHRoaXMgCmJlaGF2aW91ciB0byBjb250aW51ZS4KCkFuZCB0aGlzIGlz IHdoYXQgdGhlIHBhdGNoIGRvZXM7IF9hbGlnbmluZ18gdGhlIGJlaGF2aW91ciBmcm9tIAptdWx0 aXBhdGhlZCB0byBub24tbXVsdGlwYXRoZWQgY29udHJvbGxlcnMgd2hlbiB0aGUgbGFzdCBwYXRo IGlzIGdvbmUuCgpOb24tbXVsdGlwYXRoZWQgKGllIENNSUM9PTApIGNvbnRyb2xsZXJzIHdpbGwg cmVtb3ZlIHRoZSBuYW1lc3BhY2Ugb25jZSAKdGhlIGxhc3QgX3JlZmVyZW5jZV8gdG8gdGhhdCBu YW1lc3BhY2UgZHJvcHMgKGllIHRoZSBQQ0kgaG90cGx1ZyBjYXNlKS4KTXVsdGlwYXRoZWQgKGll IENNSUMhPTApIGNvbnRyb2xsZXJzIHdpbGwgcmVtb3ZlIHRoZSBuYW1lc3BhY2Ugb25jZSB0aGUg Cmxhc3QgX29wZW5lcl8gZ29lcyBhd2F5LgpUaGUgcmVmY291bnQgaXMgbG9uZyBnb25lIGJ5IHRo YXQgdGltZS4KCj4+PiBCdXQga2V5IHBvaW50IGhlcmUgaXMgdGhhdCBvbmNlIHRoZSBzeXN0ZW0g ZmluZHMgaXRzZWxmIGluIHRoYXQKPj4+IHNpdHVhdGlvbiBpdCdzIGltcG9zc2libGUgdG8gcmVj b3ZlciwgYXMgdGhlIHJlZmNvdW50cyBhcmUgbWVzc2VkLgo+Pj4gRXZlbiBhIG1hbnVhbCBjb25u ZWN0IGNhbGwgd2l0aCB0aGUgc2FtZSBwYXJhbWV0ZXIgd2lsbCBfbm90XyByZXN0b3JlCj4+PiBv cGVyYXRpb24sIGJ1dCByYXRoZXIgcmVzdWx0IGluIGEgbmV3IG5hbWVzcGFjZS4KPj4KPj4gSSBo YXZlbid0IGxvb2tlZCBhdCB0aGlzIHlldCwgYnV0IGlzIGl0IHJlYWxseSBub3QgcG9zc2libGUg dG8gcmVzdG9yZQo+PiB0aGUgb3JpZ2luYWwgbmFtZXNwYWNlIHVwb24gdGhlIHJlZXN0YWJsaXNo ZWQgY29ubmVjdGlvbj8KPiAKPiBJdCBpcyBwb3NzaWJsZSwgYW5kIGluIGZhY3QgaXMgd2hhdCB3 ZSBkby4KPiAKSXQgaXMgX25vdF8gb25jZSB0aGUgbmFtZXNwYWNlIGlzIG1vdW50ZWQuCk9yIE1E IGhhcyBjbGFpbWVkIHRoZSBkZXZpY2UuCkFuZCB0aGUgcHJvYmxlbSBpcyB0aGF0IHRoZSByZWZj b3VudCBhbHJlYWR5IF9pc18gemVybywgc28gd2UgYXJlIAphbHJlYWR5IGluIHRlYXJkb3duLiBX ZSdyZSBqdXN0IHdhaXRpbmcgZm9yIHRoZSByZWZlcmVuY2UgdG8gdGhlIGdlbmRpc2sgCnRvIGRy b3AuCldoaWNoIGlzIG5ldmVyIHdpbGwsIGFzIHdlIHdvdWxkIGhhdmUgdG8gdW1vdW50IChvciBk ZXRhY2gpIHRoZSBkZXZpY2UgCmZvciB0aGF0LCBidXQgSS9PIGlzIHN0aWxsIHBlbmRpbmcgd2hp Y2ggY2Fubm90IGJlIGZsdXNoZWQsIHNvIHRoYXQnbGwgZmFpbC4KQW5kIGlmIHdlIHRyeSB0byBj b25uZWN0IHRoZSBzYW1lIG5hbWVzcGFjZSBhZ2FpbiwgbnZtZV9maW5kX25zX2hlYWQoKSAKd2ls bCBub3QgcmV0dXJuIHRoZSBleGlzdGluZyBuc19oZWFkIGFzIHRoZSByZWZjb3VudCBpcyB6ZXJv LgpDYXVzaW5nIGEgbmV3IG5zX2hlYWQgdG8gYmUgY3JlYXRlZC4KCklmIHlvdSBtYW5hZ2UgdG8g Z2V0IHRoaXMgd29ya2luZyB3aXRoIHRoZSBjdXJyZW50IGNvZGUgcGxlYXNlIHNob3cgbWUgCmZy b20gdGhlIHRlc3RjYXNlIGluIHRoZSBkZXNjcmlwdGlvbiB3aGF0IHdlIHNob3VsZCBoYXZlIGRv bmUgZGlmZmVyZW50bHkuCgpDaGVlcnMsCgpIYW5uZXMKLS0gCkRyLiBIYW5uZXMgUmVpbmVja2Ug ICAgICAgICAgICAgICAgS2VybmVsIFN0b3JhZ2UgQXJjaGl0ZWN0CmhhcmVAc3VzZS5kZSAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICs0OSA5MTEgNzQwNTMgNjg4ClNVU0UgU29mdHdhcmUg U29sdXRpb25zIEdtYkgsIE1heGZlbGRzdHIuIDUsIDkwNDA5IE7DvHJuYmVyZwpIUkIgMzY4MDkg KEFHIE7DvHJuYmVyZyksIEdlc2Now6RmdHNmw7xocmVyOiBGZWxpeCBJbWVuZMO2cmZmZXIKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4LW52bWUg bWFpbGluZyBsaXN0CkxpbnV4LW52bWVAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMu aW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW52bWUK