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Tue, 20 Apr 2021 16:22:04 +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 99587B504; Tue, 20 Apr 2021 16:22:00 +0000 (UTC) Subject: Re: [PATCHv2] nvme-mpath: delete disk after last connection To: Keith Busch Cc: Christoph Hellwig , 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> From: Hannes Reinecke Message-ID: <5cc5da66-e2aa-3c97-ddbc-70eeb4b5a8ea@suse.de> Date: Tue, 20 Apr 2021 18:21:57 +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: <20210420141436.GA14300@redsun51.ssa.fujisawa.hgst.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210420_092203_653331_74E6B8D3 X-CRM114-Status: GOOD ( 21.55 ) 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 T24gNC8yMC8yMSA0OjE0IFBNLCBLZWl0aCBCdXNjaCB3cm90ZToKPiBPbiBUdWUsIEFwciAyMCwg MjAyMSBhdCAwMzoxOToxMFBNICswMjAwLCBIYW5uZXMgUmVpbmVja2Ugd3JvdGU6Cj4+IE9uIDQv MjAvMjEgMTA6MDUgQU0sIENocmlzdG9waCBIZWxsd2lnIHdyb3RlOgo+Pj4gT24gRnJpLCBBcHIg MTYsIDIwMjEgYXQgMDg6MjQ6MTFBTSArMDIwMCwgSGFubmVzIFJlaW5lY2tlIHdyb3RlOgo+Pj4+ IFdpdGggdGhlIHByb3Bvc2VkIHBhdGNoLCB0aGUgZm9sbG93aW5nIG1lc3NhZ2VzIGFwcGVhcjoK Pj4+Pgo+Pj4+ICAgIFsgIDIyNy41MTY4MDddIG1kL3JhaWQxOm1kMDogRGlzayBmYWlsdXJlIG9u IG52bWUzbjEsIGRpc2FibGluZyBkZXZpY2UuCj4+Pj4gICAgWyAgMjI3LjUxNjgwN10gbWQvcmFp ZDE6bWQwOiBPcGVyYXRpb24gY29udGludWluZyBvbiAxIGRldmljZXMuCj4+Pgo+Pj4gU28gaG93 IGlzIHRoaXMgZ29pbmcgdG8gd29yayBmb3IgZS5nLiBhIGNhc2Ugd2hlcmUgdGhlIGRldmljZQo+ Pj4gZGlzYXBwZWFyIGR1ZSB0byByZXNldHMgb3IgZmFicmljcyBjb25uZWN0aW9uIHByb2JsZW1z PyAgVGhpcyBub3cKPj4+IGRpcmVjdGx5IHRlYXJkcyBkb3duIHRoZSBkZXZpY2UuCj4+Pgo+PiBZ ZXMsIHRoYXQgaXMgY29ycmVjdDsgdGhlIG5zaGVhZCB3aWxsIGJlIHJlbW92ZWQgb25jZSB0aGUg bGFzdCBwYXRoIGlzCj4+IF9yZW1vdmVkXy4KPiAKPiBUaGUgZW5kIHJlc3VsdCBpcyBhbHNvIGhv dyBub24tbXVsdGlwYXRoIG52bWUgYmVoYXZlcywgc28gSSB0aGluayB0aGF0J3MKPiB3aGF0IHVz ZXJzIGhhdmUgY29tZSB0byBleHBlY3QuCj4gCk5vcGUuIEl0IGRvZXNuJ3QuCgpUaGlzIHBhdGNo IHByZWNpc2VseSBfYWxpZ25zXyB0aGUgYmVoYXZpb3VyIGJldHdlZW4gbXVsdGlwYXRoZWQgKG9y LCB0byAKYmUgcHJlY2lzZSwgbmFtZXNwYWNlcyB3aXRoIENNSUMgIT0gMCkgYW5kIG5vbi1tdWx0 aXBhdGhlZCBvbmVzLgoKV2hlbiBDTUlDID09IDAgdGhpcyBwYXRjaCBkb2Vzbid0IGNoYW5nZSB0 aGUgYmVoYXZpb3VyIGF0IGFsbC4KCj4+IEJ1dCBrZXkgcG9pbnQgaGVyZSBpcyB0aGF0IG9uY2Ug dGhlIHN5c3RlbSBmaW5kcyBpdHNlbGYgaW4gdGhhdAo+PiBzaXR1YXRpb24gaXQncyBpbXBvc3Np YmxlIHRvIHJlY292ZXIsIGFzIHRoZSByZWZjb3VudHMgYXJlIG1lc3NlZC4KPj4gRXZlbiBhIG1h bnVhbCBjb25uZWN0IGNhbGwgd2l0aCB0aGUgc2FtZSBwYXJhbWV0ZXIgd2lsbCBfbm90XyByZXN0 b3JlCj4+IG9wZXJhdGlvbiwgYnV0IHJhdGhlciByZXN1bHQgaW4gYSBuZXcgbmFtZXNwYWNlLgo+ IAo+IEkgaGF2ZW4ndCBsb29rZWQgYXQgdGhpcyB5ZXQsIGJ1dCBpcyBpdCByZWFsbHkgbm90IHBv c3NpYmxlIHRvIHJlc3RvcmUKPiB0aGUgb3JpZ2luYWwgbmFtZXNwYWNlIHVwb24gdGhlIHJlZXN0 YWJsaXNoZWQgY29ubmVjdGlvbj8KPiAKCk5vLiBBcyBtZW50aW9uZWQsIHJlZmNvdW50IGlzIG1l c3NlZCB1cC4KCldpdGggdGhlIGN1cnJlbnQgYmVoYXZpb3VyLCBvbmNlIHRoZSBsYXN0IHBhdGgg ZHJvcHMsIHRoZSBuYW1lc3BhY2Ugd2lsbCAKX3ZhbmlzaF8gZnJvbSB0aGUgbGlzdCBvZiBuYW1l c3BhY2VzLgpPbmNlIHlvdSByZWNvbm5lY3QgdGhlIG9yaWdpbmFsIG5hbWVzcGFjZSAnbWFnaWNh bGx5JyByZWFwcGVhcnMgaW4gJ252bWUgCmxpc3QnLCBidXQgd2l0aCBzaXplICcwJywgX2FuZF8g dGhlIG5ldyBuYW1lc3BhY2UgYmVzaWRlIGl0OgoKTmVlZGxlc3MgdG8gc2F5LCB0aGUgY3VycmVu dCBvcGVuZXIgKG1vdW50LCBNRCwgeW91IG5hbWUgaXQpIHN0aWxsIHJlZmVyIAp0byB0aGUgb3Jp Z2luYWwgbmFtZXNwYWNlLCBhbmQgeW91IGNhbid0IGNvcnJlY3QgdGhlIHNpdHVhdGlvbiBhcyBJ L08gaXMgCnN0aWxsIHBlbmRpbmcgeW91IGhhdmUgbm8gd2F5IHRvIGFib3J0IGl0LgoKKEZ1bm55 LCB0aG91Z2g7IGl0IHdhcyB5b3Ugd2hvIHN1Z2dlc3RlZCB0aGUgcGF0Y2ggaW4gdGhlIGZpcnN0 IHBsYWNlOyAKZmVlbHMga2luZGEgc3RyYW5nZSB0byBleHBsYWluIHRoZSBwYXRjaCB0byBpdHMg YXV0aG9yIC4uLikKCkNoZWVycywKCkhhbm5lcwotLSAKRHIuIEhhbm5lcyBSZWluZWNrZSAgICAg ICAgICAgICAgICBLZXJuZWwgU3RvcmFnZSBBcmNoaXRlY3QKaGFyZUBzdXNlLmRlICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgKzQ5IDkxMSA3NDA1MyA2ODgKU1VTRSBTb2Z0d2FyZSBTb2x1 dGlvbnMgR21iSCwgTWF4ZmVsZHN0ci4gNSwgOTA0MDkgTsO8cm5iZXJnCkhSQiAzNjgwOSAoQUcg TsO8cm5iZXJnKSwgR2VzY2jDpGZ0c2bDvGhyZXI6IEZlbGl4IEltZW5kw7ZyZmZlcgoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTGludXgtbnZtZSBtYWls aW5nIGxpc3QKTGludXgtbnZtZUBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZy YWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtbnZtZQo=