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Thu, 06 May 2021 06:13:55 +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 C34F7B19A; Thu, 6 May 2021 06:13:52 +0000 (UTC) Subject: Re: [PATCHv3] nvme-mpath: delete disk after last connection To: Sagi Grimberg , Keith Busch Cc: Christoph Hellwig , Keith Busch , linux-nvme@lists.infradead.org, Daniel Wagner References: <20210501120447.45478-1-hare@suse.de> <20210504085457.GA21826@lst.de> <5e4df9ec-c66c-17cf-542f-bac71b490e62@suse.de> <20210505152659.GB912679@dhcp-10-100-145-180.wdc.com> <6a43fe69-e73a-07f8-f050-8116add83074@suse.de> <8a274c79-6db8-a21b-e60e-4e73a9d139b5@grimberg.me> From: Hannes Reinecke Message-ID: <2260f3ca-2e27-b2ad-d1c0-6747897e9557@suse.de> Date: Thu, 6 May 2021 08:13:51 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.9.1 MIME-Version: 1.0 In-Reply-To: <8a274c79-6db8-a21b-e60e-4e73a9d139b5@grimberg.me> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210505_231354_465379_29541FCC X-CRM114-Status: GOOD ( 26.32 ) 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 T24gNS81LzIxIDEwOjQwIFBNLCBTYWdpIEdyaW1iZXJnIHdyb3RlOgo+IAo+Pj4+Pj4gQXMgc3Rh dGVkIGluIHRoZSB2MyByZXZpZXcgdGhpcyBpcyBhbiBpbmNvbXBhdGlibGUgY2hhbmdlLsKgIFdl J2xsIAo+Pj4+Pj4gbmVlZAo+Pj4+Pj4gdGhlIHF1ZXVlX2lmX25vX3BhdGggYXR0cmlidXRlIGZp cnN0LCBhbmQgZGVmYXVsdCBpdCB0byBvbiB0byBrZWVwCj4+Pj4+PiBjb21wYXRhYmlsaXR5Lgo+ Pj4+Pj4KPj4+Pj4KPj4+Pj4gVGhhdCBpcyB3aGF0IEkgdHJpZWQgdGhlIGxhc3QgdGltZSwgYnV0 IHRoZSBkaXJlY3Rpb24gSSBnb3Qgd2FzIHRvIAo+Pj4+PiB0cmVhdAo+Pj4+PiBib3RoLCBOVk1l LVBDSSBhbmQgTlZNZS1vRiBpZGVudGljYWxseToKPj4+Pj4gKGh0dHBzOi8vbG9yZS5rZXJuZWwu b3JnL2xpbnV4LW52bWUvMzRlNWMxNzgtOGJjNC02OGQzLTgzNzQtZmJjMWI0NTFiNmU4QGdyaW1i ZXJnLm1lLykgCj4+Pj4+Cj4+Pj4KPj4+PiBZZXMsIEknbSBub3Qgc3VyZSBJIHVuZGVyc3RhbmQg eW91ciBjb21tZW50IENocmlzdG9waC4gVGhpcyAKPj4+PiBhZGRyZXNzZXMgYW4KPj4+PiBpc3N1 ZSB3aXRoIG1kcmFpZCB3aGVyZSBob3QgdW5wbHVnK3JlcGx1ZyBkb2VzIG5vdCByZXN0b3JlIHRo ZSAKPj4+PiBkZXZpY2UgdG8KPj4+PiB0aGUgcmFpZCBncm91cCAocGNpIGFuZCBmYWJyaWNzIGFs aWtlKSwgd2hlcmUgYmVmb3JlIG11bHRpcGF0aCB0aGlzIAo+Pj4+IHVzZWQKPj4+PiB0byB3b3Jr Lgo+Pj4+Cj4+Pj4gcXVldWVfaWZfbm9fcGF0aCBpcyBhIGRtLW11bHRpcGF0aCBmZWF0dXJlIHNv IEknbSBub3QgZW50aXJlbHkgY2xlYXIKPj4+PiB3aGF0IGlzIHRoZSBjb25jZXJuPyBtZHJhaWQg b24gbnZtZSAocGNpL2ZhYnJpY3MpIHVzZWQgdG8gd29yayBhIAo+Pj4+IGNlcnRhaW4KPj4+PiB3 YXksIHdpdGggdGhlIGludHJvZHVjdGlvbiBvZiBudm1lLW1wYXRoIHRoZSBiZWhhdmlvciB3YXMg YnJva2VuIChhcyAKPj4+PiBmYXIKPj4+PiBhcyBJIHVuZGVyc3RhbmQgZnJvbSBIYW5uZXMpLgo+ Pj4+Cj4+Pj4gTXkgdGhpbmtpbmcgaXMgdGhhdCBpZiB3ZSB3YW50IHF1ZXVlX2lmX25vX3BhdGgg ZnVuY3Rpb25hbGl0eSBpbiBudm1lCj4+Pj4gbXBhdGggd2Ugc2hvdWxkIGhhdmUgaXQgZXhwbGlj aXRseSBzdGF0ZWQgcHJvcGVybHkgc3VjaCB0aGF0IHBlb3BsZQo+Pj4+IHRoYXQgYWN0dWFsbHkg bmVlZCBpdCB3aWxsIHVzZSBpdCBhbmQgaGF2ZSBtZHJhaWQgZnVuY3Rpb24gY29ycmVjdGx5Cj4+ Pj4gYWdhaW4uIEFsc28sIHF1ZXVlX2lmX25vX3BhdGggYXBwbGllcyByZWFsbHkgaWYgYWxsIHRo ZSBwYXRocyBhcmUKPj4+PiBnb25lIGluIHRoZSBzZW5zZSB0aGV5IGFyZSBjb21wbGV0ZWx5IHJl bW92ZWQsIGFuZCBkb2Vzbid0IGFwcGx5Cj4+Pj4gdG8gY29udHJvbGxlciByZXNldC9yZWNvbm5l Y3QuCj4+Pj4KPj4+PiBJIGFncmVlIHdlIHNob3VsZCBwcm9iYWJseSBoYXZlIHF1ZXVlX2lmX25v X3BhdGggYXR0cmlidXRlIG9uIHRoZQo+Pj4+IG1wYXRoIGRldmljZSwgYnV0IGl0IGRvZXNuJ3Qg c291bmQgcmlnaHQgdG8gZGVmYXVsdCBpdCB0byB0cnVlIGdpdmVuCj4+Pj4gdGhhdCBpdCBicmVh a3MgbWRyYWlkIHN0YWNraW5nIG9uIHRvcCBvZiBpdC4uCj4+Pgo+Pj4gSWYgeW91IHdhbnQgInF1 ZXVlX2lmX25vX3BhdGgiIGJlaGF2aW9yLCBjYW4ndCB5b3UganVzdCBzZXQgcmVhbGx5IGhpZ2gK Pj4+IHJlY29ubmVjdF9kZWxheSBhbmQgY3RybF9sb3NzX3RtbyB2YWx1ZXM/IFRoYXQgcHJldmVu dHMgdGhlIHBhdGggZnJvbQo+Pj4gYmVpbmcgZGVsZXRlZCB3aGlsZSBpdCBpcyB1bnJlYWNoYWJs ZSwgdGhlbiByZXN0YXJ0IElPIG9uIHRoZSBleGlzdGluZwo+Pj4gcGF0aCBvbmNlIGNvbm5lY3Rp b24gaXMgcmUtZXN0YWJsaXNoZWQuCj4+Pgo+PiBQcmVjaXNlbHkgbXkgdGhpbmtpbmcuCj4+IFdl IF9jb3VsZF8gYWRkIGEgcXVldWVfaWZfbm9fcGF0aCBhdHRyaWJ1dGUsIGJ1dCB3ZSBjYW4gYWxz byBhY2hpZXZlIHRoZQo+PiBzYW1lIGJlaGF2aW91ciBieSBzZXR0aW5nIHRoZSBjdHJsX2xvc3Nf dG1vIHZhbHVlIHRvIGluZmluaXR5Lgo+PiBQcm92aWRlZCB3ZSBjYW4gY2hhbmdlIGl0IG9uIHRo ZSBmbHksIHRob3VnaDsgYnV0IGl0IG5vdCB0aGF0J3MgZWFzaWx5Cj4+IGZpeGVkLgo+Pgo+PiBJ biBmYWN0LCB0aGF0J3Mgd2hhdCB3ZSByZWNvbW1lbmQgdG8gb3VyIGN1c3RvbWVycyB0byBhdm9p ZCB0aGUgYnVnCj4+IGZpeGVkIGJ5IHRoaXMgcGF0Y2guCj4gCj4gWW91IGNhbiBjaGFuZ2UgY3Ry bF9sb3NzX3RtbyBvbiB0aGUgZmx5LiBIb3cgZG9lcyB0aGF0IGFkZHJlc3MgdGhlCj4gaXNzdWU/ IHRoZSBvcmlnaW5hbCBpc3N1ZSBpcyBjdHJsX2xvc3NfdG1vIGV4cGlyZXMgZm9yIGZhYnJpY3M/ IG9yCj4gcGNpIHVucGx1ZyAod2hpY2ggY3RybF9sb3NzX3RtbyBkb2VzIG5vdCBhcHBseSB0byBp dCk/CgpZZXMuIEl0IGJlY29tZXMgcGFydGljdWxhcmx5IG5vdGljZWFibGUgaW4gVENQIGZhYnJp Y3Mgd2hlcmUgdGhlIGxpbmsgCmNhbiBnbyBkb3duIGZvciBhbiBleHRlbmRlZCB0aW1lLgpUaGUg c3lzdGVtIHdpbGwgdHJ5IHRvIHJlY29ubmVjdCB1bnRpbCBjdHJsX2xvc3NfdG1vIGtpY2tzIGlu OyBpZiB0aGUgCmxpbmsgZ2V0cyByZWVzdGFibGlzaGVkIGFmdGVyIHRoYXQgdGltZSB5b3VyIHN5 c3RlbSBpcyBob3NlZC4KCldpdGggdGhpcyBwYXRjaCBJL08gaXMgc3RpbGwga2lsbGVkLCBidXQg YXQgbGVhc3QgeW91IGNhbiB0aGVuIApyZS1lc3RhYmxpc2ggdGhlIGNvbm5lY3Rpb24gYnkganVz dCBjYWxsaW5nCgpudm1lIGNvbm5lY3QKCmFuZCB0aGUgbnZtZSBkZXZpY2Ugd2lsbCBiZSByZWNv bm5lY3RlZCBzdWNoIHRoYXQgeW91IGNhbiBjYWxsCgptZGFkbSAtLXJlLWFkZAoKdG8gcmVzeW5j IHRoZSBkZXZpY2UuCldpdGggdGhlIGN1cnJlbnQgaW1wbGVtZW50YXRpb24geW91IGFyZSBvdXQg b2YgbHVjayBhcyBJL08gaXMgcGVuZGluZyBvbiAKdGhlIGRpc2Nvbm5lY3RlZCBvcmlnaW5hbCBu dm1lIGRldmljZSwgYW5kIHlvdSBoYXZlIG5vIGNoYW5jZSB0byBmbHVzaCAKdGhhdC4gQ29uc2Vx dWVudGx5IHlvdSBjYW4ndCBkZXRhY2ggaXQgZnJvbSB0aGUgTUQgYXJyYXksIGFuZCwgYWdhaW4s IAp5b3VyIHN5c3RlbSBpcyBob3NlZC4KCkNoZWVycywKCkhhbm5lcwotLSAKRHIuIEhhbm5lcyBS ZWluZWNrZSAgICAgICAgICAgICAgICBLZXJuZWwgU3RvcmFnZSBBcmNoaXRlY3QKaGFyZUBzdXNl LmRlICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgKzQ5IDkxMSA3NDA1MyA2ODgKU1VTRSBT b2Z0d2FyZSBTb2x1dGlvbnMgR21iSCwgTWF4ZmVsZHN0ci4gNSwgOTA0MDkgTsO8cm5iZXJnCkhS QiAzNjgwOSAoQUcgTsO8cm5iZXJnKSwgR2VzY2jDpGZ0c2bDvGhyZXI6IEZlbGl4IEltZW5kw7Zy ZmZlcgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTGlu dXgtbnZtZSBtYWlsaW5nIGxpc3QKTGludXgtbnZtZUBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6 Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtbnZtZQo=