From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C752B7F3F for ; Mon, 11 Jan 2016 01:15:42 -0600 (CST) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9BF9B8F8040 for ; Sun, 10 Jan 2016 23:15:39 -0800 (PST) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id G4lDIrWHli2XH2A4 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 10 Jan 2016 23:15:36 -0800 (PST) Subject: Re: [resend PATCH 1/3] block, fs: reliably communicate bdev end-of-life References: <20160104181220.24118.96661.stgit@dwillia2-desk3.amr.corp.intel.com> <20160104182005.24118.50361.stgit@dwillia2-desk3.amr.corp.intel.com> <20160109075414.GA5008@ZenIV.linux.org.uk> From: Hannes Reinecke Message-ID: <56935694.1000408@suse.de> Date: Mon, 11 Jan 2016 08:15:32 +0100 MIME-Version: 1.0 In-Reply-To: List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: Dan Williams , Al Viro Cc: Jens Axboe , linux-nvdimm , XFS Developers , linux-block@vger.kernel.org, Jan Kara , linux-fsdevel , Matthew Wilcox , Ross Zwisler T24gMDEvMDkvMjAxNiAwMzoxNyBQTSwgRGFuIFdpbGxpYW1zIHdyb3RlOgo+IE9uIEZyaSwgSmFu IDgsIDIwMTYgYXQgMTE6NTQgUE0sIEFsIFZpcm8gPHZpcm9AemVuaXYubGludXgub3JnLnVrPiB3 cm90ZToKPj4gT24gTW9uLCBKYW4gMDQsIDIwMTYgYXQgMTA6MjA6MDVBTSAtMDgwMCwgRGFuIFdp bGxpYW1zIHdyb3RlOgo+IFsuLl0KPj4gICAgICAgICAgV291bGQgeW91IG1pbmQgZXhwbGFpbmlu ZyB3aGF0IHRoZSBoZWxsIGlzIF90aGVfIGJhY2tpbmcgZGV2aWNlCj4+IG9mIGEgZmlsZXN5c3Rl bT8gIFdoYXQgZG9lcyB0aGF0IHRyYW5zbGF0ZSBpbnRvIGluIGNhc2Ugb2YgZS5nLiBidHJmcwo+ PiBzcGFubmluZyBzZXZlcmFsIGRpc2tzPyAgT3IgZXh0NCB3aXRoIGpvdXJuYWwgb24gYSBkaWZm ZXJlbnQgZGV2aWNlLCBmb3IKPj4gdGhhdCBtYXR0ZXI/Cj4+Cj4+ICAgICAgICAgIElmIGFueXRo aW5nLCBJIHdvdWxkIGFyZ3VlIHRoYXQgZmlsZXN5c3RlbSBpcyBvdXQgb2YgcGxhY2UgaGVyZSAt Cj4+IGdlbmVyYWwgc2l0dWF0aW9uIGlzICJJTyBvbiBYIG1heSByZXF1aXJlIElPIG9uIGRldmlj ZSBZIGFuZCBYIG5lZWRzIHRvIGRvCj4+IHNvbWV0aGluZyB3aGVuIFkgZ29lcyBhd2F5Ii4gIENv bnNpZGVyIGUuZy4gL2Rldi9sb29wIGJhY2tlZCBieSBhIGRldmljZQo+PiB0aGF0IHdlbnQgYXdh eS4gIE9yIGJ5IGEgZmlsZSBvbiBmcyB0aGF0IGhhcyBydW4gZG93biB0aGUgY3VydGFpbiBhbmQg am9pbmVkCj4+IHRoZSBibGVlZGluIGNob2lyIGludmlzaWJsZS4gIFdpdGggYW5vdGhlciBmcyBw YXJ0aWFsbHkgaG9zdGVkIGJ5IHRoYXQKPj4gbG9vcGJhY2sgZGV2aWNlLiAgT3IgYnkgUkFJRDAg Y29udGFpbmluZyBzYWlkIGRldmljZS4KPj4KPj4gICAgICAgICAgWW91IGFyZSBnaXZlbiBZIGFu ZCBhdHRlbXB0IHRvIGxvY2F0ZSB0aGUgYWZmZWN0ZWQgWC4gIF9UaGVuXwo+PiB5b3UgYXNzdW1l IHRoYXQgWCBpcyBhIGZpbGVzeXN0ZW0gYW5kIGhhcyAic29tZXRoaW5nIHRvIGJlIGRvbmUiIGlu ZGVwZW5kZW50Cj4+IGZyb20gdGhlIHJvbGUgWSBwbGF5ZWQgZm9yIGl0LCBzbyB5b3UgY2FuIHBp Y2sgdGhhdCBhY3Rpb24gZnJvbSBzdXBlcmJsb2NrCj4+IG1ldGhvZC4KPj4KPj4gICAgICAgICAg SU1PIHlvdSBhcmUgcGxhY2luZyB0aGUgYnVyZGVuIGluIHRoZSB3cm9uZyBwbGFjZS4gIF9SZWNl cGllbnRfCj4+IGtub3dzIHdoYXQgaXQgZGVwZW5kcyB1cG9uIGFuZCB3aGF0IHNob3VsZCBiZSBk b25lIGZvciBlYWNoIHNvdXJjZSBvZgo+PiB0cm91YmxlLiAgU28gbWFrZSBpdCByZWNlcGllbnQn cyByZXNwb25zaWJpbGl0eSB0byByZXF1ZXN0IG5vdGlmaWNhdGlvbnMuCj4+IEF0IHdoaWNoIHBv aW50IHRoZSBzdXBlcmJsb2NrIG1ldGhvZCBnb2VzIGF3YXksIGFsb25nIHdpdGggdGhlIHJlcXVp cmVtZW50Cj4+IHRvIGhhbmRsZSBhbGwgc291cmNlcyBvZiB0cm91YmxlIHRoZSBzYW1lIHdheSwg ZXRjLgo+Pgo+PiAgICAgICAgICBXaGF0J3MgbW9yZSwgdGhpbmdzIGxpa2UgUkFJRDUgKGFsc28g aW50ZXJlc3RlZCBpbiBrbm93aW5nIHdoZW4KPj4gYSBjb21wb25lbnQgaGFzIGJlZW4gcmlwcGVk IG91dCkgbWlnaHQgb3IgbWlnaHQgbm90IGRlY2lkZSB0byBwcm9wYWdhdGUKPj4gdGhlIGV2ZW50 IGZ1cnRoZXIgLSBhZnRlciBhbGwsIHRoYXQncyBleGFjdGx5IHRoZSBwb2ludCBvZiByZWR1bmRh bmN5Lgo+Pgo+PiAgICAgICAgICBJJ2QgbG9vayBpbnRvIHNvbWV0aGluZyBhbG9uZyB0aGUgbGlu ZXMgb2Ygbm90aWZpZXIgY2hhaW4gcGVyCj4+IGdlbmRpc2ssIHdpdGggcG90ZW50aWFsIHZpY3Rp bXMgcmVnaXN0ZXJpbmcgYSBjYWxsYmFjayB3aGVuIHRoZXkgZGVjaWRlCj4+IHRoYXQgZnJvbSBu b3cgb24gc3VjaCBhbmQgc3VjaCBkZXZpY2UgbWlnaHQgc2NyZXcgdGhlbSBvdmVyLi4uCj4KPiBN YWtlcyBzZW5zZS4gIEknbGwgZHJvcCB0aGlzIHNlcmllcyBmb3Igbm93IGFuZCBjb21lIGJhY2sg YWZ0ZXIKPiByZS13b3JraW5nIGl0IHVzZSBub3RpZmllcnMuCgpZZXMgcGxlYXNlLiBJIG5lZWQg YSBzaW1pbGFyIHRoaW5nIGZvciBjb21tdW5pY2F0aW5nIGRldmljZSBjaGFuZ2VzIAoocmVzaXpp bmcsIHRvcG9sb2d5IGNoYW5nZXMpLCBzbyBJJ2QgYmUgdmVyeSBtdWNoIGludGVyZXN0ZWQgaW4g dGhlbS4KCkFuZCB3aGlsZSB5b3UncmUgYXQgaXQsIG1heWJlIHdlIGNhbiBmb2xkIHRoZSBibG9j ayBkZXZpY2UgZXZlbnQgCmhhbmRsaW5nIGludG8gdGhhdCwgdG9vLgoKQ2hlZXJzLAoKSGFubmVz Ci0tIApEci4gSGFubmVzIFJlaW5lY2tlCQkgICAgICAgICAgICAgICB6U2VyaWVzICYgU3RvcmFn ZQpoYXJlQHN1c2UuZGUJCQkgICAgICAgICAgICAgICArNDkgOTExIDc0MDUzIDY4OApTVVNFIExJ TlVYIEdtYkgsIE1heGZlbGRzdHIuIDUsIDkwNDA5IE7DvHJuYmVyZwpHRjogRi4gSW1lbmTDtnJm ZmVyLCBKLiBTbWl0aGFyZCwgSi4gR3VpbGQsIEQuIFVwbWFueXUsIEcuIE5vcnRvbgpIUkIgMjEy ODQgKEFHIE7DvHJuYmVyZykKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCnhmcyBtYWlsaW5nIGxpc3QKeGZzQG9zcy5zZ2kuY29tCmh0dHA6Ly9vc3Muc2dp LmNvbS9tYWlsbWFuL2xpc3RpbmZvL3hmcwo=