From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id q5JE83cV101160 for ; Tue, 19 Jun 2012 09:08:04 -0500 Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id z366ACb5V8YcBteG for ; Tue, 19 Jun 2012 07:08:03 -0700 (PDT) Date: Tue, 19 Jun 2012 09:34:42 -0400 From: Mike Snitzer Subject: Re: Ext4 and xfs problems in dm-thin on allocation and discard Message-ID: <20120619133441.GA7001@redhat.com> References: <4FDF9EBE.2030809@shiftmail.org> <20120619015745.GJ25389@dastard> <20120619031241.GA3884@redhat.com> <4FE062B3.7080702@shiftmail.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <4FE062B3.7080702@shiftmail.org> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Spelic Cc: =?utf-8?B?THVrw6HFoQ==?= Czerner , device-mapper development , linux-ext4@vger.kernel.org, xfs@oss.sgi.com T24gVHVlLCBKdW4gMTkgMjAxMiBhdCAgNzoyOWFtIC0wNDAwLApTcGVsaWMgPHNwZWxpY0BzaGlm dG1haWwub3JnPiB3cm90ZToKCj4gT24gMDYvMTkvMTIgMDg6MzIsIEx1a8OhxaEgQ3plcm5lciB3 cm90ZToKPiA+Cj4gPlNvIGRvIEkgdW5kZXJzdGFuZCBjb3JyZWN0bHkgdGhhdCBldmVuIHRob3Vn aCB0aGUgZGlzY2FyZCBjYW1lCj4gPnRocm91Z2ggYW5kIHRoaW5wIHRvb2sgYWR2YW50YWdlIG9m IGl0IGl0IHN0aWxsIHJldHVybnMgRU9QTk9UU1VQUCA/Cj4gPlRoaXMgc2VlbXMgcmF0aGVyIHN1 Ym9wdGltYWwuIElJUkMgdGhlcmUgd2FzIGEgZGlzY3Vzc2lvbiB0byBhZGQgYW4KPiA+b3B0aW9u IHRvIGVuYWJsZS9kaXNhYmxlIHNlbmRpbmcgZGlzY2FyZCBpbiB0aGlucCB0YXJnZXQgZG93bgo+ ID50byB0aGUgZGV2aWNlLgo+IAo+IEknbGwgYXNrIHRoaXMgdG9vLi4uCj4gZG8gSSB1bmRlcnN0 YW5kIGNvcnJlY3RseSB0aGF0IGRtLXRoaW4gcmV0dXJucyBFT1BOT1RTVVBQIHRvIHRoZQo+IGZp bGVzeXN0ZW0gbGF5ZXIgZXZlbiB0aG91Z2ggaXQgaXMgdXNpbmcgdGhlIGRpc2NhcmQgdG8gdW5t YXAKPiBibG9ja3MsIGFuZCBhdCB0aGF0IHBvaW50IFhGUyBzdG9wcyBzZW5kaW5nIGRpc2NhcmRz IGRvd24gdGhlcmUKPiAod2hpbGUgZXh0NCBrZWVwcyBzZW5kaW5nIHRoZW0pPwoKQXJlIHlvdSBh Y3R1YWxseSBzZWVpbmcgdGhhdD8gIE9yIGFyZSB5b3UganVzdCBzZWl6aW5nIG9uIEx1a2FzJwpt aXN1bmRlcnN0YW5kaW5nPwoKPiBUaGlzIGxvb2tzIGxpa2UgYSBidWcgb2YgZG0tdGhpbiB0byBt ZS4gRGlzY2FyZHMgYXJlICJzdXBwb3J0ZWQiIGluCj4gc3VjaCBhIHNjZW5hcmlvLgo+IAo+IERv IHlvdSBoYXZlIGEgcGF0Y2ggZm9yIGRtLXRoaW4gc28gdG8gcHJldmVudCBpdCBzZW5kaW5nIEVP UFROT1RTVVBQID8KCnRoaW5wIHNob3VsZCBfbm90XyBiZSBzZW5kaW5nIC1FT1BOT1RTVVBQIHVu bGVzcyAnaWdub3JlX2Rpc2NhcmQnIGlzCnByb3ZpZGVkIGFzIGEgZmVhdHVyZSB3aGVuIGxvYWRp bmcgdGhpbi1wb29sJ3MgRE0gIHRhYmxlLgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KeGZzIG1haWxpbmcgbGlzdAp4ZnNAb3NzLnNnaS5jb20KaHR0cDov L29zcy5zZ2kuY29tL21haWxtYW4vbGlzdGluZm8veGZzCg==