From mboxrd@z Thu Jan 1 00:00:00 1970 From: alex chen Subject: Re: dm: disable WRITE SAME if it fails Date: Thu, 5 Jun 2014 09:52:37 +0800 Message-ID: <538FCD65.8080201@huawei.com> References: <53042F91.4050201@huawei.com> <53899812.50403@huawei.com> <20140531150517.GJ29705@agk-dp.fab.redhat.com> <20140602183635.GA1396@redhat.com> <538E9AAC.3020104@huawei.com> <20140604135214.GB14235@redhat.com> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20140604135214.GB14235@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: device-mapper development Cc: Kiyoshi Ueda , Milan Broz , Mike Anderson , Jun'ichi Nomura , Joseph Qi , Alasdair Kergon List-Id: dm-devel.ids T24gMjAxNC82LzQgMjE6NTIsIE1pa2UgU25pdHplciB3cm90ZToKPiBPbiBXZWQsIEp1biAwNCAy MDE0IGF0IDEyOjAzYW0gLTA0MDAsCj4gYWxleCBjaGVuIDxhbGV4LmNoZW5AaHVhd2VpLmNvbT4g d3JvdGU6Cj4gCj4+IE9uIDIwMTQvNi8zIDI6MzYsIE1pa2UgU25pdHplciB3cm90ZToKPj4+IE9u IFNhdCwgTWF5IDMxIDIwMTQgYXQgMTE6MDVhbSAtMDQwMCwKPj4+IEFsYXNkYWlyIEcgS2VyZ29u IDxhZ2tAcmVkaGF0LmNvbT4gd3JvdGU6Cj4+Pgo+Pj4+IE9uIFNhdCwgTWF5IDMxLCAyMDE0IGF0 IDA0OjUxOjMwUE0gKzA4MDAsIGFsZXggY2hlbiB3cm90ZToKPj4+Pj4gVGhlIG9yaWdpbmFsIGNv bW1pdCBmODRjYjhhNDZhNzcxZjM2YTA0YTAyYzYxZWE2MzVjOTY4ZWQ1ZjZhKCJkbSBtcGF0aDoK Pj4+Pj4gZGlzYWJsZSBXUklURSBTQU1FIGlmIGl0IGZhaWxzIikgZGlzYWJsZXMgV1JJVEUgU0FN RSBpbiB0aGUgRE0gbXVsdGlwYXRoCj4+Pj4+IGRldmljZSBpZiBpdCBmYWlscywgYnV0IHdoZW4g dGhlIERNIGxpbmVhciBkZXZpY2Ugc3RhY2tzIG9udG9wIG9mIHRoZQo+Pj4+PiBtdWx0aXBhdGgg ZGV2aWNlIGl0IGRvZXNuJ3QgaGVscC4KPj4+Pj4gdGhpcyBwYXRjaCBhZGRzIERNIGxpbmVhciBl bmRfaW8gbWV0aG9kIHRvIGNhdGNoIFdSSVRFIFNBTUUgZXJyb3JzIGFuZAo+Pj4+PiBkaXNhYmxl cyBXUklURSBTQU1FIGluIHRoZSBETSBsaW5lYXIgZGV2aWNlJ3MgcXVldWVfbGltaXRzIGlmIGFu Cj4+Pj4+IHVuZGVybHlpbmcgZGV2aWNlIGRpc2FibGVzIGl0Lgo+Pj4+Cj4+Pj4gSG93IGRvZXMg eW91ciBwYXRjaCBhZGRyZXNzIHN0cmlwZWQgdGFyZ2V0cz8KPj4+PiAgCj4+Pj4gU2hvdWxkbid0 IHRoaXMgY29kZSBiZSB0YWtlbiBvdXQgb2YgbXBhdGggYW5kIG1vdmVkIHRvIGRtLmMgYW5kIGFw cGxpZWQgdG8gYWxsCj4+Pj4gdGFyZ2V0cyAoYm90aCBiaW8gYW5kIHJxLWJhc2VkLCBhdCBsZWFz dCB3aGVyZSBXUklURSBTQU1FIGlzIHN1cHBvcnRlZCk/Cj4+Pgo+Pj4gQWxleCwKPj4+Cj4+PiBJ J3ZlIGltcGxlbWVudGVkIHdoYXQgQWxhc2RhaXIgYW5kIEkgaGF2ZSBiZWVuIHN1Z2dlc3Rpbmcu Cj4+PiBDYW4geW91IHBsZWFzZSB0ZXN0IHRoaXMgdW50ZXN0ZWQgcGF0Y2g/Cj4+Pgo+Pj4gVGhh bmtzLAo+Pj4gTWlrZQo+Pj4KPj4KPj4gSSB0ZXN0ZWQgdGhpcyBwYXRjaCwgaXQgaXMgT0suCj4+ IFRlc3QgY2FzZXMgaXMgYXMgZm9sbG93Ogo+PiBDQVNFIDE6Cj4+IGRtIGxpbmVhciBkZXZpY2Uo ZG0tMjMpOiBvY2ZzMi1mczsKPj4gbXVsdGlwYXRoIGRldmljZShkbS05KTsKPj4gc2NzaSBkZXZp Y2Uoc2RyLHNkdik7Cj4+Cj4+IEFmdGVyIFdSSVRFIFNBTUUgSU8gZmFpbHM6Cj4+IGxpbnV4LU1P THliRDp+ICMgY2F0IC9zeXMvYmxvY2svZG0tMjMvcXVldWUvd3JpdGVfc2FtZV9tYXhfYnl0ZXMK Pj4gMAo+PiBsaW51eC1NT0x5YkQ6fiAjIGNhdCAvc3lzL2Jsb2NrL2RtLTkvcXVldWUvd3JpdGVf c2FtZV9tYXhfYnl0ZXMKPj4gMAo+PiBsaW51eC1NT0x5YkQ6fiAjIGNhdCAvc3lzL2Jsb2NrL3Nk ci9xdWV1ZS93cml0ZV9zYW1lX21heF9ieXRlcwo+PiAwCj4+IGxpbnV4LU1PTHliRDp+ICMgY2F0 IC9zeXMvYmxvY2svc2R2L3F1ZXVlL3dyaXRlX3NhbWVfbWF4X2J5dGVzCj4+IDAKPj4KPj4gUmVz dWx0OiBwYXNzCj4+Cj4+IFRlc3RlZC1ieTogQWxleCBDaGVuIDxhbGV4LmNoZW5AaHVhd2VpLmNv bT4KPiAKPiBPSywgdGhhbmtzLi4gRllJLCBhcyBJIHNhaHJlZCBiZWZvcmU6IEkgdXBkYXRlZCBp dCBzbGlnaHRseSB0byBjaGVjayBmb3IKPiB0aGUgc3BlY2lmaWMgLUVSRU1PVEVJTyBlcnJvciBj b2RlIHRoYXQgU0NTSSByZXR1cm5zIGZvciB0aGlzIGNhc2UsIHNlZToKPiAKPiBodHRwczovL2dp dC5rZXJuZWwub3JnL2NnaXQvbGludXgva2VybmVsL2dpdC9kZXZpY2UtbWFwcGVyL2xpbnV4LWRt LmdpdC9jb21taXQvP2g9Zm9yLW5leHQmaWQ9N2VlZTRhZTJkYmIyYmUwYTE1YTQ0MDY3MTg4MDZl NDhiMThiYTgzMQo+IAoKT0vvvIxJJ3ZlIHRlc3RlZCB0aGUgbmV3IHBhdGNoLCB0aGUgcmVzdWx0 IHdhcyBhbHNvIHBhc3MuCgo+IC0tCj4gZG0tZGV2ZWwgbWFpbGluZyBsaXN0Cj4gZG0tZGV2ZWxA cmVkaGF0LmNvbQo+IGh0dHBzOi8vd3d3LnJlZGhhdC5jb20vbWFpbG1hbi9saXN0aW5mby9kbS1k ZXZlbAo+IAo+IC4KPiAKCi0tCmRtLWRldmVsIG1haWxpbmcgbGlzdApkbS1kZXZlbEByZWRoYXQu Y29tCmh0dHBzOi8vd3d3LnJlZGhhdC5jb20vbWFpbG1hbi9saXN0aW5mby9kbS1kZXZlbA==