From mboxrd@z Thu Jan 1 00:00:00 1970 From: majianpeng Subject: Re: Re: [PATCH V2 0/2] Auto stop async-write on block device when device removed. Date: Tue, 24 Sep 2013 11:07:34 +0800 Message-ID: <201309241107330800706@gmail.com> References: <201309171121559232246@gmail.com>, Reply-To: majianpeng Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 Cc: axboe , viro , LKML , linux-fsdevel To: "Jeff Moyer" Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org Pm1hamlhbnBlbmcgPG1hamlhbnBlbmdAZ21haWwuY29tPiB3cml0ZXM6DQo+DQo+PiBGb3IgYXN5 bmMtd3JpdGUgb24gYmxvY2sgZGV2aWNlLGlmIGRldmljZSByZW1vdmVkLGJ1dCB0aGUgdmZzIGRv bid0IGtub3cgaXQuDQo+PiBJdCB3aWxsIGNvbnRpbnVlIHRvIGRvLg0KPj4gUGF0Y2gxIHNldCBz aXplIG9mIGlub2RlIG9mIGJsb2NrIGRldmljZSB0byB6ZXJvIHdoZW4gcmVtb3ZlZCBkaXNrLkJ5 IHRoaXMsdmZzIGtub3cgDQo+PiBkaXNrIGNoYW5nZWQuDQo+PiBQYXRoMiBhZGQgc2l6ZS1jaGVj ayBvbiBibGtfYWlvX3dyaXRlLklmIHBvcyBvZiB3cml0ZSBsYXJnZXIgdGhhbiBzaXplIG9mIGlu b2RlLGl0IHdpbGwNCj4+IHJldHVybiB6ZXJvLlNvIHRoZSB1c2VyIGNhbiBjaGVjayBkaXNrIHN0 YXRlLg0KPg0KPk9LLCBzbyB0aGUgYmFzaWMgcHJvYmxlbSBpcyB0aGF0IF9fZ2VuZXJpY19maWxl X2Fpb193cml0ZSB3aWxsIGFsd2F5cw0KPnJldHVybiAwIGFmdGVyIGRldmljZSByZW1vdmFsLCB5 ZXM/ICBJJ20gbm90IHN1cmUgd2h5IHRoYXQncyBhIHJlYWwNCj5pc3N1ZSwgY2FuIHlvdSBleHBs YWluIGV4YWN0bHkgd2h5IHlvdSdyZSB0cnlpbmcgdG8gY2hhbmdlIHRoaXM/DQo+DQpBdCBwcmVu c2V0LCB0aGUgX19nZW5lcmljX2ZpbGVfYWlvX3dyaXRlIGRvbid0IHJldHVybiB6ZXJvIHJhdGhl ciB0aGF0IHRoZSB3YW50ZWQgc2l6ZS4NClNvIHRoZSB1c2VyIGNhbid0IGtub3cgdGhlIGRpc2sg cmVtb3ZlZC4gDQpGb3IgZXhhbXBsZToNCmRkIGlmPS9kZXYvemVybyBvZj11c2ItZGlzayBicz02 NGsNCldoZW4gcmVtb3ZlZCB1c2ItZGlzaywgZGQgc3RvcGVkIHVudGlsIHJlYWNoZWQgdGhlIGVu ZG9mIHVzYi1kaXNrLg0KDQpVc2luZyB0aGlzIHBhdGNoLCBhZnRlciByZW1vdmVkIGRpc2ssIHRo ZSBhaW8td3JpdGUgd2lsbCByZXR1cm4gemVyby5JIHRoaW5rIHRoZSB1cHBlciB1c2VyIHdpbGwg Y2hlY2suDQoob3IgaWYgdGhlIHNpemUgb2YgYmxvY2sgaXMgemVybywgd2UgcmV0dXJuIC1FTk9T UEMpLg0KDQo+QXMgZm9yIHlvdXIgcGF0Y2hlcywgSSBkb24ndCB0aGluayB0aGF0IHB1dHRpbmcg dGhlIGlfc2l6ZV93cml0ZSBpbnRvDQo+aW52YWxpZGF0ZV9wYXJ0aXRpb25zIGlzIGEgZ29vZCBp ZGVhLiAgQ29uc2lkZXIgdGhlIGNhc2Ugb2YgcmVzY2FubmluZw0KPnBhcnRpdGlvbnM6IHlvdSB3 aWxsIGFsd2F5cyBkZXRlY3QgYSBzaXplIGNoYW5nZSBub3csIHdoaWNoIGlzIG5vdCBnb29kLg0K Pg0KWWVzLkJ1dCBpbiBmdW5jIHJlc2Nhbl9wYXJ0aXRpb25zLCBhZnRlciBpbnZhbGlkYXRlX3Bh cnRpdGlvbnMgaXQgd2lsbCBjYWxsIGNoZWNrX2Rpc2tfc2l6ZV9jaGFuZ2UgdG8gc2V0IHNpemUg b2YgYmxvY2tfZGV2aWNlLg0KDQpUaGFua3MhDQpKaWFucGVuZyBNYQ0KPkNoZWVycywNCj5KZWZm