From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Bart Van Assche To: "ming.lei@redhat.com" CC: "linux-block@vger.kernel.org" , "jthumshirn@suse.de" , "linux-raid@vger.kernel.org" , "hch@lst.de" , "martin.petersen@oracle.com" , "axboe@kernel.dk" , "oleksandr@natalenko.name" , "hare@suse.com" , "shli@kernel.org" Subject: Re: [PATCH v4 1/7] md: Make md resync and reshape threads freezable Date: Mon, 2 Oct 2017 15:39:35 +0000 Message-ID: <1506958773.3368.12.camel@wdc.com> References: <20170925202924.16603-1-bart.vanassche@wdc.com> <20170925202924.16603-2-bart.vanassche@wdc.com> <20170926111747.GA16794@ming.t460p> <1506436926.3787.24.camel@wdc.com> <20170926145919.GC31449@ming.t460p> <1506481915.2822.9.camel@wdc.com> <20170927110006.GB1994@ming.t460p> In-Reply-To: <20170927110006.GB1994@ming.t460p> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-ID: T24gV2VkLCAyMDE3LTA5LTI3IGF0IDE5OjAwICswODAwLCBNaW5nIExlaSB3cm90ZToNCj4gV2l0 aCBjdXJyZW50IGxpbnVzIHRyZWUsIFNDU0kgSS9PIGlzIHByZXZlbnRlZCBmcm9tIGJlaW5nIGRp c3BhdGNoIHRvDQo+IGRldmljZSBkdXJpbmcgc3VzcGVuZCBieSBTQ1NJIHF1aWVzY2UsIGFuZCB3 aWxsIGJlIGRpc3BhdGNoZWQgYWdhaW4NCj4gaW4gcmVzdW1lLiBXaXRoIFNhZmUgU0NTSSBxdWll c2NlWzFdLCBhbnkgdW5kZXJseWluZyBJTyByZXF1ZXN0IHdpbGwNCj4gc3RvcCBhdCBibGtfcXVl dWVfZW50ZXIoKSBkdXJpbmcgc3VzcGVuZCwgYW5kIHJlc3RhcnQgZnJvbSB0aGVyZSBkdXJpbmcN Cj4gcmVzdW1lLg0KPiANCj4gRm9yIG90aGVyIG5vbi1TQ1NJIGRyaXZlciwgdGhlaXIgLnN1c3Bl bmQvLnJlc3VtZSBvZnRlbg0KPiBoYW5kbGVzIEkvTyBpbiBzaW1pbGFyIHdheSwgZm9yIGV4YW1w bGUsIE5WTWUgcXVldWUgd2lsbA0KPiBiZSBmcm96ZW4gaW4gLnN1c3BlbmQsIGFuZCB1bmZyZWV6 ZSBpbiAucmVzdW1lLg0KPiANCj4gU28gY291bGQgeW91IGV4cGxhaW4gYSBiaXQgd2hpY2gga2lu ZCBvZiBidWcgdGhpcyBwYXRjaCBmaXhlcz8NCg0KSXQgc2VlbXMgbGlrZSB5b3UgZG8gbm90IGZ1 bGx5IHVuZGVyc3RhbmQgdGhlIG1vdGl2YXRpb24gYmVoaW5kIHF1aWVzY2luZyBhbmQNCnJlc3Vt aW5nIEkvTyBmcm9tIGluc2lkZSB0aGUgU0NTSSBhbmQgTlZNZSBmcmVlemUgYW5kIHRoYXcgcG93 ZXIgbWFuYWdlbWVudA0KY2FsbGJhY2tzLiBIaWJlcm5hdGlvbiBjYW4gb25seSB3b3JrIHJlbGlh Ymx5IGlmIG5vIEkvTyBpcyBzdWJtaXR0ZWQgYWZ0ZXINCmNyZWF0aW9uIG9mIHRoZSBoaWJlcm5h dGlvbiBpbWFnZSBoYXMgYmVlbiBzdGFydGVkLiBJZiBhbnkgSS9PIGlzIHN1Ym1pdHRlZA0KdGhh dCBpcyBub3QgcmVsYXRlZCB0byB0aGUgaGliZXJuYXRpb24gcHJvY2VzcyBpdHNlbGYgYnkgYW55 IGRyaXZlciBhZnRlcg0KdXNlciBzcGFjZSBwcm9jZXNzZXMgYW5kIGtlcm5lbCB0aHJlYWRzIGhh dmUgYmVlbiBmcm96ZW4gdGhlbiB0aGF0J3MgYSAqYnVnKg0KaW4gdGhlIGNvbXBvbmVudCB0aGF0 IHN1Ym1pdHRlZCB0aGUgSS9PLiBUaGUgZnJlZXppbmcgYW5kIHN1c3BlbmRpbmcgb2YgSS9PDQpm cm9tIGluc2lkZSB0aGUgU0NTSSBhbmQgTlZNZSBkcml2ZXJzIGlzIGEgKndvcmthcm91bmQqIGZv ciB0aGVzZSBidWdzIGJ1dCBpcw0Kbm90IGEgZnVsbCBzb2x1dGlvbi4gQmVmb3JlIHRoZSBoaWJl cm5hdGlvbiBpbWFnZSBpcyB3cml0dGVuIHRvIGRpc2sgSS9PIGlzDQpyZXN1bWVkIGFuZCB0aGUg SS9PIHJlcXVlc3RzIHRoYXQgZ290IGRlZmVycmVkIHdpbGwgYmUgZXhlY3V0ZWQgYXQgdGhhdCB0 aW1lLg0KSW4gb3RoZXIgd29yZHMsIHN1c3BlbmRpbmcgYW5kIHJlc3VtaW5nIEkvTyBmcm9tIGlu c2lkZSB0aGUgU0NTSSBhbmQgTlZNZQ0KZHJpdmVycyBpcyBhIHdvcmthcm91bmQgYW5kIG5vdCBh IGZ1bGwgc29sdXRpb24uIFRoZSBmb2xsb3dpbmcgcXVvdGUgZnJvbQ0KRG9jdW1lbnRhdGlvbi9w b3dlci9zd3N1c3AudHh0IGlsbHVzdHJhdGVzIHRoaXM6DQoNCiAqIEJJRyBGQVQgV0FSTklORyAq KioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioN CiAqDQogKiBJZiB5b3UgdG91Y2ggYW55dGhpbmcgb24gZGlzayBiZXR3ZWVuIHN1c3BlbmQgYW5k IHJlc3VtZS4uLg0KICoJCQkJLi4ua2lzcyB5b3VyIGRhdGEgZ29vZGJ5ZS4NCg0KQmFydC4=