Re: [PATCH 5/9] block: introduce blk_drain_queue()

Bart Van Assche
2017-08-31T22:35:38Z

T24gRnJpLCAyMDE3LTA5LTAxIGF0IDAxOjI3ICswODAwLCBNaW5nIExlaSB3cm90ZToNCj4gU28g
dGhhdCB3ZSBjYW4gc3VwcG9ydCBsZWdhY3kgdmVyc2lvbiBvZiBmcmVlemluZyBxdWV1ZSwNCj4g
d2hpY2ggaXMgcmVxdWlyZWQgYnkgc2FmZSBTQ1NJIHF1aWVzY2luZy4NCj4gDQo+IFNpZ25lZC1v
ZmYtYnk6IE1pbmcgTGVpIDxtaW5nLmxlaUByZWRoYXQuY29tPg0KPiAtLS0NCj4gIGJsb2NrL2Js
ay1jb3JlLmMgICAgICAgfCAxNiArKysrKysrKysrKysrKysrDQo+ICBpbmNsdWRlL2xpbnV4L2Js
a2Rldi5oIHwgIDEgKw0KPiAgMiBmaWxlcyBjaGFuZ2VkLCAxNyBpbnNlcnRpb25zKCspDQo+IA0K
PiBkaWZmIC0tZ2l0IGEvYmxvY2svYmxrLWNvcmUuYyBiL2Jsb2NrL2Jsay1jb3JlLmMNCj4gaW5k
ZXggZDU3OTUwMWYyNGJhLi42MzY0NTJmMTUxZWEgMTAwNjQ0DQo+IC0tLSBhL2Jsb2NrL2Jsay1j
b3JlLmMNCj4gKysrIGIvYmxvY2svYmxrLWNvcmUuYw0KPiBAQCAtNTMwLDYgKzUzMCwyMiBAQCBz
dGF0aWMgdm9pZCBfX2Jsa19kcmFpbl9xdWV1ZShzdHJ1Y3QgcmVxdWVzdF9xdWV1ZSAqcSwgYm9v
bCBkcmFpbl9hbGwpDQo+ICB9DQo+ICANCj4gIC8qKg0KPiArICogYmxrX2RyYWluX3F1ZXVlIC0g
ZHJhaW4gcmVxdWVzdHMgZnJvbSByZXF1ZXN0X3F1ZXVlDQo+ICsgKiBAcTogcXVldWUgdG8gZHJh
aW4NCj4gKyAqDQo+ICsgKiBEcmFpbiByZXF1ZXN0cyBmcm9tIEBxLiAgQWxsIHBlbmRpbmcgcmVx
dWVzdHMgYXJlIGRyYWluZWQuDQo+ICsgKiBUaGUgY2FsbGVyIGlzIHJlc3BvbnNpYmxlIGZvciBl
bnN1cmluZyB0aGF0IG5vIG5ldyByZXF1ZXN0cw0KPiArICogd2hpY2ggbmVlZCB0byBiZSBkcmFp
bmVkIGFyZSBxdWV1ZWQuDQo+ICsgKi8NCj4gK3ZvaWQgYmxrX2RyYWluX3F1ZXVlKHN0cnVjdCBy
ZXF1ZXN0X3F1ZXVlICpxKQ0KPiArew0KPiArCXNwaW5fbG9ja19pcnEocS0+cXVldWVfbG9jayk7
DQo+ICsJX19ibGtfZHJhaW5fcXVldWUocSwgdHJ1ZSk7DQo+ICsJc3Bpbl91bmxvY2tfaXJxKHEt
PnF1ZXVlX2xvY2spOw0KPiArfQ0KPiArRVhQT1JUX1NZTUJPTChibGtfZHJhaW5fcXVldWUpOw0K
DQpIZWxsbyBNaW5nLA0KDQpQbGVhc2UgZHJvcCB0aGlzIHBhdGNoLiBBcyBmYXIgYXMgSSBjYW4g
c2VlIHRoaXMgcGF0Y2ggc2VyaWVzIGludHJvZHVjZXMgb25seQ0Kb25lIGNhbGwgdG8gYmxrX2Ry
YWluX3F1ZXVlKCksIG5hbWVseSBpbiBibGtfZnJlZXplX3F1ZXVlX3dhaXQoKSBpbiBwYXRjaCA2
Lg0KTXkgcHJvcG9zYWwgaXMgdG8gaW5saW5lIHRoZSBib2R5IG9mIGJsa19kcmFpbl9xdWV1ZSgp
IGluIGJsa19mcmVlemVfcXVldWVfd2FpdCgpDQppbnN0ZWFkIG9mIHJlaW50cm9kdWNpbmcgYmxr
X2RyYWluX3F1ZXVlKCkgKHNlZSBhbHNvIGNvbW1pdCA4MDc1OTJhNGZhZmI7DQoiYmxvY2s6IExl
dCBibGtfZHJhaW5fcXVldWUoKSBjYWxsZXIgb2J0YWluIHRoZSBxdWV1ZSBsb2NrIikuDQoNCkJh
cnQu