From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Laight Subject: RE: [PATCH 1/4] fs: Implement close-on-fork Date: Sun, 3 May 2020 13:52:45 +0000 Message-ID: <4d00ffe759ec4f87bd7f4e663732838b@AcuMS.aculab.com> References: <20200420071548.62112-1-nate.karstens@garmin.com> <20200420071548.62112-2-nate.karstens@garmin.com> <36dce9b4-a0bf-0015-f6bc-1006938545b1@gmail.com> <0e884704c25740df8e652d50431facff@garmin.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <0e884704c25740df8e652d50431facff@garmin.com> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: "'Karstens, Nate'" , Eric Dumazet , Alexander Viro , Jeff Layton , "J. Bruce Fields" , Arnd Bergmann , Richard Henderson , Ivan Kokshaysky , Matt Turner , "James E.J. Bottomley" , Helge Deller , "David S. Miller" , Jakub Kicinski , "linux-fsdevel@vger.kernel.org" , "linux-arch@vger.kernel.org" , "linux-alpha@vger.kernel.org" , "linux-parisc@vger.kernel.org" Cc: Changli Gao List-Id: linux-arch.vger.kernel.org RnJvbTogS2Fyc3RlbnMsIE5hdGUNCj4gU2VudDogMDEgTWF5IDIwMjAgMTU6NDUNCj4gVGhhbmtz IGZvciB0aGUgc3VnZ2VzdGlvbi4gSSBsb29rZWQgaW50byBpdCBhbmQgbm90aWNlZCB0aGF0IGRv X2Nsb3NlX29uX2V4ZWMoKSBhcHBlYXJzIHRvIGhhdmUgc29tZQ0KPiBvcHRpbWl6YXRpb25zIGFz IHdlbGw6DQo+IA0KPiA+IHNldCA9IGZkdC0+Y2xvc2Vfb25fZXhlY1tpXTsNCj4gPiBpZiAoIXNl dCkNCj4gPiAJY29udGludWU7DQo+IA0KPiBJZiB3ZSBpbnRlcmxlYXZlIHRoZSBjbG9zZS1vbi1l eGVjIGFuZCBjbG9zZS1vbi1mb3JrIGZsYWdzIHRoZW4gdGhpcyBvcHRpbWl6YXRpb24gd2lsbCBo YXZlIHRvIGJlDQo+IHJlbW92ZWQuIERvIHlvdSBoYXZlIGEgc2Vuc2Ugb2Ygd2hpY2ggb3B0aW1p emF0aW9uIHByb3ZpZGVzIHRoZSBtb3N0IGJlbmVmaXQ/DQoNClRoaW5rcy4uLi4NCkEgbW9kZXJh dGUgcHJvcG9ydGlvbiBvZiBleGVjKCkgd2lsbCBoYXZlIGF0IGxlYXN0IG9uZSBmZCB3aXRoICdj bG9zZSBvbiBleGVjJyBzZXQuDQpWZXJ5IGZldyBmb3JrKCkgd2lsbCBoYXZlIGFueSBmZCB3aXRo ICdjbG9zZSBvbiBmb3JrJyBzZXQuDQpUaGUgJ2Nsb3NlIG9uIGZvcmsnIHRhYmxlIHNob3VsZG4n dCBiZSBjb3BpZWQgdG8gdGhlIGZvcmtlZCBwcm9jZXNzLg0KVGhlICdjbG9zZSBvbiBleGVjJyB0 YWJsZSBpcyBkZWxldGVkIGJ5IGV4ZWMoKS4NCg0KU28uLi4NCk9uIGZvcmsoKSB0YWtlIGEgY29w eSBhbmQgY2xlYXIgdGhlICdjbG9zZV9vbl9mb3JrJyBiaXRtYXAuDQpGb3IgZXZlcnkgYml0IHNl dCBsb29rdXAgdGhlIGZkIGFuZCBjbG9zZSBpZiB0aGUgbGl2ZSBiaXQgaXMgc2V0Lg0KU2ltaWxh cmx5IGV4ZWMoKSBjbGVhcnMgYW5kIGFjdHMgb24gdGhlICdjbG9zZSBvbiBleGVjJyBtYXAuDQoN CllvdSBzaG91bGQgYmUgYWJsZSB0byB1c2UgdGhlIHNhbWUgJ2Nsb3NlIHRoZSBmZHMgaW4gdGhp cyBiaXRtYXAnDQpmdW5jdGlvbiBmb3IgYm90aCBjYXNlcy4NCg0KU28gSSB0aGluayB5b3UgbmVl ZCB0d28gYml0bWFwcy4NCkJ1dCB0aGUgY29kZSBuZWVkcyB0byBkaWZmZXJlbnRpYXRlIGJldHdl ZW4gcmVxdWVzdHMgdG8gc2V0IGJpdHMNCih3aGljaCBuZWVkIHRvIGFsbG9jYXRlL2V4dGVuZCB0 aGUgYml0bWFwKSBhbmQgb25lcyB0byBjbGVhci9yZWFkDQpiaXRzICh3aGljaCBkbyBub3QpLg0K DQpZb3UgbWlnaHQgZXZlbiBjb25zaWRlciBwdXR0aW5nIHRoZSAnbGl2ZScgZmxhZyBpbnRvIHRo ZSBmZCBzdHJ1Y3R1cmUNCmFuZCB1c2luZyB0aGUgYml0bWFwIHZhbHVlIGFzIGEgJ2hpbnQnIC0g d2hpY2ggbWlnaHQgYmUgaGFzaGVkLg0KDQpBZnRlciBhbGwsIGl0IGlzIGxpa2VseSB0aGF0IHRo ZSAnY2xvc2Ugb24gZXhlYycgcHJvY2Vzc2luZw0Kd2lsbCBiZSBmYXN0ZXIgb3ZlcmFsbCBpZiBp dCBqdXN0IGxvb3BzIHRocm91Z2ggdGhlIG9wZW4gZmQgYW5kDQpjaGVja3MgZWFjaCBpbiB0dXJu IQ0KSSBkb3VidCBtYW55IHByb2Nlc3NlcyBhY3R1YWxseSBleGVjIHdpdGggbW9yZSB0aGFuIGFu IGhhbmRmdWwNCm9mIG9wZW4gZmlsZXMuDQoNCglEYXZpZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJl c3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9hZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5lcywgTUsx IDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBObzogMTM5NzM4NiAoV2FsZXMpDQo= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:58366 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728522AbgECNwu (ORCPT ); Sun, 3 May 2020 09:52:50 -0400 From: David Laight Subject: RE: [PATCH 1/4] fs: Implement close-on-fork Date: Sun, 3 May 2020 13:52:45 +0000 Message-ID: <4d00ffe759ec4f87bd7f4e663732838b@AcuMS.aculab.com> References: <20200420071548.62112-1-nate.karstens@garmin.com> <20200420071548.62112-2-nate.karstens@garmin.com> <36dce9b4-a0bf-0015-f6bc-1006938545b1@gmail.com> <0e884704c25740df8e652d50431facff@garmin.com> In-Reply-To: <0e884704c25740df8e652d50431facff@garmin.com> Content-Language: en-US MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-arch-owner@vger.kernel.org List-ID: To: "'Karstens, Nate'" , Eric Dumazet , Alexander Viro , Jeff Layton , "J. Bruce Fields" , Arnd Bergmann , Richard Henderson , Ivan Kokshaysky , Matt Turner , "James E.J. Bottomley" , Helge Deller , "David S. Miller" , Jakub Kicinski , "linux-fsdevel@vger.kernel.org" , "linux-arch@vger.kernel.org" , "linux-alpha@vger.kernel.org" , "linux-parisc@vger.kernel.org" , "sparclinux@vger.kernel.org" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" Cc: Changli Gao Message-ID: <20200503135245.9blX9m2LQXidYD5WyvkKRfD58dfgfP54CdHQvT33-3I@z> RnJvbTogS2Fyc3RlbnMsIE5hdGUNCj4gU2VudDogMDEgTWF5IDIwMjAgMTU6NDUNCj4gVGhhbmtz IGZvciB0aGUgc3VnZ2VzdGlvbi4gSSBsb29rZWQgaW50byBpdCBhbmQgbm90aWNlZCB0aGF0IGRv X2Nsb3NlX29uX2V4ZWMoKSBhcHBlYXJzIHRvIGhhdmUgc29tZQ0KPiBvcHRpbWl6YXRpb25zIGFz IHdlbGw6DQo+IA0KPiA+IHNldCA9IGZkdC0+Y2xvc2Vfb25fZXhlY1tpXTsNCj4gPiBpZiAoIXNl dCkNCj4gPiAJY29udGludWU7DQo+IA0KPiBJZiB3ZSBpbnRlcmxlYXZlIHRoZSBjbG9zZS1vbi1l eGVjIGFuZCBjbG9zZS1vbi1mb3JrIGZsYWdzIHRoZW4gdGhpcyBvcHRpbWl6YXRpb24gd2lsbCBo YXZlIHRvIGJlDQo+IHJlbW92ZWQuIERvIHlvdSBoYXZlIGEgc2Vuc2Ugb2Ygd2hpY2ggb3B0aW1p emF0aW9uIHByb3ZpZGVzIHRoZSBtb3N0IGJlbmVmaXQ/DQoNClRoaW5rcy4uLi4NCkEgbW9kZXJh dGUgcHJvcG9ydGlvbiBvZiBleGVjKCkgd2lsbCBoYXZlIGF0IGxlYXN0IG9uZSBmZCB3aXRoICdj bG9zZSBvbiBleGVjJyBzZXQuDQpWZXJ5IGZldyBmb3JrKCkgd2lsbCBoYXZlIGFueSBmZCB3aXRo ICdjbG9zZSBvbiBmb3JrJyBzZXQuDQpUaGUgJ2Nsb3NlIG9uIGZvcmsnIHRhYmxlIHNob3VsZG4n dCBiZSBjb3BpZWQgdG8gdGhlIGZvcmtlZCBwcm9jZXNzLg0KVGhlICdjbG9zZSBvbiBleGVjJyB0 YWJsZSBpcyBkZWxldGVkIGJ5IGV4ZWMoKS4NCg0KU28uLi4NCk9uIGZvcmsoKSB0YWtlIGEgY29w eSBhbmQgY2xlYXIgdGhlICdjbG9zZV9vbl9mb3JrJyBiaXRtYXAuDQpGb3IgZXZlcnkgYml0IHNl dCBsb29rdXAgdGhlIGZkIGFuZCBjbG9zZSBpZiB0aGUgbGl2ZSBiaXQgaXMgc2V0Lg0KU2ltaWxh cmx5IGV4ZWMoKSBjbGVhcnMgYW5kIGFjdHMgb24gdGhlICdjbG9zZSBvbiBleGVjJyBtYXAuDQoN CllvdSBzaG91bGQgYmUgYWJsZSB0byB1c2UgdGhlIHNhbWUgJ2Nsb3NlIHRoZSBmZHMgaW4gdGhp cyBiaXRtYXAnDQpmdW5jdGlvbiBmb3IgYm90aCBjYXNlcy4NCg0KU28gSSB0aGluayB5b3UgbmVl ZCB0d28gYml0bWFwcy4NCkJ1dCB0aGUgY29kZSBuZWVkcyB0byBkaWZmZXJlbnRpYXRlIGJldHdl ZW4gcmVxdWVzdHMgdG8gc2V0IGJpdHMNCih3aGljaCBuZWVkIHRvIGFsbG9jYXRlL2V4dGVuZCB0 aGUgYml0bWFwKSBhbmQgb25lcyB0byBjbGVhci9yZWFkDQpiaXRzICh3aGljaCBkbyBub3QpLg0K DQpZb3UgbWlnaHQgZXZlbiBjb25zaWRlciBwdXR0aW5nIHRoZSAnbGl2ZScgZmxhZyBpbnRvIHRo ZSBmZCBzdHJ1Y3R1cmUNCmFuZCB1c2luZyB0aGUgYml0bWFwIHZhbHVlIGFzIGEgJ2hpbnQnIC0g d2hpY2ggbWlnaHQgYmUgaGFzaGVkLg0KDQpBZnRlciBhbGwsIGl0IGlzIGxpa2VseSB0aGF0IHRo ZSAnY2xvc2Ugb24gZXhlYycgcHJvY2Vzc2luZw0Kd2lsbCBiZSBmYXN0ZXIgb3ZlcmFsbCBpZiBp dCBqdXN0IGxvb3BzIHRocm91Z2ggdGhlIG9wZW4gZmQgYW5kDQpjaGVja3MgZWFjaCBpbiB0dXJu IQ0KSSBkb3VidCBtYW55IHByb2Nlc3NlcyBhY3R1YWxseSBleGVjIHdpdGggbW9yZSB0aGFuIGFu IGhhbmRmdWwNCm9mIG9wZW4gZmlsZXMuDQoNCglEYXZpZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJl c3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9hZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5lcywgTUsx IDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBObzogMTM5NzM4NiAoV2FsZXMpDQo=