From mboxrd@z Thu Jan 1 00:00:00 1970 From: majianpeng Subject: [PATCH 0/3] implement of updating atime for client has CEPH_CAP_FILE_RD Date: Tue, 2 Jul 2013 13:45:04 +0800 Message-ID: <201307021345012243134@gmail.com> Reply-To: majianpeng Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 Return-path: Sender: linux-kernel-owner@vger.kernel.org To: sage Cc: ceph-devel , linux-kernel List-Id: ceph-devel.vger.kernel.org Tm93IHVwZGF0ZSBhdGltZSBvZiBmaWxlLCBvbmx5IGZvciBjbGllbnQgaGFkIENFUEhfQ0FQX0ZM RV9FWENMLkJ1dCBmb3IgYXRpbWUsIGlmIG9uZSBjYW4gcmVhZCBoZSBjYW4gdXBkYXRlIHRoaXMg YXR0cmlidGUuDQpGb3IgdGhpcyBmZWF0dXJlLGl0IG5lZWQgYm90aCBjbGllbnQgYW5kIG1kcyBt b2RpZnkuDQpQQVRDSDEsaXQgbW9kaWZ5IHRoZSBtZHMgdG8gc3VwcG9ydC4NClBBVENIMixpdCBt b2RpZnkgdGhlIGNsaWVudCB0byBzdXBvcnQuDQpQQVRDSDMsIGl0IHN1cHBvcnQgdGhpcyBmZWF0 dXJlIGZvciBzeW5jX3JlYWQgbW9kZS4NCg0KSmlhbnBlbmcgTWEgKDMpOg0KIG1kczogdXBkYXRl IGF0aW1lIGlmIGNsaWVudCBjYW4gcmVhZA0KICBjZXBoOiB1cGRhdGUgYXRpbWUgYWZ0ZXIgcmVh ZC1vcGVyYXRpb24uDQogIGNlcGg6IEZvciBjZXBoX3N5bmNfcmVhZCwgdXBkYXRlIHRoZSBhdGlt ZSBvZiBmaWxlLg0KDQogZnMvY2VwaC9maWxlLmMgfCAxMiArKysrKysrKysrKysNCiAxIGZpbGUg Y2hhbmdlZCwgMTIgaW5zZXJ0aW9ucygrKQ0KDQotLSANCjEuOC4xLjI= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752074Ab3GBFpL (ORCPT ); Tue, 2 Jul 2013 01:45:11 -0400 Received: from mail-pb0-f44.google.com ([209.85.160.44]:64673 "EHLO mail-pb0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750714Ab3GBFpJ (ORCPT ); Tue, 2 Jul 2013 01:45:09 -0400 Date: Tue, 2 Jul 2013 13:45:04 +0800 From: majianpeng To: sage Cc: ceph-devel , linux-kernel Reply-To: majianpeng Subject: [PATCH 0/3] implement of updating atime for client has CEPH_CAP_FILE_RD X-Priority: 3 X-GUID: 3470A365-ECE0-4A6F-9513-E3F65CF533E2 X-Has-Attach: no X-Mailer: Foxmail 7.0.1.90[en] Mime-Version: 1.0 Message-ID: <201307021345012243134@gmail.com> Content-Type: text/plain; charset="gb2312" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id r625jOJX005628 Now update atime of file, only for client had CEPH_CAP_FLE_EXCL.But for atime, if one can read he can update this attribte. For this feature,it need both client and mds modify. PATCH1,it modify the mds to support. PATCH2,it modify the client to suport. PATCH3, it support this feature for sync_read mode. Jianpeng Ma (3): mds: update atime if client can read ceph: update atime after read-operation. ceph: For ceph_sync_read, update the atime of file. fs/ceph/file.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) -- 1.8.1.2{.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I