From mboxrd@z Thu Jan 1 00:00:00 1970 From: dongmao zhang Subject: [PATCH 0/1] patches to improve cluster raid1 performance [V3] Date: Mon, 28 Oct 2013 18:07:02 +0800 Message-ID: References: Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: dm-devel@redhat.com List-Id: dm-devel.ids use DM_INTEGRATED_FLUSH to indicate the new option of flush request. when using DM_INTEGRATED_FLUSH, the payload of flush request is the same as mark region request. 'X' means we have this kind of request, while '0' means none. mark request : X X 0 clear request: X 0 X flush method: payload_flush payload_flush delayed flush dongmao zhang (1): improve the performance of dm-log-userspace drivers/md/dm-log-userspace-base.c | 133 +++++++++++++++++++++++++++++---- include/uapi/linux/dm-log-userspace.h | 6 +- 2 files changed, 121 insertions(+), 18 deletions(-) -- 1.7.3.4