From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53570) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bNglr-00059d-BZ for qemu-devel@nongnu.org; Thu, 14 Jul 2016 09:33:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bNgln-0007tV-8j for qemu-devel@nongnu.org; Thu, 14 Jul 2016 09:33:43 -0400 Received: from mailhub.sw.ru ([195.214.232.25]:27516 helo=relay.sw.ru) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bNglm-0007su-So for qemu-devel@nongnu.org; Thu, 14 Jul 2016 09:33:39 -0400 From: "Denis V. Lunev" Date: Thu, 14 Jul 2016 16:33:21 +0300 Message-Id: <1468503209-19498-1-git-send-email-den@openvz.org> Subject: [Qemu-devel] [PATCH v3 0/8] drive-mirror improvements List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org, qemu-devel@nongnu.org Cc: den@openvz.org, Stefan Hajnoczi , Fam Zheng , Kevin Wolf , Max Reitz , Jeff Cody , Eric Blake This patchset contains patches dealing with known-to-be-zero areas in drive mirror from [PATCH 0/9] major rework of drive-mirror patchset. Changes from v2: - added mirror_throttle helper (patch 3) to address Eric' comment about last_time_ns - comment tweaks (thank you, Eric) - marked mirror_dirty_init as couroutine_fn Changes from v1: - only patches dealing with zeroes remains - ported to current HEAD - fixed issue with dirty-bitmap, int length is changed with int64 - fixed sectors_in_flight usage - patch 6 is reworked taken into account bugs found in active mirror - fixed patch 7 - direct checking of .bdrv_co_write_zeroes is replaced with bdrv_can_write_zeroes_with_unmap - added fixes for bdrv_can_write_zeroes_with_unmap Signed-off-by: Denis V. Lunev CC: Stefan Hajnoczi CC: Fam Zheng CC: Kevin Wolf CC: Max Reitz CC: Jeff Cody CC: Eric Blake Denis V. Lunev (8): dirty-bitmap: operate with int64_t amount mirror: make sectors_in_flight int64_t mirror: create mirror_throttle helper mirror: create mirror_dirty_init helper for mirror_run block: remove extra condition in bdrv_can_write_zeroes_with_unmap mirror: optimize dirty bitmap filling in mirror_run a bit mirror: efficiently zero out target mirror: improve performance of mirroring of empty disk block.c | 2 +- block/dirty-bitmap.c | 6 +- block/mirror.c | 145 +++++++++++++++++++++++++++++-------------- include/block/block_int.h | 2 +- include/block/dirty-bitmap.h | 4 +- 5 files changed, 106 insertions(+), 53 deletions(-) -- 2.5.0