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[Qemu-block] [PATCH v2 0/7] drive-mirror improvements
From: |
Denis V. Lunev |
Subject: |
[Qemu-block] [PATCH v2 0/7] drive-mirror improvements |
Date: |
Thu, 7 Jul 2016 12:35:15 +0300 |
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 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 <address@hidden>
CC: Stefan Hajnoczi <address@hidden>
CC: Fam Zheng <address@hidden>
CC: Kevin Wolf <address@hidden>
CC: Max Reitz <address@hidden>
CC: Jeff Cody <address@hidden>
CC: Eric Blake <address@hidden>
Denis V. Lunev (7):
dirty-bitmap: operate with int64_t amount
mirror: make sectors_in_flight int64_t
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 | 138 ++++++++++++++++++++++++++++++-------------
include/block/block_int.h | 2 +-
include/block/dirty-bitmap.h | 4 +-
5 files changed, 103 insertions(+), 49 deletions(-)
--
2.5.0
- [Qemu-block] [PATCH v2 0/7] drive-mirror improvements,
Denis V. Lunev <=