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 <d...@openvz.org> CC: Stefan Hajnoczi <stefa...@redhat.com> CC: Fam Zheng <f...@redhat.com> CC: Kevin Wolf <kw...@redhat.com> CC: Max Reitz <mre...@redhat.com> CC: Jeff Cody <jc...@redhat.com> CC: Eric Blake <ebl...@redhat.com> 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