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* [Qemu-devel] [PATCH 0/6] dirty-bitmap: rewrite bdrv_dirty_iter_next_area
@ 2018-08-03 17:46 Vladimir Sementsov-Ogievskiy
  2018-08-03 17:46 ` [Qemu-devel] [PATCH 1/6] dirty-bitmap: improve bdrv_dirty_bitmap_next_zero Vladimir Sementsov-Ogievskiy
                   ` (6 more replies)
  0 siblings, 7 replies; 10+ messages in thread
From: Vladimir Sementsov-Ogievskiy @ 2018-08-03 17:46 UTC (permalink / raw)
  To: qemu-devel, qemu-block
  Cc: pbonzini, eblake, jsnow, famz, mreitz, kwolf, jcody, vsementsov, den

Hi all.

1. bdrv_dirty_iter_next_area don't use hbitmap_next_zero and uses
inefficient loop instead. Let's improve it.

2. bdrv_dirty_iter_next_area don't handle unaligned offset and
max_offset correctly. I'm not sure that it is a real bug. But if it is,
we need these series in 3.0.

Details are in 03 commit message.

Vladimir Sementsov-Ogievskiy (6):
  dirty-bitmap: improve bdrv_dirty_bitmap_next_zero
  dirty-bitmap: add bdrv_dirty_bitmap_next_dirty_area
  block/mirror: fix and improve do_sync_target_write
  Revert "block/dirty-bitmap: Add bdrv_dirty_iter_next_area"
  Revert "test-hbitmap: Add non-advancing iter_next tests"
  Revert "hbitmap: Add @advance param to hbitmap_iter_next()"

 include/block/dirty-bitmap.h |  8 +++--
 include/qemu/hbitmap.h       | 27 +++++++++++++----
 block/backup.c               |  4 +--
 block/dirty-bitmap.c         | 69 +++++++-------------------------------------
 block/mirror.c               | 16 +++++-----
 nbd/server.c                 |  2 +-
 tests/test-hbitmap.c         | 38 +++++++++---------------
 util/hbitmap.c               | 62 ++++++++++++++++++++++++++++++++-------
 8 files changed, 112 insertions(+), 114 deletions(-)

-- 
2.11.1

^ permalink raw reply	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2018-08-03 19:09 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-08-03 17:46 [Qemu-devel] [PATCH 0/6] dirty-bitmap: rewrite bdrv_dirty_iter_next_area Vladimir Sementsov-Ogievskiy
2018-08-03 17:46 ` [Qemu-devel] [PATCH 1/6] dirty-bitmap: improve bdrv_dirty_bitmap_next_zero Vladimir Sementsov-Ogievskiy
2018-08-03 18:32   ` Eric Blake
2018-08-03 17:46 ` [Qemu-devel] [PATCH 2/6] dirty-bitmap: add bdrv_dirty_bitmap_next_dirty_area Vladimir Sementsov-Ogievskiy
2018-08-03 18:03   ` Vladimir Sementsov-Ogievskiy
2018-08-03 17:46 ` [Qemu-devel] [PATCH 3/6] block/mirror: fix and improve do_sync_target_write Vladimir Sementsov-Ogievskiy
2018-08-03 17:46 ` [Qemu-devel] [PATCH 4/6] Revert "block/dirty-bitmap: Add bdrv_dirty_iter_next_area" Vladimir Sementsov-Ogievskiy
2018-08-03 17:46 ` [Qemu-devel] [PATCH 5/6] Revert "test-hbitmap: Add non-advancing iter_next tests" Vladimir Sementsov-Ogievskiy
2018-08-03 17:46 ` [Qemu-devel] [PATCH 6/6] Revert "hbitmap: Add @advance param to hbitmap_iter_next()" Vladimir Sementsov-Ogievskiy
2018-08-03 19:08 ` [Qemu-devel] [PATCH 0/6] dirty-bitmap: rewrite bdrv_dirty_iter_next_area no-reply

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