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[PATCH v4 00/10] Further bitmaps improvements

From: Vladimir Sementsov-Ogievskiy
Subject: [PATCH v4 00/10] Further bitmaps improvements
Date: Wed, 5 Feb 2020 14:20:31 +0300


The main feature here is improvement of _next_dirty_area API, which I'm
going to use then for backup / block-copy.

Somehow, I thought that it was merged, but seems I even forgot to send

01-04: add Max's r-b
05: switch test_hbitmap_next_zero_check_range args to int64_t too
06: fix s/UINT64_MAX/INT64_MAX/ in comment to hbitmap_next_dirty
    Context changed due to 05 change, but I keep Max's r-b
07: simplify parameter check in hbitmap_next_dirty_area
    drop initialization in hbitmap_sparse_merge
    add Max's r-b
08: commit message tweak
    refactor converted flag to separated converted_to_be and can_add
    do not convert to be automatically in nbd_extent_array_add
    check uint32 overflow in nbd_extent_array_add
10: drop extra check from store_bitmap_data, add Max's r-b

Vladimir Sementsov-Ogievskiy (10):
  hbitmap: assert that we don't create bitmap larger than INT64_MAX
  hbitmap: move hbitmap_iter_next_word to hbitmap.c
  hbitmap: unpublish hbitmap_iter_skip_words
  hbitmap: drop meta bitmaps as they are unused
  block/dirty-bitmap: switch _next_dirty_area and _next_zero to int64_t
  block/dirty-bitmap: add _next_dirty API
  block/dirty-bitmap: improve _next_dirty_area API
  nbd/server: introduce NBDExtentArray
  nbd/server: use bdrv_dirty_bitmap_next_dirty_area
  block/qcow2-bitmap: use bdrv_dirty_bitmap_next_dirty

 include/block/dirty-bitmap.h |   9 +-
 include/qemu/hbitmap.h       |  97 +++--------
 block/dirty-bitmap.c         |  16 +-
 block/qcow2-bitmap.c         |  15 +-
 nbd/server.c                 | 251 ++++++++++++++--------------
 tests/test-hbitmap.c         | 314 +++++++++++++----------------------
 util/hbitmap.c               | 134 +++++++++------
 7 files changed, 375 insertions(+), 461 deletions(-)


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