ping 06.05.2019 18:34, Vladimir Sementsov-Ogievskiy wrote: > This series introduces a bottom intermediate node that eliminates the > dependency on the base that may change while stream job is running. > It happens when stream/commit parallel jobs are running on the same > backing chain. The base node of the stream job may be a top node of > the parallel commit job and can change before the stream job is > completed. We avoid that dependency by introducing the bottom node. > > v6: [resend by Vladimir] > 01: improve comment in block/io.c, suggested by Alberto > > v5: [resend by Vladimir] > 01: use comment wording in block/io.c suggested by Alberto > Now the whole series are reviewed-by Alberto and me. > > v4: > trace_stream_start reverted to the base. > bdrv_is_allocated_above_inclusive() deleted and the new parameter > 'bool include_base' was added to the bdrv_is_allocated_above(). > > Andrey Shinkevich (2): > block: include base when checking image chain for block allocation > block/stream: introduce a bottom node > > Vladimir Sementsov-Ogievskiy (1): > block/stream: refactor stream_run: drop goto > > include/block/block.h | 3 +- > block/commit.c | 2 +- > block/io.c | 20 ++++++++++---- > block/mirror.c | 2 +- > block/replication.c | 2 +- > block/stream.c | 62 ++++++++++++++++++++---------------------- > tests/qemu-iotests/245 | 4 +-- > 7 files changed, 50 insertions(+), 45 deletions(-) >
-- Best regards, Vladimir
