Re: [PATCH v2 00/11] qcow2: make subclusters discardable

[Andrey Drobyshev]

On 6/3/24 12:19 PM, Andrey Drobyshev wrote:
> On 5/13/24 9:31 AM, Andrey Drobyshev wrote:
>> v1: https://lists.nongnu.org/archive/html/qemu-devel/2023-10/msg07223.html
>>
>> Andrey Drobyshev (11):
>>   qcow2: make function update_refcount_discard() global
>>   qcow2: simplify L2 entries accounting for discard-no-unref
>>   qcow2: put discard requests in the common queue when discard-no-unref
>>     enabled
>>   block/file-posix: add trace event for fallocate() calls
>>   iotests/common.rc: add disk_usage function
>>   iotests/290: add test case to check 'discard-no-unref' option behavior
>>   qcow2: add get_sc_range_info() helper for working with subcluster
>>     ranges
>>   qcow2: zeroize the entire cluster when there're no non-zero
>>     subclusters
>>   qcow2: make subclusters discardable
>>   qcow2: zero_l2_subclusters: fall through to discard operation when
>>     requested
>>   iotests/271: add test cases for subcluster-based discard/unmap
>>
>>  block/file-posix.c           |   1 +
>>  block/qcow2-cluster.c        | 346 ++++++++++++++++++++++++++++-------
>>  block/qcow2-refcount.c       |   8 +-
>>  block/qcow2-snapshot.c       |   6 +-
>>  block/qcow2.c                |  25 +--
>>  block/qcow2.h                |   6 +-
>>  block/trace-events           |   1 +
>>  tests/qemu-iotests/250       |   5 -
>>  tests/qemu-iotests/271       |  72 ++++++--
>>  tests/qemu-iotests/271.out   |  69 ++++++-
>>  tests/qemu-iotests/290       |  34 ++++
>>  tests/qemu-iotests/290.out   |  28 +++
>>  tests/qemu-iotests/common.rc |   6 +
>>  13 files changed, 490 insertions(+), 117 deletions(-)
>>
> 
> Friendly ping

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