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Re: [PATCH v6 1/3] block: introduce compress filter driver
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
Re: [PATCH v6 1/3] block: introduce compress filter driver |
Date: |
Tue, 12 Nov 2019 08:57:42 +0000 |
11.11.2019 23:47, Eric Blake wrote:
> On 11/11/19 10:04 AM, Andrey Shinkevich wrote:
>> Allow writing all the data compressed through the filter driver.
>> The written data will be aligned by the cluster size.
>> Based on the QEMU current implementation, that data can be written to
>> unallocated clusters only. May be used for a backup job.
>>
>> Suggested-by: Max Reitz <address@hidden>
>> Signed-off-by: Andrey Shinkevich <address@hidden>
>> ---
>> block/Makefile.objs | 1 +
>> block/filter-compress.c | 212
>> ++++++++++++++++++++++++++++++++++++++++++++++++
>> qapi/block-core.json | 10 ++-
>> 3 files changed, 219 insertions(+), 4 deletions(-)
>> create mode 100644 block/filter-compress.c
>
>> +++ b/qapi/block-core.json
>> @@ -2884,15 +2884,16 @@
>> # @copy-on-read: Since 3.0
>> # @blklogwrites: Since 3.0
>> # @blkreplay: Since 4.2
>> +# @compress: Since 4.2
>
> Are we still trying to get this in 4.2, even though soft freeze is past? Or
> are we going to have to defer it to 5.0 as a new feature?
>
5.0 of course
--
Best regards,
Vladimir