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From: Juan Quintela <quintela@redhat.com>
To: Markus Armbruster <armbru@redhat.com>
Cc: "Laurent Vivier" <lvivier@redhat.com>,
	"Thomas Huth" <thuth@redhat.com>,
	"Daniel P. Berrangé" <berrange@redhat.com>,
	"Eduardo Habkost" <ehabkost@redhat.com>,
	qemu-devel@nongnu.org,
	"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>
Subject: Re: [PATCH v5 4/8] multifd: Add multifd-zlib-level parameter
Date: Thu, 30 Jan 2020 09:56:54 +0100	[thread overview]
Message-ID: <871rrhz5ih.fsf@secure.laptop> (raw)
In-Reply-To: <87eevhxtfv.fsf@dusky.pond.sub.org> (Markus Armbruster's message of "Thu, 30 Jan 2020 09:03:00 +0100")

Markus Armbruster <armbru@redhat.com> wrote:
> Juan Quintela <quintela@redhat.com> writes:
>
>> It will indicate which level use for compression.
>>
>> Signed-off-by: Juan Quintela <quintela@redhat.com>
>
> This is slightly confusing (there is no zlib compression), unless you
> peek at the next patch (which adds zlib compression).
>
> Three ways to make it less confusing:
>
> * Squash the two commits

As a QAPI begginer, I feel it easier to put it in a different patch.  It
makes it also easier to add other parameters, just copy whatewer is here.

> * Swap them: first add zlib compression with level hardcoded to 1, then
>   make the level configurable.

That could work.

> * Have the first commit explain itself better.  Something like
>
>     multifd: Add multifd-zlib-level parameter
>
>     This parameter specifies zlib compression level.  The next patch
>     will put it to use.

Will take this approach.
The reason that I put the qapi bits first is that I *know* how to do
them.  Once that I got approval for how to add one parameter, I add the
rest exactly the same.

For the rest of the patch, it needs to be developed, and normally needs
more iterations.

>
> For QAPI:
> Acked-by: Markus Armbruster <armbru@redhat.com>

Thanks very much.

Later, Juan.



  reply	other threads:[~2020-01-30  8:57 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-29 11:56 [PATCH v5 0/8] Multifd Migration Compression Juan Quintela
2020-01-29 11:56 ` [PATCH v5 1/8] multifd: Add multifd-method parameter Juan Quintela
2020-01-30  7:54   ` Markus Armbruster
2020-01-30  9:11     ` Juan Quintela
2020-01-30 12:17       ` Markus Armbruster
2020-02-11 18:50   ` Daniel P. Berrangé
2020-02-13 19:29     ` Juan Quintela
2020-01-29 11:56 ` [PATCH v5 2/8] migration: Add support for modules Juan Quintela
2020-02-11 10:54   ` Dr. David Alan Gilbert
2020-02-13 19:38     ` Juan Quintela
2020-01-29 11:56 ` [PATCH v5 3/8] multifd: Make no compression operations into its own structure Juan Quintela
2020-02-07 18:45   ` Dr. David Alan Gilbert
2020-02-11 11:23     ` Juan Quintela
2020-01-29 11:56 ` [PATCH v5 4/8] multifd: Add multifd-zlib-level parameter Juan Quintela
2020-01-30  8:03   ` Markus Armbruster
2020-01-30  8:56     ` Juan Quintela [this message]
2020-02-11 18:57     ` Daniel P. Berrangé
2020-02-13 13:27       ` Markus Armbruster
2020-02-13 16:33       ` Juan Quintela
2020-01-29 11:56 ` [PATCH v5 5/8] multifd: Add zlib compression multifd support Juan Quintela
2020-01-30  8:04   ` Markus Armbruster
2020-02-11 18:43   ` Dr. David Alan Gilbert
2020-02-13 20:24     ` Juan Quintela
2020-01-29 11:56 ` [PATCH v5 6/8] configure: Enable test and libs for zstd Juan Quintela
2020-02-11 20:11   ` Daniel P. Berrangé
2020-02-13 21:08     ` Juan Quintela
2020-02-14 10:26       ` Daniel P. Berrangé
2020-01-29 11:56 ` [PATCH v5 7/8] multifd: Add multifd-zstd-level parameter Juan Quintela
2020-01-30  8:08   ` Markus Armbruster
2020-02-11 18:47   ` Dr. David Alan Gilbert
2020-02-13 14:04     ` Markus Armbruster
2020-02-13 14:28       ` Dr. David Alan Gilbert
2020-02-13 15:33       ` Juan Quintela
2020-02-14  8:49         ` Markus Armbruster
2020-02-14 18:50           ` Dr. David Alan Gilbert
2020-01-29 11:56 ` [PATCH v5 8/8] multifd: Add zstd compression multifd support Juan Quintela
2020-01-30  8:08   ` Markus Armbruster
2020-02-11 20:01   ` Dr. David Alan Gilbert
2020-02-13 20:39     ` Juan Quintela

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