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Re: [Qemu-devel] [PATCH RFC v2 7/8] migration: add dirty parameter


From: Vladimir Sementsov-Ogievskiy
Subject: Re: [Qemu-devel] [PATCH RFC v2 7/8] migration: add dirty parameter
Date: Wed, 4 Feb 2015 17:42:16 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0

On 27.01.2015 19:20, Eric Blake wrote:
On 01/27/2015 03:56 AM, Vladimir Sementsov-Ogievskiy wrote:
Add dirty parameter to qmp-migrate command. If this parameter is true,
migration/block.c will migrate dirty bitmaps. This parameter can be used
without "blk" parameter to migrate only dirty bitmaps, skipping block
migration.

Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
---
+++ b/qapi-schema.json
@@ -1656,12 +1656,17 @@
  # @detach: this argument exists only for compatibility reasons and
  #          is ignored by QEMU
  #
+# @dirty: #optional do dirty-bitmaps migration (can be used with or without
+#         @blk parameter)
+#         (since 2.3)
Rather than adding it to 'migrate', where the command is not
introspectible, I'd rather you add it to 'migrate-set-capabilities',
where I can then use 'query-migrate-capabilities' to learn if it is
supported.

Thank you. Moreover, it is turned out to be a simpler way than with migration parameter. I've done the change, it will be in v3. I'm just waiting for review of the core part of the series - migration/dirty-bitmap.c

--
Best regards,
Vladimir




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