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migration: Move migrate_allow_multifd and helpers into migration.c

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This variable, along with its helpers, is used to detect whether multiple
channel will be supported for migration.  In follow up patches, there'll be
other capability that requires multi-channels.  Hence move it outside multifd
specific code and make it public.  Meanwhile rename it from "multifd" to
"multi_channels" to show its real meaning.

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20220331150857.74406-5-peterx@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Peter Xu 2022-03-31 11:08:42 -04:00 • committed by Dr. David Alan Gilbert
parent ea2faf0c35
commit f444eeda71
4 changed files with 24 additions and 22 deletions
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3
migration/migration.h
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@ -430,4 +430,7 @@ void migration_cancel(const Error *error);
void populate_vfio_info(MigrationInfo *info);
void postcopy_temp_page_reset(PostcopyTmpPage *tmp_page);
bool migrate_multi_channels_is_allowed(void);
void migrate_protocol_allow_multi_channels(bool allow);
#endif