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| author | Peter Xu <peterx@redhat.com> | 2021-09-22 12:20:08 -0400 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2021-11-01 22:56:44 +0100 |
| commit | 60fd680193119e7e4d50eccff7b55a0aadc934ab (patch) | |
| tree | 8cdcfe2d4ca474a7c5c4a499c04357b883043a86 /include/migration/blocker.h | |
| parent | 4c170330aae4a4ed75c3a8638b7d4c5d9f365244 (diff) | |
| download | qemu-60fd680193119e7e4d50eccff7b55a0aadc934ab.zip | |
migration: Add migrate_add_blocker_internal()
An internal version that removes -only-migratable implications. It can be used
for temporary migration blockers like dump-guest-memory.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'include/migration/blocker.h')
| -rw-r--r-- | include/migration/blocker.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/migration/blocker.h b/include/migration/blocker.h index acd27018e9..9cebe2ba06 100644 --- a/include/migration/blocker.h +++ b/include/migration/blocker.h @@ -26,6 +26,22 @@ int migrate_add_blocker(Error *reason, Error **errp); /** + * @migrate_add_blocker_internal - prevent migration from proceeding without + * only-migrate implications + * + * @reason - an error to be returned whenever migration is attempted + * + * @errp - [out] The reason (if any) we cannot block migration right now. + * + * @returns - 0 on success, -EBUSY on failure, with errp set. + * + * Some of the migration blockers can be temporary (e.g., for a few seconds), + * so it shouldn't need to conflict with "-only-migratable". For those cases, + * we can call this function rather than @migrate_add_blocker(). + */ +int migrate_add_blocker_internal(Error *reason, Error **errp); + +/** * @migrate_del_blocker - remove a blocking error from migration * * @reason - the error blocking migration |