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migration: rename max_size to threshold_size

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In migration codes (especially in migration_thread()), max_size is used
in many place for the threshold value that we will start to do the final
flush and jump to the next stage to dump the whole rest things to
destination. However its name is confusing to first readers. Let's
rename it to "threshold_size" when proper and add a comment for it. No
functional change is made.

CC: Juan Quintela <quintela@redhat.com>
CC: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Peter Xu 2017-04-01 16:18:43 +08:00 • committed by Juan Quintela
parent 343001f68d
commit faec066ab8
3 changed files with 17 additions and 11 deletions
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4
migration/savevm.c
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@ -1197,7 +1197,7 @@ void qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only)
* the result is split into the amount for units that can and
* for units that can't do postcopy.
*/
void qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size,
void qemu_savevm_state_pending(QEMUFile *f, uint64_t threshold_size,
uint64_t *res_non_postcopiable,
uint64_t *res_postcopiable)
{
@ -1216,7 +1216,7 @@ void qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size,
continue;
}
}
se->ops->save_live_pending(f, se->opaque, max_size,
se->ops->save_live_pending(f, se->opaque, threshold_size,
res_non_postcopiable, res_postcopiable);
}
}