migration: Move migrate_use_zero_copy_send() to options.c

Once that we are there, we rename the function to
migrate_zero_copy_send() to be consistent with all other capabilities.

We can remove the CONFIG_LINUX guard.  We already check that we can't
setup this capability in migrate_caps_check().

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>

1 files changed, 1 insertions, 12 deletions

diff --git a/migration/migration.c b/migration/migration.c
index 77ceacc59f..fbb61819ca 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1609,7 +1609,7 @@ static bool migrate_params_check(MigrationParameters *params, Error **errp)
     }
 
 #ifdef CONFIG_LINUX
-    if (migrate_use_zero_copy_send() &&
+    if (migrate_zero_copy_send() &&
         ((params->has_multifd_compression && params->multifd_compression) ||
          (params->tls_creds && *params->tls_creds))) {
         error_setg(errp,
@@ -2595,17 +2595,6 @@ int migrate_multifd_zstd_level(void)
     return s->parameters.multifd_zstd_level;
 }
 
-#ifdef CONFIG_LINUX
-bool migrate_use_zero_copy_send(void)
-{
-    MigrationState *s;
-
-    s = migrate_get_current();
-
-    return s->capabilities[MIGRATION_CAPABILITY_ZERO_COPY_SEND];
-}
-#endif
-
 int migrate_use_tls(void)
 {
     MigrationState *s;