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, 4 insertions, 4 deletions

diff --git a/migration/multifd.c b/migration/multifd.c
index 6807328..cce3ad6 100644
--- a/migration/multifd.c
+++ b/migration/multifd.c
@@ -25,7 +25,7 @@
 #include "trace.h"
 #include "multifd.h"
 #include "threadinfo.h"
-
+#include "options.h"
 #include "qemu/yank.h"
 #include "io/channel-socket.h"
 #include "yank_functions.h"
@@ -608,7 +608,7 @@ int multifd_send_sync_main(QEMUFile *f)
      * all the dirty bitmaps.
      */
 
-    flush_zero_copy = migrate_use_zero_copy_send();
+    flush_zero_copy = migrate_zero_copy_send();
 
     for (i = 0; i < migrate_multifd_channels(); i++) {
         MultiFDSendParams *p = &multifd_send_state->params[i];
@@ -653,7 +653,7 @@ static void *multifd_send_thread(void *opaque)
     MigrationThread *thread = NULL;
     Error *local_err = NULL;
     int ret = 0;
-    bool use_zero_copy_send = migrate_use_zero_copy_send();
+    bool use_zero_copy_send = migrate_zero_copy_send();
 
     thread = MigrationThreadAdd(p->name, qemu_get_thread_id());
 
@@ -945,7 +945,7 @@ int multifd_save_setup(Error **errp)
         p->page_size = qemu_target_page_size();
         p->page_count = page_count;
 
-        if (migrate_use_zero_copy_send()) {
+        if (migrate_zero_copy_send()) {
             p->write_flags = QIO_CHANNEL_WRITE_FLAG_ZERO_COPY;
         } else {
             p->write_flags = 0;