[Qemu-devel] [PATCH] migration: Fix rate limiting issue on RDMA migration

[Lidong Chen]

RDMA migration implement save_page function for QEMUFile, but
ram_control_save_page do not increase bytes_xfer. So when doing
RDMA migration, it will use whole bandwidth.

Signed-off-by: Lidong Chen <address@hidden>
---
 migration/qemu-file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/migration/qemu-file.c b/migration/qemu-file.c
index 2ab2bf3..217609d 100644
--- a/migration/qemu-file.c
+++ b/migration/qemu-file.c
@@ -253,7 +253,7 @@ size_t ram_control_save_page(QEMUFile *f, ram_addr_t 
block_offset,
     if (f->hooks && f->hooks->save_page) {
         int ret = f->hooks->save_page(f, f->opaque, block_offset,
                                       offset, size, bytes_sent);
-
+        f->bytes_xfer += size;
         if (ret != RAM_SAVE_CONTROL_DELAYED) {
             if (bytes_sent && *bytes_sent > 0) {
                 qemu_update_position(f, *bytes_sent);
-- 
1.8.3.1