multifd: Move iov from pages to params

This will allow us to reduce the number of system calls on the next patch.

Signed-off-by: Juan Quintela <quintela@redhat.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/migration/multifd.h b/migration/multifd.h
index e57adc783b..c3f18af364 100644
--- a/migration/multifd.h
+++ b/migration/multifd.h
@@ -62,8 +62,6 @@ typedef struct {
     uint64_t packet_num;
     /* offset of each page */
     ram_addr_t *offset;
-    /* pointer to each page */
-    struct iovec *iov;
     RAMBlock *block;
 } MultiFDPages_t;
 
@@ -110,6 +108,10 @@ typedef struct {
     uint64_t num_pages;
     /* syncs main thread and channels */
     QemuSemaphore sem_sync;
+    /* buffers to send */
+    struct iovec *iov;
+    /* number of iovs used */
+    uint32_t iovs_num;
     /* used for compression methods */
     void *data;
 }  MultiFDSendParams;
@@ -149,6 +151,8 @@ typedef struct {
     uint64_t num_pages;
     /* syncs main thread and channels */
     QemuSemaphore sem_sync;
+    /* buffers to recv */
+    struct iovec *iov;
     /* used for de-compression methods */
     void *data;
 } MultiFDRecvParams;