migration: remove the QEMUFileOps 'writev_buffer' callback

This directly implements the writev_buffer logic using QIOChannel APIs.

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

1 files changed, 0 insertions, 9 deletions

diff --git a/migration/qemu-file.h b/migration/qemu-file.h
index f7ed568..de3f066 100644
--- a/migration/qemu-file.h
+++ b/migration/qemu-file.h
@@ -30,14 +30,6 @@
 #include "io/channel.h"
 
 /*
- * This function writes an iovec to file. The handler must write all
- * of the data or return a negative errno value.
- */
-typedef ssize_t (QEMUFileWritevBufferFunc)(void *opaque, struct iovec *iov,
-                                           int iovcnt, int64_t pos,
-                                           Error **errp);
-
-/*
  * This function provides hooks around different
  * stages of RAM migration.
  * 'data' is call specific data associated with the 'flags' value
@@ -69,7 +61,6 @@ typedef size_t (QEMURamSaveFunc)(QEMUFile *f,
 typedef QEMUFile *(QEMURetPathFunc)(void *opaque);
 
 typedef struct QEMUFileOps {
-    QEMUFileWritevBufferFunc *writev_buffer;
     QEMURetPathFunc *get_return_path;
 } QEMUFileOps;