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[RFC,02/12] Add QemuFileWritevBuffer QemuFileOps

Message ID 1363856971-4601-3-git-send-email-owasserm@redhat.com
State New
Headers show

Commit Message

Orit Wasserman March 21, 2013, 9:09 a.m. UTC 
This will allow us to write an iovec

Signed-off-by: Orit Wasserman <owasserm@redhat.com>
---
 include/migration/qemu-file.h | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/include/migration/qemu-file.h b/include/migration/qemu-file.h
index df81261..8d3da9b 100644
--- a/include/migration/qemu-file.h
+++ b/include/migration/qemu-file.h
@@ -51,11 +51,18 @@  typedef int (QEMUFileCloseFunc)(void *opaque);
  */
 typedef int (QEMUFileGetFD)(void *opaque);
 
+/*
+ * This function writes an iovec to file.
+ */
+typedef int (QEMUFileWritevBufferFunc)(void *opaque, struct iovec *iov,
+                                       int iovcnt);
+
 typedef struct QEMUFileOps {
     QEMUFilePutBufferFunc *put_buffer;
     QEMUFileGetBufferFunc *get_buffer;
     QEMUFileCloseFunc *close;
     QEMUFileGetFD *get_fd;
+    QEMUFileWritevBufferFunc *writev_buffer;
 } QEMUFileOps;
 
 QEMUFile *qemu_fopen_ops(void *opaque, const QEMUFileOps *ops);