migration: rename qemu_ftell to qemu_file_total_transferred

The name 'ftell' gives the misleading impression that the QEMUFile
objects are seekable. This is not the case, as in general we just
have an opaque stream. The users of this method are only interested
in the total bytes processed. This switches to a new name that
reflects the intended usage.

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>
   dgilbert: Wrapped long line

1 files changed, 5 insertions, 5 deletions

diff --git a/migration/block.c b/migration/block.c
index 077a413..823453c 100644
--- a/migration/block.c
+++ b/migration/block.c
@@ -756,8 +756,8 @@ static int block_save_setup(QEMUFile *f, void *opaque)
 static int block_save_iterate(QEMUFile *f, void *opaque)
 {
     int ret;
-    int64_t last_ftell = qemu_ftell(f);
-    int64_t delta_ftell;
+    int64_t last_bytes = qemu_file_total_transferred(f);
+    int64_t delta_bytes;
 
     trace_migration_block_save("iterate", block_mig_state.submitted,
                                block_mig_state.transferred);
@@ -809,10 +809,10 @@ static int block_save_iterate(QEMUFile *f, void *opaque)
     }
 
     qemu_put_be64(f, BLK_MIG_FLAG_EOS);
-    delta_ftell = qemu_ftell(f) - last_ftell;
-    if (delta_ftell > 0) {
+    delta_bytes = qemu_file_total_transferred(f) - last_bytes;
+    if (delta_bytes > 0) {
         return 1;
-    } else if (delta_ftell < 0) {
+    } else if (delta_bytes < 0) {
         return -1;
     } else {
         return 0;