commit 481debaa3270fb276dcf27205aa27ad52cc34590
author Max Reitz <mreitz@redhat.com> Wed Jun 13 20:18:22 2018 +0200
committer Max Reitz <mreitz@redhat.com> Mon Jun 18 17:05:16 2018 +0200
tree 828a046f1ff2088a9dc9e8e1dced5fe700e30a5c
parent d06107ade0ce74dc39739bac80de84b51ec18546

block/mirror: Add copy mode QAPI interface

This patch allows the user to specify whether to use active or only
background mode for mirror block jobs.  Currently, this setting will
remain constant for the duration of the entire block job.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-id: 20180613181823.13618-14-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>

blockdev.c

diff --git a/blockdev.c b/blockdev.c
index 7f65cd7..58d7570 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -3586,6 +3586,7 @@
                                    bool has_unmap, bool unmap,
                                    bool has_filter_node_name,
                                    const char *filter_node_name,
+                                   bool has_copy_mode, MirrorCopyMode copy_mode,
                                    Error **errp)
 {
 
@@ -3610,6 +3611,9 @@
     if (!has_filter_node_name) {
         filter_node_name = NULL;
     }
+    if (!has_copy_mode) {
+        copy_mode = MIRROR_COPY_MODE_BACKGROUND;
+    }
 
     if (granularity != 0 && (granularity < 512 || granularity > 1048576 * 64)) {
         error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "granularity",
@@ -3640,7 +3644,7 @@
                  has_replaces ? replaces : NULL,
                  speed, granularity, buf_size, sync, backing_mode,
                  on_source_error, on_target_error, unmap, filter_node_name,
-                 errp);
+                 copy_mode, errp);
 }
 
 void qmp_drive_mirror(DriveMirror *arg, Error **errp)
@@ -3786,6 +3790,7 @@
                            arg->has_on_target_error, arg->on_target_error,
                            arg->has_unmap, arg->unmap,
                            false, NULL,
+                           arg->has_copy_mode, arg->copy_mode,
                            &local_err);
     bdrv_unref(target_bs);
     error_propagate(errp, local_err);
@@ -3806,6 +3811,7 @@
                          BlockdevOnError on_target_error,
                          bool has_filter_node_name,
                          const char *filter_node_name,
+                         bool has_copy_mode, MirrorCopyMode copy_mode,
                          Error **errp)
 {
     BlockDriverState *bs;
@@ -3838,6 +3844,7 @@
                            has_on_target_error, on_target_error,
                            true, true,
                            has_filter_node_name, filter_node_name,
+                           has_copy_mode, copy_mode,
                            &local_err);
     error_propagate(errp, local_err);