It's hard and not necessary to maintain outdated versions of these
commands.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
---
 qemu-deprecated.texi  |  4 ++++
 qapi/block-core.json  |  4 ++++
 qapi/transaction.json |  2 +-
 blockdev.c            | 10 ++++++++++
 4 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/qemu-deprecated.texi b/qemu-deprecated.texi
index fff07bb2a3..2753fafd0b 100644
--- a/qemu-deprecated.texi
+++ b/qemu-deprecated.texi
@@ -179,6 +179,10 @@ and accurate ``query-qmp-schema'' command.
 Character devices creating sockets in client mode should not specify
 the 'wait' field, which is only applicable to sockets in server mode
 
+@subsection drive-mirror, drive-backup and drive-backup transaction action 
(since 4.2)
+
+Use blockdev-mirror and blockdev-backup instead.
+
 @section Human Monitor Protocol (HMP) commands
 
 @subsection The hub_id parameter of 'hostfwd_add' / 'hostfwd_remove' (since 
3.1)
diff --git a/qapi/block-core.json b/qapi/block-core.json
index 0d43d4f37c..4e35526634 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -1635,6 +1635,8 @@
 ##
 # @drive-backup:
 #
+# Command is deprecated, use blockdev-mirror instead.
+#
 # Start a point-in-time copy of a block device to a new destination.  The
 # status of ongoing drive-backup operations can be checked with
 # query-block-jobs where the BlockJobInfo.type field has the value 'backup'.
@@ -1855,6 +1857,8 @@
 ##
 # @drive-mirror:
 #
+# Command is deprecated, use blockdev-mirror instead.
+#
 # Start mirroring a block device's writes to a new destination. target
 # specifies the target of the new image. If the file exists, or if it
 # is a device, it will be used as the new destination for writes. If
diff --git a/qapi/transaction.json b/qapi/transaction.json
index 95edb78227..a16a9ff8a6 100644
--- a/qapi/transaction.json
+++ b/qapi/transaction.json
@@ -53,7 +53,7 @@
 # - @blockdev-snapshot: since 2.5
 # - @blockdev-snapshot-internal-sync: since 1.7
 # - @blockdev-snapshot-sync: since 1.1
-# - @drive-backup: since 1.6
+# - @drive-backup: deprecated action, since 1.6
 #
 # Since: 1.1
 ##
diff --git a/blockdev.c b/blockdev.c
index 4d141e9a1f..36e9368e01 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -1771,6 +1771,9 @@ static void drive_backup_prepare(BlkActionState *common, 
Error **errp)
     AioContext *aio_context;
     Error *local_err = NULL;
 
+    warn_report("drive-backup transaction action is deprecated and will "
+                "disappear in future. Use blockdev-backup action instead");
+
     assert(common->action->type == TRANSACTION_ACTION_KIND_DRIVE_BACKUP);
     backup = common->action->u.drive_backup.data;
 
@@ -3591,6 +3594,10 @@ void qmp_drive_backup(DriveBackup *arg, Error **errp)
 {
 
     BlockJob *job;
+
+    warn_report("drive-backup command is deprecated and will disappear in "
+                "future. Use blockdev-backup instead");
+
     job = do_drive_backup(arg, NULL, errp);
     if (job) {
         job_start(&job->job);
@@ -3831,6 +3838,9 @@ void qmp_drive_mirror(DriveMirror *arg, Error **errp)
     const char *format = arg->format;
     int ret;
 
+    warn_report("drive-mirror command is deprecated and will disappear in "
+                "future. Use blockdev-mirror instead");
+
     bs = qmp_get_root_bs(arg->device, errp);
     if (!bs) {
         return;
-- 
2.18.0


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