[PATCH v2 2/5] migration: migrate 'inc' command option is deprecated.
Set the 'block_incremental' migration parameter to 'true' instead.
Signed-off-by: Juan Quintela <quintela(a)redhat.com>
---
docs/about/deprecated.rst | 7 +++++++
qapi/migration.json | 12 ++++++++++--
migration/migration.c | 6 ++++++
3 files changed, 23 insertions(+), 2 deletions(-)
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index e1aa0eafc8..cc0001041f 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -433,3 +433,10 @@ Migration
``skipped`` field in Migration stats has been deprecated. It hasn't
been used for more than 10 years.
+``inc`` migrate command option (since 8.1)
+''''''''''''''''''''''''''''''''''''''''''
+
+The new way to modify migration is using migration parameters.
+``inc`` functionality can be achieved by setting the
+``block-incremental`` migration parameter to ``true``.
+
diff --git a/qapi/migration.json b/qapi/migration.json
index ad8cc57071..8b30f748ef 100644
--- a/qapi/migration.json
+++ b/qapi/migration.json
@@ -1479,13 +1479,20 @@
#
# @blk: do block migration (full disk copy)
#
-# @inc: incremental disk copy migration
+# @inc: incremental disk copy migration. This option is deprecated.
+# Set the 'block-incremetantal' migration parameter to 'true'
+# instead.
#
# @detach: this argument exists only for compatibility reasons and is
# ignored by QEMU
#
# @resume: resume one paused migration, default "off". (since 3.0)
#
+# Features:
+#
+# @deprecated: option @inc should be enabled by setting the
+# 'block-incremental' migration parameter to 'true'.
+#
# Returns: nothing on success
#
# Since: 0.14
@@ -1507,7 +1514,8 @@
# <- { "return": {} }
##
{ 'command': 'migrate',
- 'data': {'uri': 'str', '*blk': 'bool',
'*inc': 'bool',
+ 'data': {'uri': 'str', '*blk': 'bool',
+ '*inc': { 'type': 'bool', 'features':
['deprecated'] },
'*detach': 'bool', '*resume': 'bool' } }
##
diff --git a/migration/migration.c b/migration/migration.c
index 7a4ba2e846..abc40e6ef6 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1557,6 +1557,12 @@ static bool migrate_prepare(MigrationState *s, bool blk, bool
blk_inc,
{
Error *local_err = NULL;
+ if (blk_inc) {
+ warn_report("-inc migrate option is deprecated, set the "
+ "'block-incremental' migration parameter to
'true'"
+ " instead.");
+ }
+
if (resume) {
if (s->state != MIGRATION_STATUS_POSTCOPY_PAUSED) {
error_setg(errp, "Cannot resume if there is no "
--
2.40.1